4_last

名师金典八下科学答案【篇一：(超经典)新人教版八年级下数学期末复习资料(名师全力推荐)】ass=txt>◆考点1．分式与整式的区分分式：分母中含有字母的式子；整式：不含分母或分母中不含字母。

考题：下列各式中分式有，①13；②a?2；③a?1b；④1?；⑤aa?b。

易错题：式子a2a和x2?1x?1是式（填“分”或“整”）。

◆考点2．分式的意义和取值范围分式有意义?分母≠0；分式没有意义?分母＝0。

考题：1、当x=时，分式1x没有意义； 2、下列函数的自变量x的取值范围：y?1x?3；；(x?3)?1y?x?3；y?x；易错题：下列各分式一定有意义的是（）a．1x2b．1x?1c．1x2d．1x2?1?1请再写出一个一定有意义的分式（要求与上述各式形式不同）◆考点3．分式的值为零分式的值为0?ab?0;(a?0且b?0）1、若x?3x?3的值为零，则x的值是。

2、若|x|?3(x?1)(x?3)的值为零，则x的值是。

◆考点4．约分注意点：当分子、分母是多项式时，要先因式分解后约分。

1、化简a2?2aa=；2xx?11?xx?1=；2、化简x2?6x?92x?6=。

◆考点5．分式中，各个字母都扩大相同倍数，判断分式的值的变化情况下列分式中的x，y均扩大3倍，请填写分式的值时扩大或缩小几倍。

（可以特殊值）考题：1、分式3x?yx?y，则分式的值。

2、分式xyx?y，则分式的值。

3、分式x?y8x?3y，则分式的值。

4、分式x?y2xy，则分式的值。

◆考点6．将分子、分母中的负系数化为正数，分（小）数系数化为整数注意点：考虑分子、分母的整体乘以一个数，因此相乘前添括号。

考题：下列变形正确的有，①?b?a?ba；②b?a?a??a?baa?；③13b?a?2b3a?b12；④?a?b?a?b?a?ba?ba?b◆考点7．增根的识别与处理识别：能使“分母=0”的未知数的值；处理：①确定增根的值；②原方程去分母；③增根值代入整式方程考题：1、方程xx?3?2?m?16?2x有增根，则增根为x= ，常数m= 。

提取后四位的函数在Python中，我们经常需要从字符串中提取一部分内容。

例如，我们可能需要从一个电话号码中提取区号，或者从一个日期中提取年份。

在这些情况下，我们可以使用Python中的字符串切片来提取所需的部分。

但是，如果我们只需要提取字符串的最后几个字符，使用切片可能会变得有些繁琐。

在这种情况下，我们可以使用Python中提取后四位的函数。

Python中提取后四位的函数非常简单，只需要使用字符串的切片功能即可。

具体来说，我们可以使用以下代码来提取字符串的最后四个字符：```pythonstring = "Hello World"last_four = string[-4:]print(last_four)```在这个例子中，我们首先定义了一个字符串变量string，它包含了一个简单的字符串"Hello World"。

然后，我们使用切片操作符[-4:]来提取字符串的最后四个字符。

最后，我们将结果打印出来，输出为"orld"。

需要注意的是，如果字符串的长度小于四个字符，那么这个函数将返回整个字符串。

例如，如果我们使用以下代码：```pythonstring = "Hi"last_four = string[-4:]print(last_four)```那么输出将为"Hi"，因为这个字符串只有两个字符，无法提取四个字符。

除了使用切片操作符，我们还可以使用Python中的字符串方法来提取字符串的最后四个字符。

例如，我们可以使用以下代码来实现相同的功能：```pythonstring = "Hello World"last_four = string[-4:]print(last_four)```在这个例子中，我们首先定义了一个字符串变量string，它包含了一个简单的字符串"Hello World"。

小学英语PEP人教版三年级下册《Unit_3_last_weekend》教案4一. 教材分析《PEP人教版小学英语三年级下册Unit 3 Last weekend》主要讲述了学生们在上周末所做的事情。

通过本节课的学习，学生们将能够掌握一般过去时的表达方式，以及如何用英语询问和描述别人上周末的活动。

教材通过图片和对话的形式，让学生们在实践中学习和运用英语。

二. 学情分析三年级的学生已经掌握了基本的英语语法和词汇，具备一定的听说读写能力。

但是，对于一般过去时的表达和运用还比较陌生。

因此，在教学过程中，需要通过实例和实践活动，让学生们充分理解和掌握一般过去时的表达方式。

三. 教学目标1.知识目标：让学生掌握一般过去时的表达方式，能够用英语询问和描述别人上周末的活动。

2.能力目标：提高学生的听说读写能力，培养学生的英语思维和跨文化交际能力。

3.情感目标：激发学生学习英语的兴趣，培养学生的合作意识和团队精神。

四. 教学重难点1.重点：一般过去时的表达方式。

2.难点：如何用英语询问和描述别人上周末的活动。

五. 教学方法采用任务型教学法、情境教学法和交际教学法，通过图片、对话、游戏、角色扮演等多种形式，激发学生的学习兴趣，提高学生的听说读写能力。

六. 教学准备1.教学课件：包括图片、对话、游戏等教学资源。

2.教学道具：卡片、图片等。

3.教学场地：教室。

七. 教学过程1.导入（5分钟）通过提问方式引导学生回顾上一节课所学内容，激发学生的学习兴趣。

例如：“同学们，上节课我们学习了关于动物的单词，你们还记得哪些动物吗？”2.呈现（10分钟）展示教材中的图片和对话，让学生感知和理解一般过去时的表达方式。

例如：“Look at the pictures, can you guess what the students did last weekend?”3.操练（15分钟）通过小组活动，让学生们互相询问并描述上周末的活动。

《深⼊理解计算机系统》第三版第三章家庭作业答案简述相信⼤部分⼈在做这些题的时候，因为书中没有给答案，⽽去⽹上找参考答案，⽐如那些⾼阅读量的博客和git 。

当然，我也是这样，但他们的答案中还是有好多错误，⽐如3.59他们⼏乎都没讲清楚提⽰中的公式怎么来的，3.60中对移位操作中对%cl 的读取，等等。

希望读者们在阅读这些⽂章时，要带着⾃⼰的思想和疑问去理解，⽽不是⼀味地觉得答案就肯定是对的，当然，本⽂有任何错误，也欢迎各位指出。

3.58long decode2(long x,long y,long z){y = y - z;x = x * y;y <<= 63;y >>= 63;return y ^ x;}y 先左移63位，再右移63位，如果之前y 是奇数，那么y 的⼆进制全是1；y 是偶数，那么y 的⼆进制全是0.3.59⾸先讲解⼀下，提⽰⾥的公式x =264∗x h +x l x =264∗xh +xl ，之所以可以这么写是因为符号拓展，以4位⼆进制int 为例：1111的补码数，为-1.将其进⾏符号拓展后为1111 1111，其值也为-1，但这⾥可以将1111 1111写为⾼位1111的补码数 * 2424 + 低位1111的⽆符号数：即-1 * 2424 + 15 = -1.原理：%rdx 和%rax 的⼆进制连起来表⽰这个数，既然连起来了，符号位就跑到了%rdx 的最⾼位了，除符号位权值为负外，其余位的权值均为正。

所以，⾼位寄存器%rdx 当做补码数，低位寄存器%rax 当做⽆符号数。

因为符号位现在在⾼位寄存器那⼉呢，所以⾼位寄存器当做补码数了；⽽低位寄存器的每⼀位的权值现在都是正的了，所以低位寄存器要当做⽆符号数。

所以x l xl 为T 2U (x )T2U(x)即x 的⼆进制表⽰作为⽆符号数。

x l xl 与x x 有相同的位级表⽰。

x h xh ，当原数符号位为1，64位⼆进制位上全为1，其值为-1；当原数符号位为0时，64位⼆进制位上全为0，其值为0。

填空题写出下列单词的过去式。

1.have _________2.sing _________3.see _________4.go _________5.eat _________【答案】had sang saw went ate【解析】1. have有，过去式是不规则变化，had，故答案为had。

2.sing唱歌，过去式是不规则变化，sang，故答案为sang。

3.see看到，过去式是不规则变化，saw，故答案为saw。

4. go去，过去式是不规则变化，went，故答案为went。

5. .eat吃，过去式是不规则变化，ate，故答案为ate。

填空题写出下列单词的过去式。

1.drink _________2.dance _________3.listen _________4.has _________5.make _________【答案】drank danced listened had made【解析】1. drink喝，过去式是不规则变化，drank，故答案为drank。

2. dance跳舞，过去式是规则变化，在后面加ed，danced，故答案为danced。

3. listen听，过去式是规则变化，在后面加ed，listened，故答案为listened。

4. has有，过去式是不规则变化，had，故答案为had。

5. make制做，过去式是不规则变化，made，故答案为made。

翻译英译汉。

1.play game _____________________2.sing a song_____________________3.have a picnic_____________________st Sunday_____________________5.eat some food_____________________【答案】做游戏唱歌野餐上个星期天吃一些食物【解析】1. play 玩，game游戏，故答案为做游戏。

人教版PEP六年级英语下册Units 1~2 综合复习时间：60分钟满分：100分听力部分(40分)一、听录音，选出你所听到的单词。

听两遍。

(10分)( )1. A. metre B. kilogram C. dinosaur( )2. A. smarter B. stronger C. smaller( )3. A. better B. faster C. thinner( )4. A. cleaned B. clothes C. countryside( )5. A. broken B. enjoy C. hotel二、听录音，选出与你所听内容相符的图片。

听两遍。

(10分)( )1.( )2.( )3.( )4.( )5.三、听录音，选出正确的答语。

听两遍。

(10分)( )1. A. I’m 1.48 metres. B. I’m 48 kilograms.C. I’m 14 years old.( )2. A. Yes, I did. B. No, I don’t. C. Yes, I can. ( )3. A. It is OK. B. It was good. C. They were interesting! ( )4. A. I wear size 35 shoes. B. Tom’s feet are bigger than mine.C. Tom is older than me.( )5. A. He did his homework. B. I cleaned my room.C. She washed her clothes.四、听录音，选出正确的答案。

听两遍。

(10分)( )1. I ________ last Sunday.A. went to the parkB. saw a filmC. went to the zoo ( )2. The ________were very cute. My sister liked them very much.A. monkeysB. elephantsC. pandas ( )3. The elephants were ________ than the giraffes.A. tallerB. shorterC. thinner ( )4. ________ took many pictures of the animals.A. IB. My fatherC. My sister ( )5. We went home at ________ o’clock.A. threeB. fourC. five笔试部分(60分)五、选出下列每组单词中不同类的一项。

last_day sql函数用法摘要：1.SQL 函数的基本概念st_day 函数的定义和用途st_day 函数的语法和参数st_day 函数的示例和应用st_day 函数与其他日期函数的比较正文：1.SQL 函数的基本概念SQL（Structured Query Language，结构化查询语言）是一种用于管理关系型数据库的编程语言。

在SQL 中，函数是一种可以对数据进行操作和处理的工具，它们允许用户在查询过程中对数据进行计算、转换和过滤。

st_day 函数的定义和用途last_day 函数是SQL 中的一种日期函数，用于返回某个日期的最后一天。

这个函数通常用于计算某个时间段的最后一天，以便进行数据分析和统计。

st_day 函数的语法和参数last_day 函数的语法如下：```last_day(date)```其中，date 参数表示需要计算最后一天的日期。

这个日期可以是具体的年月日，也可以是日期间隔（如个月、周等）。

st_day 函数的示例和应用下面是一个使用last_day 函数的示例：```sqlSELECT last_day("2021-08-31")```这个查询会返回2021 年8 月的最后一天，即2021 年8 月31 日。

last_day 函数还可以用于计算某个时间段的最后一天。

例如，如果我们想要计算从某个起始日期到当前的最后一天，可以使用以下查询：```sqlSELECT last_day(date_add(start_date, interval (current_date -start_date) % (24 * 60 * 60 * 1000))) as last_day```其中，start_date 表示起始日期，current_date 表示当前日期。

这个查询会计算从start_date 到current_date 之间的最后一天。

st_day 函数与其他日期函数的比较last_day 函数与其他日期函数（如dayofmonth、dayofyear 等）有所不同，它返回的是某个日期的最后一天。

linux 审计命令摘要：1.Linux审计命令简介2.审计命令的使用方法3.审计命令的实例应用4.总结正文：Linux审计命令是在Linux系统中，用于管理和监控系统活动的一种命令。

它们可以帮助管理员了解系统上发生的事件，识别异常行为，并采取必要的措施。

在本文中，我们将介绍一些常用的审计命令，并探讨如何使用它们来加强Linux系统的安全性。

一、Linux审计命令简介在Linux系统中，审计命令主要用于收集、存储和查询系统活动信息。

这些命令可以让管理员实时监控系统，以便在发生问题时迅速采取措施。

常见的审计命令包括：1.dmesg：显示系统内核缓冲区的消息2.tail：实时查看日志文件内容3.grep：在文件中搜索指定的字符串st：查看用户登录历史记录5.acct：监控系统资源使用情况二、审计命令的使用方法以下是使用这些审计命令的基本方法：1.dmesg：使用`dmesg`命令可以查看系统内核缓冲区的消息。

例如，要查看所有内核消息，可以使用`dmesg -a`命令。

要仅查看特定类型的消息，可以使用`dmesg -c`（CPU状态消息）或`dmesg -w`（内核警告消息）等选项。

2.tail：使用`tail`命令可以实时查看日志文件的内容。

例如，要实时查看名为`syslog`的日志文件内容，可以使用`tail -f syslog`命令。

要查看文件的最后几行，可以使用`tail -n 5 filename`命令。

3.grep：使用`grep`命令可以在文件中搜索指定的字符串。

例如，要在名为`syslog`的日志文件中搜索包含“error”的行，可以使用`grep -i error syslog`命令。

`-i`选项表示忽略大小写。

st：使用`last`命令可以查看用户登录历史记录。

例如，要查看所有用户的登录记录，可以使用`last -a`命令。

要查看特定用户的登录记录，可以使用`last -u username`命令。

Unit 4 Last Weekend Lesson 1同步练习一、将下列单词抄写两遍并在括号里写出其中文意思。

1.weekend （）2.clean （）3.wash （）4.play （）二、在横线部分填写适当的词汇或短语。

1. What ________ you do last weekend?2. I _______ the living room.3. I _______ a hill.4. I ___________ chess.5. I ________ clothes.三、为下列句子选择相应的答语。

（）1. What did you do last weekend?（）2. Did you cleaned the living room?（）3. Was it fun?（）4. What about she?A. I climbed the hill.B. Yes, I did.C. She washed clothes.D. Yes, it was.四、读句子，将下列句子连成一段完整的对话。

( ) Was it fun?( ) No, it wasn’t.( ) I stayed at home.( ) What did you do last weekend?五、将下列单词补充完整。

1. p__ano2. g__me3. danc__4. liste__答案：一、1. 周末2. 打扫3. 洗 4. 玩二、1. did 2. cleaned 3. climbed 4. played 5. washed三、1. A 2. B 3. D 4. C四、3 4 2 1五、1. i 2. a 3. e 4. nUnit 4 Last Weekend Lesson 1同步练习一、写出相应的英语单词1. 擦窗子__________2. 看电视__________3. 爬山__________4. 看望祖父母__________5. 跳舞__________6. 跳绳__________二、翻译下列句子1. 你上周末干什么了？___________________________________________________2. 我看望了我的祖父母。

人教版小学4年级上册英语真题(答案及解析)(共50道题)下面有答案和解题分析一、综合题1.Next summer, my family __________ (1) to travel to the beach. We __________ (2) to stay in a small hotel near the sea. I __________ (3) to swim in the ocean and__________ (4) sandcastles. My brother __________ (5) to play beach volleyball, and we __________ (6) to enjoy the summer holiday together.2.Tom is at home doing his homework. He sits at his __________ (1) and opens his__________ (2) to start writing. He needs to finish a __________ (3) on animals. After he finishes the homework, he will read a __________ (4) about space. Tom loves to__________ (5) and learn new things.3.She _______ (draw) a picture.st month, I _______ (join) a drawing competition. I _______ (spend) a lot of time practicing my drawing skills. On the day of the competition, I _______ (feel) nervous, but I _______ (do) my best. In the end, I _______ (win) second place!5.We ________ (go/goes) to school by bus every day.6.Every morning, I _______ (wake) up at 7 o’cl ock. After I _______ (brush) my teeth and _______ (get) dressed, I _______ (eat) breakfast. My mom usually _______ (make) pancakes for me. After breakfast, I _______ (go) to school by bus. At school, we_______ (study) English and math. I always _______ (enjoy) school.7.I _______ (watch) TV right now.8.They _______ (not/understand) the lesson.st week, we __________ (have) a school sports day. We __________ (run) races, __________ (jump) in long jumps, and __________ (throw) balls. I __________ (win) second place in the race! After the games, we __________ (eat) ice cream to celebrate. It __________ (be) a fun day.10.They _______ to the zoo every summer.11.Lily is visiting her grandmother for the weekend. They are going to the __________ to pick some __________. Lily loves helping her grandmother in the garden. After picking the fruits, they will make a delicious __________ to share with the family. Lily’sgrandma also has a beautiful __________ that attracts many birds. They will spend the rest of the afternoon sitting in the garden, enjoying the __________.12.Olivia is going on a trip with her family. They are going to a __________ by the mountains. Olivia loves nature, and she is excited to see the __________ and the__________. On the way, they pass a __________ with a beautiful view of the__________. Olivia hopes to hike up the mountain and take pictures of the __________.13.Which of these is used to measure time?A. ClockB. SpoonC. ForkD. Knife14.My father _______ (work) in a hospital.15.Which of these is a day of the week?A. DecemberB. MondayC. SummerD. Friday16.What do you use to write?A. PencilB. SpoonC. PlateD. Fork17.He _______ (eat) breakfast at 7 a.m.st summer, my family __________ (travel) to the beach. We __________ (swim) in the sea and __________ (build) sandcastles. I __________ (collect) seashells, and my brother __________ (surf). It __________ (be) a perfect holiday, and we __________ (take) many photos.19.She _______ (read/reads) books in the evening.20.At the weekend, we _______ (go) to the zoo with our family. We saw many animals, including elephants, giraffes, and zebras.21.Which of these is a mammal?A. FishB. DogC. BirdD. Lizard22.My brother and I _______ (wake) up early last Saturday because we _______ (want) to go fishing. We _______ (pack) our bags with snacks, drinks, and fishing rods. Afterwe _______ (arrive) at the lake, we _______ (set) up our fishing equipment and _______ (wait) for fish to bite. It _______ (be) a quiet and relaxing day.23.He _______ (is / are / am) playing a game now.24.Which of these is a shape?A. TableB. CircleC. DogD. Chair25.He _______ (study) for the test now.26.In my house, we __________ (1) a big living room and two small bedrooms. The kitchen __________ (2) on the left side of the house, and the bathroom __________ (3) next to the kitchen. My bedroom __________ (4) a bed, a desk, and a chair. There__________ (5) also a big window in my room. I __________ (6) like my room because it is very cozy.27.What is the opposite of "hot"?A. coldB. warmC. largeD. dry28.I _______ (not/know) the answer.29.Which of these is a tool for cleaning?A. BroomB. PlateC. KnifeD. Chair30.We _______ (not/see) the movie last night.31.What do you use to clean your floor?A. BroomB. PlateC. SpoonD. Chair32.What do you do if you are thirsty?A. Eat a sandwichB. Drink a glass of waterC. Play a gameD. Take a nap33.They _______ (visit) the museum next week.34.They _______ (go / goes / went) to the beach in summer.35.We __________ (not, go) to the beach last summer because it __________ (rain) every day. Instead, we __________ (stay) at home and __________ (watch) movies. I__________ (hope) the weather __________ (be) better next year, so we __________ (plan) another trip to the beach.36.We are going on a school field trip tomorrow. We will visit the __ to learn about different types of __. The guide will explain how __ live in the wild and how they are protected. After the tour, we will have a picnic near a __.37.Which one is an animal?A. CarB. ElephantC. BookD. Table38.They _______ (not/have) any pets.39.I __________ (like) to play video games, but my parents __________ (prefer) that I __________ (do) other activities. Yesterday, my dad __________ (ask) me to help himwith the garden. We __________ (plant) some flowers and __________ (water) the plants. After working in the garden, I __________ (feel) tired but happy. Later, I__________ (play) my favorite game for a while.40.They _______ (eat) lunch in the classroom.41.Which of these is the opposite of "high"?A. LowB. TallC. SmallD. Heavy42.Which of these animals is famous for being slow?A. DogB. RabbitC. TurtleD. Cat43.It is a beautiful day, and Max is going to the __________ (1) with his mom. They will watch the __________ (2) and enjoy some __________ (3). Max’s favorite part of the movie is the __________ (4) scene. After the movie, they will have dinner at a__________ (5).44.Which of these is an animal that lives in water?A. TigerB. FishC. BirdD. Dog45.I _______ (want) to go to the zoo.46.How many days are in a week?A. FiveB. SevenC. TenD. Eight47.My friend _______ (speak) Chinese very well.48.I _______ (be) a teacher.49.He _______ (eat) dinner at 6 PM.50.I _______ (visit) my grandparents next month.(答案及解释)。

Unit4 Last Weekend1 . key words(重点词组)listened to music: 听音乐jumped rope:跳绳cleaned the window:擦窗子rowed a boat:划船played computer games: 玩电子游戏watched TV:看电视climbed a hill:爬山stayed at home:呆在家里played the piano:弹钢琴visited grandparents:看望祖父母played chess: 下棋washed clothes:洗衣服2. key structures（重点句型）背会默会课本红体句子。

1. How was your weekend?译：你周末过的怎么样？怎么Be动词的过去式你的周末2. It was wonderful. 译：非常精彩！它Be动词的过去式精彩的3. What did you do last weekend? 译：你上周末干什么了？什么do的过去式你干什么上周末4. I watched a football match with my friends, and then we played football together .我看的过去式一场足球赛和我的朋友之后我们踢足球一起译：我和我的朋友看了一场足球赛，之后一起踢足球。

3.word deformation(词类变形)win过去式won is过去式was are过去式were have过去式had do过去式did see过去式saw take过去式took go过去式went 4.Tense（时态）一般过去时：1. 主语+was/were +其它eg : It was wonderful.2.主语+动词的过去式+其它eg: I watched a football with my friends. 5.pronunciation（语音）了解字母组ed的发音(1)动词词尾为“t,d”时，发音为【id】eg: waited [weitid](2)动词词尾为清辅音时，发音【t】eg: danced [da;nst](3)动词词尾为t，d以外的浊辅音或元音时，发【d】音eg: played [pleid]6. Expand（拓展）position(作文，P53页)Last Weekend (上周末)/Last Week(上周)Last Saturday morning, I did homework. Sometimes I went shopping. Last Saturday afternoon, I watched TV. Sometimes, I played computer st Sunday morning, I did chores. Last Sunday afternoon, I played ping-pong. I like my weekend. So happy!Excise一、比较下列各组形似词，分别写出中文意思。

小学五年级下册英语第四单元期中试卷(答案和解释)英语试题一、综合题(本题有50小题，每小题2分，共100分.每小题不选、错误，均不给分)1.My parents __________ (buy) a new car last week. It __________ (be) a big surprise for me! Yesterday, we __________ (drive) the new car to the park, and I __________ (enjoy) the ride. The car __________ (look) very nice, and I __________ (feel) happy.2.What do we use to eat pasta?A. KnifeB. SpoonC. ForkD. Plate3.He is __________ than his frienD.A. friendlierB. more friendlyC. friendlierestD. more friendlierst summer, we ______ (take) a trip to the mountains. The weather ______ (be) perfect for hiking, so we ______ (climb) to the top of the mountain. When we ______ (reach) the top, we ______ (see) a beautiful view of the valley.5.James and his friends are planning a trip to the park tomorrow. They will bring a__________ to play soccer and some __________ for snacks. James is very excited because he loves playing soccer with his friends. He also plans to bring his __________ to take some photos of the game. After playing, they will sit on the __________ and eat their sandwiches.6.Today is a very sunny day. The sky is blue, and there are no clouds. I can feel the warmth of the sun on my face. I like sunny days because I can play outside. After school, my friends and I will go to the park to play basketball. We will also bring a picnic and eat sandwiches under the tree. My little brother is coming with us. He likes to play with his toy cars, and we all enjoy spending time together. It will be a wonderful afternoon.7.Which of these is a body part?A. TableB. LegC. ChairD. Book8.My friend ______ (live) in a big house near the beach. Every weekend, she ______ (go) swimming in the ocean. Sometimes, she ______ (invite) me to join her, and we______ (have) a lot of fun.9.What is 5 3?A. 1B. 2C. 3D. 410.What color is the grass?A. RedB. GreenC. BlueD. Yellow11.Which of these is a time of day?A. MorningB. SundayC. ChristmasD. Summer12.Which of these is a vegetable?A. CarrotB. AppleC. BananaD. Pear13.Yesterday, I __________ (go) to the park with my brother. We __________ (play) basketball for an hour. After that, we __________ (eat) ice cream. My brother__________ (be) very happy because it __________ (be) his birthday.14.My friend Jane __________ (1) to the park every weekend. She __________ (2) her dog, Max, with her. They __________ (3) together for an hour, and then they__________ (4) to the café for some snacks. Jane __________ (5) to drink juice, and Max __________ (6) to eat biscuits. Afterward, they __________ (7) home, and Jane__________ (8) to play with Max in the garden.15.What is the color of an orange?A. greenB. orangeC. purpleD. red16.Which of these animals can swim?A. BirdB. FishC. CatD. Elephant17.Tom and Jack are in the park. They see some __________ (1) flying in the sky. Jack picks up a __________ (2) and tries to fly it. Tom helps by running with the__________ (3) in the wind. They are very __________ (4) when the kite flies high.18.What is the opposite of "hot"?A. FastB. SlowC. ColdD. Tall19.Which of these is a time of day?A. MorningB. WinterC. JulyD. Saturday20.Which of these animals can fly?A. DogB. FishC. BirdD. Cow21.Which one is a shape?A. CircleB. AppleC. DogD. Plate22.Anna and her family are planning a trip to the __________ (1) next month. Theywill travel by __________ (2). During the trip, Anna hopes to see many __________ (3), especially __________ (4) and __________ (5). After the sightseeing, they will go to a__________ (6) to have lunch. Anna loves eating __________ (7) and drinking fruit juice.23.Which one is a day of the week?A. JanuaryB. SummerC. MondayD. March24.What do you use to cut paper?A. ScissorsB. KnifeC. PlateD. Spoon25.Which of these is a color?A. DogB. GreenC. TableD. Chair26.Sarah __________ (be) a student at Sunshine Primary School. She __________ (have) many friends. Every morning, she __________ (get) up early and __________ (eat) breakfast with her family. After breakfast, she __________ (put) on her school uniform and __________ (leave) home at 7:30 AM. Sarah __________ (go) to school by bus. She __________ (arrive) at school at 8:00 AM. After school, she __________ (go) home and __________ (do) her homework before playing with her friends.st weekend, my family and I ______ (visit) a farm. We ______ (see) many animals, like cows, pigs, and chickens. I ______ (feed) the goats and my brother ______ (milk) a cow for the first time. We ______ (take) a lot of photos and ______ (enjoy) the beautiful farm scenery. After that, we ______ (have) lunch and then ______ (head) home.28.I __________ (study) English every day. My teacher __________ (give) us new words to learn. Yesterday, we __________ (practice) speaking in class. I __________ (not understand) some of the words at first, but after practicing, I __________ (feel) better. My friends __________ (help) me a lot. We __________ (study) together after school.29.Which of these animals can swim?A. ElephantB. DogC. FishD. Cat30.Which of these is used to write on paper?A. PenB. PlateC. SpoonD. Knife31.How many sides does a triangle have?A. 3B. 4C. 5D. 632.My best friend, Lucy, __________ (be) very kind. She __________ (help) me with my homework every day. Yesterday, we __________ (study) together for the math exam. Lucy __________ (know) a lot about math, so she __________ (explain) the difficult problems to me. After studying, we __________ (play) outside. We __________ (ride) our bikes to the park, and it __________ (be) a fun afternoon.33.Which of these is a time of day?A. JanuaryB. EveningC. AprilD. Summer34.Today, I __________ (1) to the zoo with my class. We __________ (2) many animals. First, we __________ (3) the lions. They __________ (4) very strong. Then, we __________ (5) some monkeys. They __________ (6) very funny. We __________ (7) an elephant too. It __________ (8) very big.35.Which of these is used to cut things?A. KnifeB. SpoonC. ForkD. Plate36.What do you use to open a door?A. KeyB. KnifeC. PlateD. Spoon37.Which one is the correct way to say "Hello" in English?A. HolaB. BonjourC. HelloD. Ciao38.What is the opposite of "hot"?A. ColdB. TallC. HeavyD. Light39.Which of these is a school subject?A. MathB. TableC. SpoonD. Car40.Sarah and her family are going to a __________ to watch a play. The actors wear __________ and perform a story on stage. Sarah is very excited to see the __________, and she can’t wait for the show to start. After the pla y, they go to a __________ to talk about their favorite parts.41.Lily is in her bedroom. She is cleaning her __________ and organizing her__________. She puts her clothes in the __________ and arranges her __________ onthe shelf. Lily also likes to put her __________ on the wall to make the room look nice. After she finishes, she feels __________ because her room is so clean and tidy.42.Which one is a body part?A. HandB. TableC. CarD. Spoon43.Which of these is a holiday?A. ChristmasB. JanuaryC. SummerD. Tuesday44.My father __________ (work) at an office. He __________ (leave) home at 8:00 in the morning and __________ (come) back at 6:00 in the evening. Sometimes, he__________ (bring) home special treats for me. I __________ (enjoy) spending time with him on weekends. We __________ (play) soccer or __________ (watch) movies together.45.I ______ (wake) up at 7:00 every day. After I ______ (get) dressed, I ______ (eat) breakfast with my family. Then, I ______ (go) to school. I ______ (have) math, science, and English classes.46.This afternoon, I am going to the __________ with my friends. We are going to buy some __________ for the week. I need to buy __________, eggs, and __________. My friend wants to buy some __________ and milk. After shopping, we are going to have a __________ in the park. It’s going to be a fun afternoon!47.We ______ (have) a math test tomorrow. I ______ (study) hard for it. I ______ (feel) nervous, but I know I ______ (do) my best. My teacher ______ (give) us some helpful tips last week. I ______ (believe) I ______ (pass) the test.48.My friend __________ (invite) me to her birthday party last Saturday. I__________ (bring) a gift for her. We __________ (play) games, __________ (sing) songs, and __________ (eat) cake. It __________ (be) a great party.49.Which animal says "woof"?A. DogB. CatC. CowD. Sheep50.What do you use to see?A. EyesB. EarsC. NoseD. Mouth(答案及解释)。

重点单词详析：（1）frightening【原句回放】It has lasted for ten hours and was very frightening.它（沙尘暴）持续了两个小时，真吓人！【点拨】frightening adj. 令人惊吓的a frightening film/story 恐怖电影/故事It was a very frightening experience and they were very courageous.那段经历太恐怖了，他们表现得非常勇敢。

【拓展】frighten v. 使惊吓，惊恐frightened adj. 受惊吓的a frightened horse 一匹受惊的马frighten sb. into/out of doing sth 吓得某人做/不敢做某事frighten sb. to death/frighten sb. out of life吓得要死What are you frightened of? 你怕什么？He was frightened at the thought of his coming exam.他一想到即将到来的考试就惊恐。

（2）strength【原句回放】The Chinese Central Weather Station can forecast a sandstorm some weeks before it arrives in Beijing, but the strength of the storm sometimes surprises people. 中央气象站能在沙尘暴到达北京前几周进行预报，但风大得有时让人们吃惊。

【点拨】strength n. 力量；力气；长处；强度; 体力；意志力；have the strength to do sth. 有做某事的力气；有做某事的意志力go from strength to strength 日益壮大on the strength of sth. 基于……；受……鼓励with all one’s strength 用尽全身的力气I don’t have the strength to climb any further.我没有力气再往上爬了。

Unit5 单元练习一、给以下单词选择正确的翻译。

1. walletA. 粉笔B. 钱包C. 黑板D. 白色2. yesterdayA. 昨天B. 今天C. 夜晚D. 白天3. lostA. 今天B. 重的C. 丧失的D. 大的4. lastA. 夜晚B. 最后的C. 昨天D. 持续的5. heavyA. 白天B. 饿的C. 快乐的D. 渴的二、选出不同类的一项。

1. A. am B. is C. are D. one2. A. gloves B. book C. jacket D. scarf3. A. rainy B. heavy C. sunny D. windy4. A. today B. yesterday C. play D. tomorrow5. A. small B. big C. long D. happy6. A. in B. morning C. afternoon D. evening三、单项选择。

1. Where_____ you yesterdayA. areB. wereC. isD. was2. I wear a raincoat on a_____ day.A. rainyB. sunnyC. windyD. rain3. You have to walk_____ school today.A. theB. onC. /D. to4. My school bag is next_____ the kite.A. toB. withC. inD. behind5. Where are my rain_____A. bootB. bootsC. boatD. boats6. There are two_____ in the zoo.A. booksB. pearsC. pandasD. bikes7. This was my room five_____ ago.A. yearB. yearsC. years’D. year’8. There_____ a library last year.A. hasB. areC. wereD. was四、给以下句子排列正确的顺序。

Unit 4 Wildlife protection 语言点巩固练习词汇练习：词形变化1)._____________(vi.)回答，响应，做出反应______________ (n)2)._____________(adj.)远的，远处的。

___________(n.)3)._____________ (n.)痛苦减轻或解除。

____________(vt.)使减轻或解除。

4)._____________（vt.）包含，容纳，容忍。

________________(n.)容器5)._____________(vt.)影响，感动，侵袭_________ (n.)喜爱，感情___________(n)影响6)._____________(vt.)接替，继任，成功____________(n.)___________ adj.__________7)._____________(vt.)雇佣，利用时间精力。

________n.雇员，雇工____________ n.雇主。

___________ n.雇用使用。

8)._______________(n./ vt.)损害，危害。

__________ adj.9).________________n.胃__________________(n. pl)高频短语.1．以致于；结果______________________2．灭绝_________ __________________3. 和平，和睦，安祥地_________________4．处于险境_________________________ 5．保护…不受…危险_________________6．注意____________________________7．形成；产生______________________ 8．不久前___________________________9．很久以前________________________10．不久以后________________________ 11．转身__________________________12．申请被允许做某事_________________ 13．醒来_______________________14．茂密的森林______________________ 15．浓烟________________________ 16．穿上衣服_________________________ 17．如释重负；松了口气_______________18．按照；根据……所说_______________ 19．突然笑起来_______________________20。

六年级英语上册句型转换专项真题班级：_____________ 姓名：_____________【句型转换】1. 按要求写句子。

［1］My mother goes to the park every week.(用 next week改写)［2］Mr Brown lives in the city.(改为一般疑问句)［3］He works in a car factory.(对句子主题意思提问)［4］What does your mother do? (写出其同义句)［5］She is going to buy word books tomorrow.(对句子主题意思提问)2. 句型转换。

1．I never go to the doctor.（改为一般疑问句）2．Lingling often plays with dolls.（对句子主题意思提问）3．Does you brother eat dumplings?（做肯定回答）3. 句型转换。

1. We went to visit Sanya .（就主题意思提问）______ ______ you ______ to visit ?2. Did you have a good time ?（肯定句）I ______ a good time .3. Were you at home yesterday ?（同义句）Were you ______ yesterday ?4. I was born on January lst , 1992 .（就主题意思提问）______ ______ you ______ ?5. Lisa and her parents saw some drawings on the cave wall .（否定句）Lisa and her parents ______ ______ ______ drawings on the cave wall .6. I enjoyed the lessons I learned .（就主题意思提问）______ ______ ______ you ______ ?7. Excuse me , where’s the post office ?（同义句）Excuse me , ______ can I ______ to the post office ?8. Did you play games yesterday afternoon ?（否定回答）______ , I ______ .9. She can sing .（用dance改为选择疑问句）Can she sing ______ dance ?4. 按要求完成下列各题。

st week作文4句
当然，以下是更加口语化、独立且语言特点各异的关于上周的四个段落：
段落一：
上周那个晴朗的下午，我在公园里晒得懒洋洋的。

就躺在草地上，看着云朵慢慢飘过，心里啥事儿也不想，别提多舒坦了。

段落二：
周三晚上，我跟哥们儿们去吃了烧烤。

那烤串儿，啧啧啧，辣得够劲儿，香得让人停不下来。

大家边吃边聊，感觉又回到了学生时代，无忧无虑的。

段落三：
周末那天，我陪老妈去逛了菜市场。

那里人声鼎沸，各种蔬菜水果应有尽有。

老妈挑得可仔细了，我帮她拎着一大堆东西，虽然累但心里挺开心的。

段落四：
上周六晚上，我在家看了一部超好看的电影。

剧情紧张刺激，看得我热血沸腾。

看完之后，我还沉浸在电影的世界里，久久不能平静。

小学4年级英语试题【答案和题解】(共50道题)下面有答案和解题分析一、综合题1.We __________ (1) a picnic last Sunday. The weather __________ (2) very nice. We __________ (3) a lot of food. My friends and I __________ (4) play games, and we __________ (5) take many photos. It __________ (6) very fun.2.Tom __________ (like) to read books in his free time. Yesterday, he __________ (finish) reading a book about space. It __________ (be) very interesting, and he__________ (decide) to read another one by the same author. His mother __________ (tell) him to take a break and __________ (go) outside for a while. Tom __________ (agree) and __________ (play) soccer with his friends.3.I __________ (wake) up at 6:30 this morning. After I __________ (eat) breakfast, I __________ (go) to school by bike. I __________ (arrive) at school at 8:00.st weekend, we __________ (visit) my grandmother. She __________ (live) in a small village. We __________ (help) her with the garden and __________ (make) lunch together. It __________ (be) a great weekend.5.We _______ (not/eat) lunch yet.6.They _______ (go) to the beach last summer.7.We _______ (not/have) any homework today.8.My mother always makes __________ (1) for breakfast. It smells so good! After breakfast, we get ready for __________ (2). I pack my __________ (3) and put it in my __________ (4). My dad drives us to school. At school, I sit in the __________ (5) and listen to the teacher. After class, we go to the __________ (6) to eat lunch. I usually havea sandwich and some __________ (7).9.Yesterday, I __________ (go) to the library to borrow a book. When I __________ (arrive), I __________ (see) my friend Jack. He __________ (read) a book in the corner. We __________ (talk) for a while, then I __________ (choose) a book and __________ (leave) the library.10.Which of these is a form of transportation?A. CarB. TableC. ChairD. Book11.We _______ (watch) a movie tonight.12.What is the opposite of "new"?A. OldB. TallC. SmallD. Heavy13.They _______ (run) in the playground.14.Which of these is a kind of animal?A. DogB. ChairC. TableD. Carst summer, I __________ (go) to a summer camp. I __________ (make) many new friends, and we __________ (play) games and __________ (do) many fun activities. It __________ (be) an unforgettable experience.16.On Sundays, my family __________ (1) like to visit my grandparents. We__________ (2) drive to their house, and when we __________ (3) arrive, my grandmother __________ (4) give us cookies. My grandfather __________ (5) tell us funny stories, and we __________ (6) laugh together. In the afternoon, we __________ (7) play games, and sometimes we __________ (8) go for a walk in the garden.17.Mark’s birthday is in __________ (1). He will have a big __________ (2) to celebrate. Mark invited his friends to his __________ (3). They will play games like__________ (4) and __________ (5). Mark’s favorite game is __________ (6). He will also get many __________ (7) and is looking forward to opening them. After the party, they will have some __________ (8) and __________ (9).18.I _______ (make) my bed every morning.19.What do you use to cut paper?A. KnifeB. ForkC. ScissorsD. Plate20.How do you say "你好" in English?A. GoodbyeB. Good morningC. HelloD. Good night21.She _______ (play / plays / played) the guitar very well.22.Which one is a kind of transport?A. TableB. CarC. TreeD. Book23.Anna is going to visit her grandparents this weekend. They live on a __________. Anna loves the quiet and peaceful __________ there. She often helps her grandmother pick __________ from the garden and enjoys watching the __________ at the farm.24.Yesterday, I __________ (take) a walk in the park. I __________ (see) many people there. Some __________ (run), and others __________ (walk) their dogs. I__________ (sit) on a bench and __________ (enjoy) the fresh air.25.Which one is a vehicle?A. BoatB. ChairC. TableD. Window26.I _______ (not) eat vegetables.27.I ______ (not see) you at school today. Where ______ (you, be)? I ______ (wait) for you at the playground this morning, but you ______ (not show) up. I ______ (ask) some of our classmates, and they ______ (say) that you ______ (go) home early because you ______ (feel) sick.28.Which one is a country?A. ChinaB. AppleC. MountainD. School29.We need ______ to write.A. A spoonB. A pencilC. A chairD. A pillow30.I __________ (1) my homework in the afternoon. After I __________ (2) it, I__________ (3) to the park to play with my friends. We __________ (4) soccer and__________ (5) a good time. I __________ (6) to do it again next week.31.How do you ask for something politely?A. PleaseB. SorryC. Thank youD. Goodbye32.Which of these is a pet?A. DogB. ElephantC. TigerD. Whale33.Which one is used for cleaning teeth?A. ToothbrushB. PlateC. ForkD. Spoon34.We _______ (have/has) many books at home.35.They _______ (study / studies) English every day.36.Which one is used for eating salad?A. ForkB. SpoonC. KnifeD. Plate37.Which of these is not an animal?A. DogB. CatC. BirdD. Chair38.Tom and his family are traveling to a new city. They visit famous __________ like museums and parks. Tom enjoys learning about __________, so he is excited to visit the __________ museum. After exploring, they have dinner at a local __________.39.I _______ (like) to read books every evening.40.Which season comes after summer?A. SpringB. WinterC. FallD. Summer41.What is the past tense of "go"?A. GoesB. WentC. GoingD. Gone42.David is at the swimming pool. He wears his __________ and dives into the__________. He swims for a while and then takes a break on the __________. David loves swimming because it makes him feel __________.43.He _______ (go) to the park every day.44.I _______ (like / likes / liked) to listen to music.45.Yesterday, I __________ (go) to the park with my friends. We __________ (play) football for an hour, and then we __________ (have) lunch at a nearby café. After lunch, we __________ (decide) to take a walk around the lake. I __________ (feel) very happy because the weather __________ (be) sunny and warm. Later, we __________ (see) some ducks swimming in the water. It __________ (be) a fun day.46.I _______ (like) to eat ice cream.47.What is the opposite of "up"?A. DownB. LeftC. RightD. Out48.I __________ (1) like going to the beach. Last summer, I __________ (2) go there with my family. We __________ (3) swim in the sea and __________ (4) build sandcastles. I __________ (5) also like playing volleyball on the beach. We __________ (6) have a lot of fun there.49.Which of these is a season?A. SundayB. WinterC. FoodD. School50.What do we use to carry things?A. PlateB. BagC. KnifeD. Cup(答案及解释)。

PEP小学四年级下册英语模拟【答案和解析】(共50道题)下面有答案和解题分析一、综合题1.Which number comes after 7?A. 6B. 8C. 9D. 52.I _______ (want) to be a doctor when I grow up.3.We _______ (read/reads) books in the library.st weekend, my family went to the __________ for a picnic. We sat on a__________ and ate sandwiches. My brother and I played __________ while my parents relaxed. After lunch, we went to the __________ to swim. It was a very fun day!5.I ______ (love) going to the beach in the summer. I ______ (swim) in the sea and ______ (build) sandcastles with my sister. Last summer, we ______ (go) to the beach every weekend. One day, we ______ (find) a beautiful seashell on the shore.6.We _______ (eat) lunch at school every day.7.My best friend Lily ______ (be) very kind. She ______ (always help) me with my homework. Yesterday, she ______ (bring) me a book to read. We ______ (sit) together and ______ (talk) about the story. I ______ (feel) happy because of her kindness.8.Which one is the opposite of "day"?A. NightB. MorningC. NoonD. Evening9.She _______ (visit) her grandmother on weekends.10.I _______ (speak) two languages.11.Which of these is a type of tree?A. RoseB. PineC. LilyD. Daisy12.Amy is baking a cake. She needs __________ (flour), __________ (eggs),__________ (sugar), and __________ (milk). She mixes all the ingredients in a__________ (bowl). After putting the batter in a __________ (cake pan), she puts it in the __________ (oven) to bake.13.What do you call the person who teaches you in school?A. ChefB. TeacherC. DoctorD. Baker14.She _______ (not/play) the piano very well.15.What do we wear on our feet?A. GlovesB. ShoesC. HatD. Shirt16.Which of these is used to eat soup?A. ForkB. KnifeC. SpoonD. Plate17.I _______ (not/like) math.18.It __________ (1) raining now. I __________ (2) go outside to play. My sister Lucy __________ (3) like the rain. She __________ (4) stay inside and __________ (5) watch TV. I __________ (6) want to play, but I __________ (7) wait for the rain to stop.19.What do we use to cut food?A. SpoonB. KnifeC. PlateD. Cup20.I _______ (see) a movie last night.21.I __________ (study) English every day. I __________ (have) an English test next week, so I __________ (practice) my listening and speaking skills. Yesterday, I__________ (read) a short story in English and __________ (write) some new words in my notebook. I __________ (feel) confident about the test, but I still __________ (need) to study more.22.Yesterday afternoon, I __________ (1) my best friend Amy. We __________ (2) to the park to play. At the park, we __________ (3) a game of soccer. Amy __________ (4) the ball, and I __________ (5) the goal. After the game, we __________ (6) ice cream. It __________ (7) a wonderful day.23.She _______ (be) a doctor.st weekend, my family and I ______ (visit) my grandmother’s house. We ______ (have) a big family dinner together. My grandmother ______ (cook) chicken, and my mom ______ (make) a salad. After dinner, we ______ (play) board games and ______ (watch) a movie. It ______ (be) a wonderful day.25.I _______ (not/have) a sister.26.In the evening, I _______ (usually) _______ (have) dinner with my family. After dinner, we _______ (watch) TV together or _______ (play) board games. On weekends, we _______ (go) to the park and _______ (walk) around.27.He _______ (speak) three languages.28.Emma is going to a birthday party. She brings a __________ (1) for the birthday boy. At the party, they play __________ (2) and eat __________ (3). Emma also gets a __________ (4) as a thankyou gift.29.Which of these is a type of weather?A. DeskB. SunC. CloudD. Rain30.I _______ (not/understand) what she said.31.She _______ (is/are) my best friend.32.My father _______ (work) in an office.33.Which of these is an animal that can swim?A. DogB. FishC. LionD. Giraffe34.In the morning, I always eat ______ for breakfast. My brother likes to have ______ with some ______. After breakfast, we both get ready for school. I put on my ______, and my brother wears his ______. We then leave the house and walk to the ______.35.We _______ in a big city, and there are many places to visit and explore. It’s exciting to live here! (live, lives, lived, living)36.The dog _______ (bark / barks / barked) loudly at night.37.Tomorrow, we __________ (visit) my aunt. She __________ (live) in a small village, and we __________ (look) forward to seeing her. We __________ (bring) her a gift, and she __________ (make) us a special lunch. I __________ (be) very excited for the visit.38.I _______ (meet) my friends tomorrow.39.I _______ (not) understand this subject.40.Tom and his friends are playing basketball after school. They ______ (play) on the school court every Tuesday and Thursday. Tom is good at basketball, but his friend Mike is even better. Mike ______ (score) many points in their last game. Today, they hope to win again.41.I _______ (see) my teacher yesterday.42.I ______ (watch) a movie last night. It ______ (be) really exciting! After the movie,I ______ (talk) to my friends about it for a long time.43.I _______ (not/know) his phone number.44.Mia is having a sleepover at her friend Lily’s house. They are going to watch a__________ (1) together. After that, they will make some __________ (2) and drink__________ (3). Mia is very excited to spend the night at Lily’s house.45.She _______ (read) a book every evening.46.Which of these is a body part?A. ChairB. HandC. TableD. Book47.I __________ (read) a great book last week. It __________ (be) about a young girl who __________ (travel) to a magical land. The book __________ (have) many exciting adventures, and I __________ (really / enjoy) reading it. My friend __________ (give) me the book as a gift, and I __________ (feel) very happy. I __________ (decide) to read the next book in the series.48.We _______ (go) to school every day by bike.49.He _______ (not drink) milk every day.50.It __________ (rain) when I __________ (leave) home this morning. I __________ (forget) my umbrella, so I __________ (get) wet. I __________ (run) to the bus stop, but the bus __________ (leave) already. I __________ (wait) for the next bus.(答案及解释)。

below例句below例句如下：1、It's 15 degrees below freezing.温度是零下15度。

2、The sun sank below the horizon.太阳落到了地平线下。

3、The sun dipped below the horizon.太阳落到地平线下了。

4、Inflation stayed below 4% last month.上月的通货膨胀率保持在4%以下。

5、He fell 20 metres onto the rocks below.他掉到下面20米处的岩石上。

6、Below him was nothing but a black void.他下面只是一片漆黑。

7、He looked down at the traffic far below.他俯视下方远处的行人车辆。

8、A police sergeant is below an inspector.巡佐的级别低于巡官。

9、Some of them earn below the minimum wage.他们中的一些人挣的钱低于最低工资。

10、The sun had already sunk below the horizon. 太阳已沉下地平线。

11、The results are represented in fig.3 below.结果如下面的图3所示。

12、They listened to the rush of the sea below.他们听着下面汹涌澎湃的海浪声。

13、Inflation is below 5% and set to fall further.通货膨胀率低于5%，而且开始进一步下降。

14、A crocodile was lurking just below the surface. 有条鳄鱼就潜伏在水面下。

15、I am content to admire the mountains from below. 我满足于从山下观赏群山。