仁爱版九年级英语上册教学课件：Unit 2 Saving the earth. Topic 2 All these problems are very serious.Section B （共15

课件15张PPT。Topic 2 All these problems are very serious. Section B Unit 2 Saving the EarthWelcome to Class 71,Xingyuan Middle School! Teaching aims: (教学目标）
1. Learn the usages of indefinite pronouns.
学习不定代词的用法。
2. Know something about air pollution further.
探究空气污染。
3. Help students summarize what should / shouldn’t do as students and enhance students’ awareness of protecting the environment.
讨论学生应该、不应该做什么来提高环境保护意识 Air pollutionWhat can you see in the pictures?Task 1: Talk about the pictures.看图并讨论Task 2: Talk in pairs after the example. 两人一组编对话Example:A: Do you know air pollution is a serious problem?
B: Yes, I do./ No, I don’t.
A: What causes air pollution?
B: The factories produces waste gas./….
A: What are the effects of air pollution?
B: It is hard for people to breathe./…
A: What should/ shouldn’t we do to protect the environment?
B: As students, we should/shouldn’t.…factorycarsmoke and dustfire1. ( ) The article is about the noise pollution in China.
2. ( ) China has become the second largest producer and user of coal in the world.
3. ( ) The government is doing something useful to protect the environment.
4. ( ) None of us likes pollution.
5. ( ) Everyone should care for wild animals and plant fewer trees.FFTT airTask 3: Listen and mark T or F.听对话，判断正误Fmore largestTask 4: Read 1a in groups and act it out.共同体内分角色朗读课文并表演1. What are Kangkang and Michael talking about?
2. Why is air pollution a serious problem in China?
3. Is the government doing something useful to protect the environment?
4. What should we do to protect the environment?
5. Do you think it is important for us to care for wild animals and plant more trees?Because China has become the world’s largest producer and user of coal.Yes, it is.They are talking about air pollution in China.Yes, I think so.We should care for wild animals and plant more trees.Task 5: Answer the questions.回答问题
1. 有关中国的空气污染问题
2. 世界上最大的煤炭生产国和消费国
3. 采取有效措施
4. 为了保护环境
5. 我们当中没有人
6. 到处丢垃圾
7. 在公共场合随地吐痰
8. 践踏草坪或采摘花朵
9. 保护野生动物
10. 尽我们所能
about air pollution in China do something usefulnone of usspit anywhere in publiccare for wild animalsdo everything we canthe world’s largest producer and user of coalto protect environmentwalk on grass or pick flowersleave rubbish here and thereTask 6: Find out the phrases.找短语Task 7: Retell the conversation.复述对话 Kangkang is reading an article about ______ pollution in China. It says that China has become the world’s ________ producers and _______ of coal.
As a result, air pollution has become a serious problem. But the government is doing __________ ________to protect the environment. We should do ____________ we can to protect the environment. We ____________ leave rubbish here and there. Don’t ________ anywhere in public. Don’t walk on grass or ______ flowers. Everyone should ______ ______ wild animals and plant more trees. airlargestusersomethingusefuleverythingshouldn’tspitpickcareforTask 8: Make a report.做报告 There are many kinds of pollution around us. Such as air pollution, soil pollution, water pollution, light pollution, noise pollution and litter. Please choose one kind of pollution to discuss the following questions in groups and then make a report.
Question:
1. What causes the pollution?
2. What are the bad effects of pollution?
3. What can you do to protect the environment?Example: We think air pollution is a serious problem in Hengshan. Burning gas, oil and coal creats air pollution. The chemical factories and cars also produces terrible gas. It does harm to people’s health. It causes sore eyes and cancer. We should ….We learn:Some words:
2. Some phrases:
3. Some sentences :
We can:Task 9 Summary1. Use the indefinite pronouns correctly.
2. Use the proper ways to protect the environment.①None of us likes pollution .
②Don’t spit anywhere in public.
③Everyone should care for wild animals and plant more trees.
④We should do everything we can to protect the environment.
do something usefulnone of usspit everywhere in publicwalk on grass or pick flowersthrow here and therenone, rubbish, wild, nobody,Task 10 Quiz单项选择
( )1. Mr. Chen came in and said he had _____ to tell class.
A. anything important
B. important something
C. something important
( )2. We should do our best ______ the environment.
A. protect B. to protect C. to protecting
( )3. All the students have gone on a field. There is ____ in the classroom.
A. nobody B. somebody C. anybody
( )4. ______ the girls has been to college.
A. Two of B. All of C. None of
( )5.——Is there _________ in today’s newspaper?
——No, there’s ______________.
A. anything special; nothing unusual
B. something special; nothing unusual
C. special anything; unusual nothing二．用something, anything, everything, nothing,somebody,anybody,nobody,
everybody选词填空。
1. There is ________ in the room. It is empty.
2. ——Could you give me __________ to drink?
——Sure. Here you are.
3. Listen! __________ is knocking at the door.
4. ——Kangkang, is ___________ here today?
——No, Jim isn’t here. He is ill.
5.——Jim, can you see the words on the blackboard?
——Sorry, I can’t see ___________.
nobodysomethingSomebodyeverybodyanything 1.Read 1a.
2.Memorize the useful expressions and key sentences which we learn today.
3.Finish exercise in your workbook.
4.Preview Section C.Task 11 HomeworkGood-bye!Thank you for your listening!