人教版八年级英语下册教案unit7第一课时

Unit 7 What’s the highest mountain in the world?教案Unit 7 What’s the highest mountain in the world?Section A 1a - 2d ( 第1课时)（听说课）学习目标：1、知识目标：掌握本节课重点单词和句型： square meter deep desert /What is thehighest mountain in the world ? Qomolangma.学会较大的数字的读法和写法。

2、能力目标：能熟练掌握和运用单词square meter deep 和desert能够表达物体的长、宽、高、深和面积。

正确运用形容词和副词的比较级和最高级。

3、情感目标：培养学生积极参与活动的兴趣，了解世界上的名山大川。

教学重点：学习并掌握表达物体的长、宽、高、深和面积。

正确运用形容词和副词的比较级和最高级。

教学难点：能运用本节所学内容自由谈论自然景观。

教学过程：一、导学领航写出下列单词的比较级和最高级high deep biglong old young二、自主学习请根据预习写出下列短语1.最高的山2.最长的河3.八百万平方公里4. 1025米深5.……的人口 6……的高度7.和…一样大 8.少于……的长度9.最古老的国家之一三、合作探究1.long的名词形式是翻译成，这条河100米长。

eg：其中一本书是新的。

3. The population of the world is 6400000000.对人口这个数字划线提问要用特殊疑问词。

the population of the world？4.as big as 和…一样大as…as之间的形容词用级。

The Yellow river is not as long as the Yangtze river.否定形式not as…as 意为。

5. Can you tell me a bit more about China?我们学过的可以修饰比较级的副词和短语还有注意比较级和最高级Which is the second longest river in China?Which river is longer ,the Nile or theYellow River?四、交流指导1. 比一比：各小组长提问其它小组成员课前准备的短语，看哪个小组完成得最棒！2. 1a 展示同学们搜集的信息，讨论1a部分的四幅图片。

宕昌县理川中学2018 - 2019学年第2学期教案教师课题教具准备第周八年级英语备课组教案授课时间课时5-1 Unit 7Section A (1a-2d)课型新授一、知与技能：1.掌握重点和短：(1) square meter deep desert population Asia feel free tour tourist wall amazing ancient protect wide.(2) the population of as far as feel free to do ⋯ as ⋯ as2.掌握重点句式：教学(1) The Qomolangma is 8844.43meters high.(5 meters long/20 feet wide)目标(2) The Sahara is about 9,600,000 square kilometers in size.(3) It ’ s a lot bigger than the population of the United States.(much,far, a little, much, even)(4)China has the biggest population in the world.(5)China is one of the oldest countries in the world.二、程与方法：通听、、、写等任型活，熟用和句型。

三、情感度与价：引学生学会用比、最高来比描述事物感受大自然的美。

重点难点1.学会使用比较级、最高级； 2.正确使用有关原级、比较级、最高级；1.不规则形容词、副词的比较级、最高级形式，尤其是多音节形容词及副词；2.灵活运用比较级、最高级谈论自然景观。

教学环节问题分层设置旁注复习旧课(新课预教Listen and sing the song习、作业的检查)学以 6 道知识竞答题做热身、导入。

Unit 7 It’s raining!第1课时Section A(la-1c)【学习目标】能力目标：通过学习谈论天气，能够描述自然天气状况。

知识目标：1 重点单词：rain, windy, cloudy, sunny, snow, weather2 重点短语：right now，as usual3 重点句型①---How’s the weather in Beijing? ---It’s sunny.②It's snowing right now.③It's raining, as usual!情感价值目标：能和他人自由交谈不同的天气状况。

【学习过程】一、自主学习：I．预习SectionA．la，完成课本P37,la。

Ⅱ. 请写出下列单词的英文表达。

1．太阳 2.雨 3.雪 4.云5．晴天的6．有雨的7．有雪的8．多云的III.你还知道更多的描述天气的词汇吗？Ⅳ.你知道英语中询问天气状况的句型吗？二、合作探究展示1. Lead-inLook at the pictures a-e in la Do you know how to ask and answer the weather in different places? Do they have the same weather? Now you can start like this----How’ s the weather in Picture a? ----It’s in Picture a.There is weather in different places.2. Listening pr actice(l)Listen to the tape and finish the exercise in lb.(2)Listen to the tape again and fill in the blanks.Conversation l:It’s _in Shanghai. And it’s in Moscow right now.Conversation 2:It’s in Boston.Conversation 3 :It’s _in Beijing.Conversation 4 :It's in Toronto, as usual.(2)Read after the tape.3. Pair workLook at the pictures in la and talk about the weather with your partner. (lc)A: Hi! How's the weather in Beijing/. .. ?B :It's sunny/. . .4. PresentationPleas e give a weather report according to different weat her in different cities of the pictures in la. You can say like this:Good morning, ladies and gentlemen. Here is the weather report. It’s sunny in Beijing. The weather in Shanghai is cloudy. . .三、拓展提升1．---How's the weather in Beijing?北京的天气怎么样？---It's sunny.天气晴朗。

Unit 7 单元整体教学设计一、教材解读Textbook Analysis本单元教材以“谈论地理与自然”为中心话题，围绕着“较大的数字和运用形容词和副词的比较级、最高级”进行。

学习如何表达较大数字和运用句型来表达形容词和副词的比较级、最高级:What’s the highest mountain in the world? /How high is Qomolangma? It’s 8844.43 meters high./ It’s higher than any other mountain.等。

Section A 重点是学习较大数字的表述, 学会用不同句式表达比较级、最高级。

本部分难点是形容词比较级、最高级的不同表达句式,如higher than any other mountain, bigger than, almost as big as 等。

1a1c 为本单元的导入部分。

活动1a 的主题图呈现了Qomolangma, the Nile, the Caspian Sea 和the Sahara 四幅图,从而引出该部分的重点—“自然地理之最”的相关数据。

2a2d 部分的重点是听和说的教学。

借助我国人口、历史、河流的话题内容,将学生带入我们自己的地理与人文语境中。

3a3c 部分为阅读板块。

阅读材料是关于珠穆朗玛峰的介绍,学生通过阅读了解珠穆朗玛峰的险峻和人类克服困难、挑战极限的勇气与实践精神。

Section B 部分的重点是在阅读中运用寻读策略,教学难点是说明文的写作。

1a1e 部分一方面巩固含有数字的事实描述,另一方面也拓展学习更多表示比的句式,如多倍数的表达等。

2a2e 是一个阅读板块。

阅读材料是关于大熊猫的一篇报道,具有说明文的一些特征。

3a3b 是本单元的写作板块。

二、教材整合Textbook Intergration根据本单元的特点和学生本身的知识与能力实际，建议将本单元教材内容做如下整合及安排。

Unit 7 What’s the highest mountain in the world?Section A 3a—3cTeaching aims:1. Knowledge aims:1. Students can master the following words and language chunks:achievement, southwestern, thick, include, freezing, condition, take in,succeed,challenge, in the face of, achieve, force, nature, even though2. Students can talk about the comparisons--Comparative and Superlative forms:the most dangerous sport, the most famous place, the highest, more serious, stronger2.Ability aims:Students can talk about the comparisons--Comparative and Superlative forms of the adjectives.3.Emotion aims:1. Students can talk about the natural geography.2. Students can improve the reading skills through reading.3. Students can learn to challenge themselves in the face of difficulties. Teaching importance and difficulties:1.Importance:Students can learn the new words and language chunks, and talk about the natural geography.2.Difficulties:Students can improve the reading skills through reading and learn to challenge themselves inthe face of difficulties.Teaching procedures:Step 1 Warming-upShow a set of pictures of different famous places of the world.Talk about them: Where did we go just now?We went to____, the ______in the world?Step 2 Free talkShow a picture of Qomolangma and talk about it.Lead in to the article:Qomolangma--the Most Dangerous Mountain in the World?Step 3 ReadingTask 1 Read the article and match each paragraph with the main ideas.Paragraph 1 spirit of climbersParagraph 2 achievements of climbersParagraph 3 facts and dangersReading skill--Skimming(跳读):Look through to find the main idea of each paragraph.Complete the mind-map:Task 2 Read Para.1 and answer the questions.1. Where are the Himalayas?2. How high is Qomolangma?Reading skill--Skanning(扫读):Move your eyes quickly to find specific information.Enjoy a short video about what makes Qomolangma the highest.Complete the mind-map:Task 3 Read Para.1. List the dangers for climbers.thick clouds, heavy snow, freezing weather conditions, heavy storms, hard to take in airComplete the mind-map:Task 4 Read Para.2 and answer the questions.1. How many achievements are mentioned(提及)? What are they?in 1953 The first people-Tenzing Norgay and Edmund Hillaryin 1960 The first Chinese teamin 1975 The first woman-Junko Tabei from JapanComplete the mind-map:Task 5 Read Para.3 and answer the questions.1. Why do so many climbers risk their lives even though it's dangerous?challenge …in the face of…2. What does the spirit of climbers show us?never give up …achieve …be stronger…the forces of…Complete the mind-map:Task 6 Read Para.1&3 and list four comparisons.the highest, the most dangerous sport, the most popular place, the most famous, more serious difficulties, strongerComplete the mind-map:Step 4 An Interview1. Questions：For healthy people,it's very dangerous to climb Qomolangma.What about blind people?Can they climb Qomolangma?2.Enjoy a video about Eric, the first blind man to reach the top.Say something about Eric..3.Make an interview.You are a reporter from CCTV. You go to America to interview Eric.R:Good morning,Eric. Nice to meet you!E:Good morning. Nice to meet you,too.R:We all know you're the first blind man to reach the top of Qomolangma.When did you reach the top?E:________________________________.R:What difficulties did you meet?E:________________________________.R:Why did you want to climb Qomolangma?E:________________________________.R:Yes, I think so. Thanks for your talking.E:You're welcome.Step 5 A short video1.What should we lean from him?2.A poem:Always keep trying, 坚持尝试，Never give up, 永不放弃，Never lose hope. 永不灰心.No matter what happens, 无论发生什么，Just be brave, 只要勇敢面对，Believe yourself, 相信自己，And work harder, 更加努力，Your dreams will come true.梦想就会成真.Step 6 Homework1.Retell the article with the mind-map.2.Have a discussion about how to challenge yourself and write about it.。

Unit 7What's the highest mountain in the world?本单元教材以“介绍地理及自然景观”为中心话题，围绕着“比较级和最高级”进行，学习和运用几个常见的句型：—What's the highest mountain in the world？—Qomolangma./—How high is Qomolangma？—It's 8，844.43 meters high.It's higher than any other mountain./—Which is the deepest salt lake in the world？—The Caspian Sea is the deepest of all the salt lakes./—Did you know that China is one of the oldest countries in the world？—Yes，I did.It's much older than the US.等。

在学习过程中，学生在交流中，能促进师生之间的感情。

Section A 主要学习几个常见的动词短语及几个最高级的句子。

通过短文“Qomolangma －the Most Dangerous Mountain in the World？”介绍了一些登山爱好者登珠穆朗玛峰的故事，增加了学生的阅读量。

Section B 安排了听、说、读、写的任务，通过短文介绍熊猫的一些情况。

教师在教学中应合理利用课本上的知识进行教学。

第一课时Section A(1a－2d)Teaching Key Points【教学重点】The vocabulary：square，meter，deep，desert，population，Asia，wall，tour，tourist，amazing，ancient，protect，wide，feel free，as far as I knowTarget language：1.—What's the highest mountain in the world?—Qomolangma.2．China is almost as big as the US，and it is the biggest country in Asia.Teaching Difficult Points【教学难点】Use the target language above to talk about geography and nature.Teaching Aids【教学工具】an English book，a tape recorder and CAITeaching Steps【教学过程】★Step 1Preview and perception【预习感知】Ask the students to read the vocabulary and target language.Ⅰ.根据句意及首字母提示完成句子。

Unit 7 What’s the highest mountain in the world?第一课时Section A(１a-2d)【Free talk】What’s the highest mountain in the world?【学习目标】1.能掌握下列单词和短语：square, meter, deep, desert, population, Asia,wall,tour,tourist, ancient, protect, wide2.能掌握下列短语: the highest mountain, square kilometers in size, all the saltlakes , a much longer history, as big as, one of the oldest countriesin the world , as you can see, as far as I know, man-made objects,3.重点掌握以下句型：1) ---What’s the highest mountain in the world?---Qomolangma.---How high is Qomolangma?---It’s 8,844.43 meters high. I t’s higher than any other mountain.2) Did you know that China is one of the most oldest countries in the world ?3) China has the biggest population in the world..It is a lot bigger than the population of the US.4)The main reason was to protect china. .5) As far as I know,there are no man –made objects as big as this.4.学会用形容词比较等级来比较身边事物。

Unit 7 What ’s the highest mountain in theworld?Section B (1a~2e)教课目标【知与技术】1. 掌握要点和短：weigh, birth, adult, at birth, live up to⋯2.要点句式： An elephant is 350cm tall and weighs 5,000 kilos ⋯【感情、度与价】学会物，学会倍数的表达来两个事物，将两个事物行比。

教课重难点【教课要点】掌握并熟使用本元生和句式【教课点】牢固含有数字的事描述，展学更多表示比的句式，用比句型将两种物行比。

教课准备片、、多媒体等教课过程Step 1 New words1. weigh v. 称重2. adult n. 成人adj. 成年的3. bamboo n. 竹子4. endangered adj.危的5. research n.&v. ；研究6. keeper n.养7. awake adj. 醒着8. excitement n. 激9. illness n.疾病10. artwork n. 插11. wild adj. 野生的12. government n. 政府Step 2 Discussionpare facts about these two animals. Use the language in the box to help you makesentences.e.g.This elephant weighs many times more than this panda.(200 cm taller/shorter, weigh much more/less, eat much more/less, eat many times more)2.Discuss in pairs. Compare the panda and the elephant.3.Do 1a.Make more sentences using the information in 1a.Step 3 Listening1. 1b Listen and check (√ ) the numbers you hear.1c Listen again and complete the sentences.2.Practice. Take turns telling your classmates about pandas.A:A baby panda can not see.B:An adult panda weighs many times more than a baby panda.Step 4 Reading1.Pre-readingTalk about panda in your class. Use these words to help you.big, bamboo, zoo, popular, cute, black and white, Sichuan, famous,endangered, beautiful, forest, protect,2.Reading tasks2b Scan the article to find out what these numbers mean:10, 12, 300, 20002c Read the article again and write short answers to the questions.1.What is Li n Wei ’ s job?2.What do the baby pandas eat for breakfast?3.Why are pandas endangered?4.What does the education program in Chengdu do?5.Why are scientists doing research?3.Post-reading2d Complete the sentences using words and phrases from the passage.1.The panda _______ at the Chengdu Research Base are awake very early inthe morning to _______ breakfast for the baby pandas.2.In _______, pandas have become so _________ that they are now a symbol3.Adult pandas do not have babies very _____, and some of the babiesonly live for a short time because of ________.4.A special program in Chengdu teaches ________ about why pandas are ___________.5.The Chinese government is helping to _____ the pandas. Scientistsalso want to better __________ the habits of pandas.以下是一只熊猫宝宝的自述，依据文内容填空，每空不超三个。

Unit7 What’s the highest mountain in the world?Section A(1a—1c)教学设计Teaching Key Aims:1. Ss should master some key phrases and key words.2. Ss should master some listening skills to help them listen easily.3. Review the comparatives and superlatives with adjectives and adverbs.4. Help Ss review the numbers, and Ss could say the large numbers.5. Ss could talk about and say geography in this part.Teaching Difficulties:1. Ss could freely say the large numbers by themselves.2. Ss can freely use the comparatives and superlatives to express their ideas.3. Ss can freely use the key points of this part to say the geography and the nature Teaching key words:square meter deep desert Caspian Sahara QomolangmaTeaching Aids: PPTTeaching procedures:T shows the Teaching Key Points of this lesson.教学目标：1、掌握本节课中出现的重点单词与词汇。

Unit 7 What’s the highest mountain in the world?教材解读本单元的中心话题主要围绕自然地理知识和动物而展开，通过这些内容的学习，学生可以学到大数字的读法和表示度量的结构，并进一步拓展学习了比较级和最高级的使用。

在听说读写这些活动之中学生的综合能力进一步提升，并且通过阅读材料学生还可以了解珠穆朗玛峰的险峻和人类克服困难、挑战极限的勇气与实践精神，树立保护动物的意识。

单元目标一、知识与技能1. 一些重点短语：in size，in the world，2 meters tall/long/wide，the biggest population，one of the biggest，the most popular question，talk about，the ancient emperors，the main reason，as far as I know，no man-made objects，mountain climbing，the southwestern part of China，thick clouds，cover the top，ri sk one’s life，challenge oneself，achieve one’s dream，the forest of nature，try to do sth.，the spirit of the climbers，many times more than，live up to，prepare …for..，be awake，be special to sb.，spend some time doing sth.，in the remaining forest，endangered animals，in the future…2.学会形容词和副词的比较级和最高级变化规则和用法，并能流畅地对物体进行对比。

人教版八年级英语下unit7教案Unit 7 Teenagers should be allowed to choose their own clothesTeaching Goals:1. To help students understand and use vocabulary related to clothing and fashion.2. To enable students to express their opinions on school uniforms and dress codes.3. To develop students' speaking and writing skills through discussions and written assignments.4. To encourage students to think critically about rules and regulations in schools.Teaching Procedures:Step 1: Warm-up (10 minutes)- Start the class by asking students about their opinions on school uniforms. Do they prefer wearing uniforms or casual clothes to school? Why?- Show pictures of different types of school uniforms and casual outfits, and ask students to describe each one.- Introduce key vocabulary related to clothing and fashion, such as "trendy", "stylish", "fashionable", "casual", "formal", etc.Step 2: Reading and Vocabulary (15 minutes)- Hand out the reading passage about school dress codes and uniforms to students.- Ask students to read the passage silently and underline any key vocabulary words they are unsure of.- Have students work in pairs to discuss the meaning of the vocabulary words and come up with synonyms or definitions for each word.- Go over the vocabulary words as a class and make sure students understand their meanings.Step 3: Discussion (20 minutes)- Divide the class into small groups and give each group a list of discussion questions related to school dress codes.- Encourage students to express their opinions and provide reasons to support their views.- After the group discussions, have a class debate on whether teenagers should be allowed to choose their own clothes in school.- Ask students to present their arguments and counterarguments in the debate.Step 4: Writing Assignment (20 minutes)- Assign a written assignment to students, asking them to write an essay on whether school uniforms are necessary or if teenagers should be allowed to choose their own clothes.- Provide a list of guidelines for the essay, such as using persuasive language, providing examples to support their arguments, and structuring their essay with an introduction, body, and conclusion.- Collect the essays at the end of the class for grading and feedback.Step 5: Follow-up Activity (10 minutes)- To wrap up the lesson, play a fashion show game where students can showcase their own style and creativity by dressing up in different outfits.- Encourage students to describe their outfits and explain why they chose to wear them.- Reward students with prizes for the most creative or stylish outfits.Homework:- For homework, ask students to research on dress codes in different schools around the world and write a short report on their findings.Evaluation:- Evaluate students based on their participation in class discussions, their written assignments, and their ability to express their opinions clearly and persuasively.Overall, this unit will help students develop their critical thinking skills, improve their vocabulary and language proficiency, and engage in meaningful discussions on a relevant topic that affects them directly - school dress codes and rules. By the end of the unit, students should be able to express their opinions confidently and respectfully, and understand the importance of individuality and self-expression in the context of school uniforms and clothing choices.。

Unit 7 What is the highest mountain in the world?第一课时Section A (1a­2d)【学习目标】1.重点单词：square，meter，deep，desert，population，Asia，wall，tour，tourist，ancient，protect，wide2．重点短语：man­made objects，as far as I know3．重点句式：Qomolangma is higher than any other mountain in the world.What is the highest mountain in the world?China has the biggest population in the world.It's a lot bigger than the population of the US.It has a much longer history than the US.China is almost as big as the US.Did you know that China is one of the oldest countries in the world?How long is the wall?The main reason was to protect China.As far as I know，there are no man­made objects as big as this.Is Badaling part of the Ming Great Wall?【学习重点】1．重点短语和句型2．形容词和副词比较级和最高级的用法【学习难点】1.重点短语和句型2．形容词和副词比较级和最高级的用法【自主学习】一、预习课本P49­50新单词并背诵，完成下面的汉译英。

Unit 7 What’s the highest mountain in the world?Section A 1a—1c 教学设计课时安排1问题聚焦有效利用小组合作提高教学效率教学目标1、知识目标：掌握本节课重点单词和句型： square， meter ，deep，desert /What is the highest mountain in the world ? Qomolangma.学会较大的数字的读法和写法。

2、能力目标：能熟练掌握和运用单词square meter deep 和desert 能够表达物体的长、宽、高、深和面积。

正确运用形容词和副词的比较级和最高级。

3、情感目标：培养学生积极参与活动的兴趣，了解世界上的名山大川。

教学重点与难点重点：1.学会较大的数字的读法和写法。

2.正确运用形容词和副词的比较级和最高级。

难点：能运用本节所学内容自由谈论自然景观。

教学方法自主学习，听说法及小组合作探究教具学具Multi-Media. PPT，Tape-recorder.教学过程设计教师活动学生活动The students look at the pictures carefully andanswer some questions.学生回顾比较级和最高级的构成.The students learn new words and repeat itloudly.学生进行抢答。

认真核对答案，并提出自己的困惑。

The students finish the required task 1a andlearn how to read and write these bignumbers.The students listen to the 1bcarefully andcomplete the sentences.Step 1. Lead-inIn the world there are many beautifulmountains, rivers, seas, oceans, deserts. Do you want to know any of them? Now I Willshow you some pictures, Let's have a look. Step 2. Presentation1.Have a revision:形容词和副词的比较级和最高级的构成2.教师利用多媒体创设情境，出示图片来学习本节单词Qomolangma high meter Nile square Caspian deep Sahara desert 。

（课题）Unit 7 Would you mind turning down the music?教学目的 1.掌握本单元重要词汇及短语掌握单元习惯用法和语法现象背诵课文3a部分重重点、难点请求与应答的表达方式教学过程一、单元词汇以及短语1. turn down2. not at all3. get out of4. right away5.at a meeting6. go to a movie7. wait in line8. a shop assistant9. all the time 10.cut in line11.a bit12. get annoyed 13. store clerk二、单元句型1. –Would you mind turning down the music?--No, not at all.1) Would you mind doing… ? 用来客气地提出请求、要求的方式之一，也可以说成Would you mind one’s doing… 意为“您介意……？”“做某事你介意吗？”。

其否定形式为“Would you mind not doing…?”,在回答时用yes表示介意，no表示不介意。

-- Would you mind closing the door?-- No, not at all./ Yes, I do.2)mind 的用法A．作为动词，表示“介意，在乎，反对”。

后通常跟名词、动名词或代词做宾语。

Do you mind my smoking?B. 作为名词，表示“想法，意见”You are always changing your mind.3)turn down 关小，调小；反义词为turn up4)not at all 的用法A. “一点也不”，用在否定句中，用来加强语气，表示程度。

I don’t like fish at all.B. 用在交际口语中，表示“不用谢，别客气；一点也不介意”-Would you mind my opening the window?-No, not at all.-Thank you very much. –Not at all.5)the musicmusic前一般不加冠词，但是如果特指某一段音乐时，music前需加定冠词I like the music in the soap opera.2. Sorry, I’ll do it right away.1)此句是对Would you mind doing… ?的肯定回答，即马上去做对方建议、请的事情，也可以用OK, I’ll do it in a minute.的形式回答表达 “不介意”。

Unit 7 What ’s the highest mountain in theworld?Section A (1a~2d)教课目标【知与技术】1.言目：掌握本元要点及能用比和最高各之最。

2.技术目：能听懂和有关地理和自然的。

【感情、度与价】培育学生大自然，保境的意。

教课重难点【教课要点】1.学会使用比、最高。

2.正确使用有关原、比、最高的句型。

【教课点】1.不形容、副的比和最高形式，特别是多音形容及副。

2.灵巧运用比、最高自然景。

教课准备片、、多媒体等教课过程Step 1 Warming upStep 1 Presentation1. New words:square n.平方meter n.米deep adj .深的desert n.沙漠population n.人口population n. 人口Asia n.洲tour v. n.旅行tourist n.旅行者wall n.amazing adj.令人大惊诧的ancient adj. 古代的wide adj.的；和2.Show some pictures and information of the highest mountain, the longest river, the biggest river,the biggest lake and the biggest desert in the world.Step 2 Warming up1. Watch the photos and talk about them“ How big/high/long/big is⋯ ?’and help the students toanswer: It’ s⋯ meters/kilometers/cm gh/long/bigbig/hi.2.Look these photos and practice the dialogue:e.g. A: How high is Qomolangma?B:It ’ s 8,844.43 meters high.Step 3 1a Match the facts you know.Qomolangma The SaharaThe Caspian Sea The Nile about 9,600,000 square kilometers in size 1,025 meters deep6,671 kilometers long8,844.43 meters highStep 4 Explanation⋯8,844.43 meters high. 8,844.43 米高⋯ meters high (long, wide⋯)⋯⋯米高（ ,⋯⋯)。