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七、教学过程： | | | | | | | 通过学生小组汇报的形式，让学生说说噪声污染的危害。 | | 通过学生比赛的方式,让学生说说所知道的减少污染的方法。 |
Step 1 Review Show some pictures to the students, then ask: Now please look at these pictures. Would you like to say something about the environment around us? Please file:///C:/DOCUME~1/ADMINI~1/LOCALS~1/Temp/msohtml1/01/clip_image002.gifanswer my questions. No.1. where do you live? No.2. Are there any changes in your village/town/city? What changes have taken place in your village…? No.3. How do you like living there? Why? (What problems do we have to face?) Step 2 Presentation Show some pictures about polluted water, ask the students to tell their partner what happened in the picture? Then teach the words: Chemical factory produce chest breathe Get the students to look at the pictures and then talk about why the air smells terrible. Listen to the tape again. Answer the following questions (1) Who are in the picture? (2) What are they talking about? (3) Is the chemical factory near Granny’s home? (4) Can we find fish in the river? (5) Is the sky blue? Step 3 Read and say. Get the students read 1a and answer the questions: 1. What’s the matter with granny? 2. Will she stay here? 3. Does she have to see a doctor? And then call the students find out the sentences used by granny to express complaint. Then do 1b in the class. Step 4 Practice Get the students Look at the pictures. Answer following questions. (1) Are there any chemical factories in your city? (2) Are they near your school? (3) What was your city like a few years ago? (4) Can you list some other kinds of pollution? Ask the students to think about how the pollution come into being and realize the harm of the pollution. Step 5 Work alone Get the students define the following pollution with the phrases in 3a. Step 6 Make a survey Now make a survey to study something around your home. Fill in the forms. | | Possible diseases or influences | | | | | | | | | | | | | | | | | | |
一、中考链接 选择题 ( )1.—How long _____ you _____ here? —For about two years so far. A.have; studied B.did; live C.do; stay D.were; swimming ( )2.We have known each other _____ ten years ago. A.for B.ever C.about D.since ( )3.There is _____ pollution in the world. We must stop it. A.much too B.too much C.many too D.too many ( )4.—Is the flower beautiful? —Yes, at _____ it’s _____ the one you bought for me. A.last; as bad as B.least; no better than C.last; not better D.least; no worse than ( )5.I can’t stand _____ for you so long. A.to wait B.waiting C.waits D.waited ( )6.The boss made child laborers _____ 12 hours every day. A.working B.works C.work D.to work ( )7._____ the environment is important for human beings. A.Take care of B.Taking care of C.Took care of D.Take the care of ( )8.—Have you finished your homework? —Not _____. There are still some exercises to be done. A.already B.yet C.just D.ever ( )9.—It smells terrible. What has happened here? —Look, there is much waste gas _____ from the chemical factory. A.pour B.pouring C.poured D.pours ( )10.When I was walking in the street yesterday, I saw a UFO _____ over my head. A.flying B.flies C.flew D.to fly 二、本话题作业 单项选择 ( ) 1. — Don’t make any noise in the living room! My baby is sleeping. — A. Sorry, I won’t. B. It doesn’t matter. C. Excuse me, I’m wrong. D. Certainly, I won’t. ( ) 2. — I asked her, “Do you study English here?” — I asked her she studied English there. A. that B. what C. if D. how ( ) 3. Thanks for giving me many presents. I haven’t never seen beautiful presents in my life. A. so; such B. such; so C. so; so D. such; such ( ) 4. — How long has he this book? — For several days. A. borrowed B. bought C. lent D. kept ( ) 5. Maria’s learned Chinese in our school all the time, ? A. isn’t she B. doesn’t she C. didn’t she D. hasn’t she ( ) 6. The meat has been kept in the bag for several days without being frozen. It smells now. A. nice B. terrible C. well D. badly ( ) 7. What’s more, planes or machines produce noise. A. much too B. many too C. too much D. too many ( ) 8. She told me she to America next Thursday. A. goes B. went C. going D. would go ( ) 9. There is a paper factory waste water into the river nearby. A. poured B. pouring C. pours D. pour ( ) 10. I can’t stand for you so long. A. to wait B. waiting C. waits D. waited Ⅱ.词汇 (A) 根据句意，用所给单词的适当形式填空。 1.Look, there is a bird _____ (sing) in the tree. 2.The bad air makes my chest hurt and it’s difficult for me _____(breath). 3.They are doing their homework carefully. You’d better not _____(disturb) them. 4.Litter _____ (influence) the look of our city. 5.It is known that smoking does great _____(harm) to us. (B) 根据句意及汉语提示完成句子。 6.The chemical factories _____ (生产) terrible gas. 7.Each year people pour _____ (废物) into rivers, lakes and so on. 8.There are _____ (几个) students reading books over there. 9.Do you know he has _____ (参军) for five years? 10.Loud noises can cause high _____ (血) pressure as well. Ⅲ.书面表达 人类只有一个地球。根据提示，以“Saving the Earth”为题，写一篇80词左右的短文。 提示: 1.如何保护环境已成为世界最大难题之一； 2.各种污染破坏环境，损害健康； 3.不要乱倒垃圾，乱排废水； 4.我们应该保护环境，使我们的家园更加美丽。 ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ | 
发表于 2013-10-17 09:01:39
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