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The Third Period—Section B(1a－1e)Teaching Important Points 【教学重点】Key words & phrases：stop doing sth.，recycle sth.，turn off，paper napkins2.It's hard to stop riding in cars.3.We really shouldn't use paper napkins.Key structure：doing；used to＋do；have/has ＋done；be＋done；should＋do”．Teaching Difficult Points 【教学难点】★Use the structures to talk about environmental protection in the listenin g and speaking practice.Teaching Aids 【教学工具】A tape recorder，CAI or multimedia courseware.Teaching Steps 【教学过程】★Step 1 Leading in 【新课导入】1．Greeting2．BrainstormingAsk these questions：What can we do to help our environment？How can we help to stop air/land/water pollution？What can we do at school?3．Practice with more students.★Step 2 Cooperative inquiry 【合作探究】1．Finish the task in 1a①Play videos about environment to lead the students into the lesson.②Get the students to make a list of the ways of what we can do to save the earth，using the results of the discussion at step 1.Then say in which ways they have done well.③Read the items in 1a and rank them from 1 to 5.2．Finish the task in 1b①T：Do you often do these to help the earth？Talk with each other.②Ask different students to say out their sentences in class.3．Finish the task in 1c①Read the introduction of 1c and read the phrases in the first column.Learn the meaning of them.②Play the recording for the first time.Students check the things that Julia and Jack talkabout.Check the answers with the class.4．Finish the task in 1d①Read the introduction of 1d.Play the recording for the second time.②Get the students to finish the task in 1d.③Play the recording once more.Students repeat and check the questions.④Check.Ask the students to say out the complete sentences.5．Finish the task in 1e①Read aloud the conversation.Then ask a few pairs to role－play the conversation.②Read the example conversation in 1e.Then students work in pairs.Role－play.③Ask three pairs to say out their conversations to the class.④Write their conversations in the exercise books.★Step 3 Homework1．Make conversations about saving the earth with other students after class.2．Write a conversation to talk about what we can do to help the environment.3．Translate the following sentences into English.(1)那女孩以前用纸巾。
检测内容： Unit 13 We're trying to save the earth!得分________ 卷后分________ 评价________一、单项选择。
(10×2分＝20分)(C)1.Mr. Green decided to turn the garden ________ a playground ________ his children.A．from；to B．from；for C．into；for D．into；to(D)2.We'd better not use ________ material in order to protect the environment.A．ugly B．wooden C．plastic D．reusable(B)3.—Why don't you buy the computer？—It's too expensive. I can't ________ it.A．cost B．afford C．pay D．spend(A)4.The hotel is not very modern, but it does have the ________ of being close to the city center.A．advantage B．conditionC．inspiration D．creativity(A)5.Remember to ________ the light when you leave the room.A．turn off B．turn onC．turn down D．turn up(C)6.During the last ten years, our city has changed a lot. Many old houses were ________.A．turned off B．thrown awayC．pulled down D．brought back(C)7.—Dad, must we wait until the light becomes green？—Yes, I'm afraid we ________．That's the traffic rule.A．can B．may C．have to D．need(D)8.My teacher often says that mistakes should ________ in time.A．correct B．be correctingC．have corrected D．be corrected(A)9.Diana used to ________ to work, but now she is used to ________ because the road is crowded and she wants to keep fit.A．drive；walking B．drive；walkC．driving；walk D．driving；walking(B)10.The number of tall buildings ________ greatly in Tianjin in the last few years.A．is increasing B．has increasedC．are increased D．have increased二、完形填空。
Unit 13 We’re trying to save the earth!Section A 1a-2d一、根据句意及首字母或汉语提示，写出句中所缺单词1. C________is burnt to heat people’s houses.2. Don’t throw l________everywhere. We should keep our classroom clean.3. -How much did the new computer c________?-About 5,000 yuan.4. We should see________(塑料的) bags as few as possible.5. Do you know the________(优点) of walking to work?二、用所给单词的适当形式填空1. Everyone in the class is asked to play a part in________(keep) the classroom clean.2. The river was so badly polluted that there were no more fish for fishermen________(catch).3. We should do something to stop air________(pollute).4. We bought a________(wood) desk yesterday.5. ________(ride) a bike is one of the ways to clean up the air in the city.三、单项选择( ) 1. -Wow, your sweater is very beautiful! How much is it?-Thank you. It________me 30 dollars.A. spentB. paidC. costD. took( ) 2. To live a low-carbon life, we must remember________the lights when we leave the room.A. to turn offB. turning offC. not to turn offD. turn off ( ) 3. The mother got________when she heard the bad news.A. worryB. worryingC. worriedD. to worried( ) 4. ________Jane________Peter is warm-hearted. They’re popular with our class.A. Both, andB. Not only, but alsoC. Neither, norD. Either, or( ) 5. -I think we should take action to protect the endangered animals.-________.A. So I doB. Me neitherC. Me, tooD. So I am四、根据汉语意思完成英语句子，每空一词1. 保护环境，人人有责。
