新人教版九年级英语下册《nit 13 We're trying to save the earth!Section A 2a—2d》教案_12

1、Unit 13Were trying to save the earth!Section A(2a2d)教学设计一、教学目标：1. 语言知识目标基本词汇：coal，ugly，advantage，cost，wooden，plastic，takeaway，bin.基本词组：be harmful to, at the top(of sth.), take part in, turn off, take action基本句型：Were trying to save the earth!The river used to be so clean.The air is badly polluted.2.

2、技能目标: 能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。3. 情感目标: 有环境危机意识，学会关注环境保护环境。二、教学重难点：1. 教学重点：（1）能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。（2）保护环境的措施方法。2. 教学难点：能正确运用现在进行时，现在完成时，被动语态，情态动词和used to 句型。三、教学步骤:I. Revision.Ask students to work in groups of four to talk about the questions below。1.Talk about thepoll

3、utionin your hometown.2.What caused the pollution？3.How to cut down the pollution？. Listening1. 2a Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollution B. air pollutionC. noise pollution D. water pollutionKeys: B A2.2b Listen again and complete the

4、 sentences.1) The air is badly polluted because there are _ on the road these days.2) Factories that burn coal also _ the air with a lot of black smoke.3) There is also too much rubbish and waste. People _ things every day.4) People are also littering in _ like parks. This is turning beautiful place

5、s into ugly (丑陋) ones.Keys: more cars pollute are throwing away public places3. Listen again and answer the questions.1）. Who attended the interview? 2）. What do people throw away everyday? 3）. What will they talk about next?Keys:1）. Jason and Susan.2）. People are throwing things like wooden chopsti

6、cks, plastic bowls and plastic bags.3）. They will talk about the things they can do to help solve the problems.4. 根据句意及所给单词完成句子。 1）. 因为这些天路上有更多的汽车，所以空气被严重污染了。The air is badly _ (pollute) because there are _ _ (car) on the road these days.2）. 烧煤的工厂因为很多黑烟也污染着空气。Factories that burn coal also _ (pollute

7、) the air with a lot of black smoke.3）. 这儿也有过多的垃圾和废物。人们每天都在扔着东西。There is also too much rubbish and waste. People are _ (throw) things every day.40. 人们也在像公园这种公共场所扔垃圾。People are also _ (litter) in _ like parks.Keys：1).polluted， more cars 2).polluted 3).throwing 4). littering， public places. Practice (

8、2c)Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: The air has become really polluted around here. Im getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that. DiscussionAsk students what we should do to save the

9、 earth. Help students answer, turn off thelights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper. Reading1. Listen to the conversation and answer the questions.1）. Whats the way to solve the air pollution? 2）. Whats the way that Jason and Susan

10、 both do to solve the waste pollution?2. Role-play the conversation. Make conversations with your partner to role-play Jason, Susan and the interviewer to talk about the solutions.Eg：A: What are your ideas for cutting down the pollution?B: To cut down the pollution, we shouldA: So together, our acti

11、ons can make a difference and 3.Free talkCan you find the solutions mentioned in the conversation? List them.What other ways can you find to solve the problems? Try to talk with your partner.Eg：Take the bus or ride a bike instead of driving.Bring a bag instead of plastic bags when shopping.Try not to use the things that can only be used one time.Remember to t