九年级英语unit13period4.ppt

1、Unit13 Were trying to save the earth!,Period 3 Section A (Grammar Focus-4c),1.在河床底部_ 2. 充满了垃圾_ 3. 产生影响_ 4. 听说 _ 5. 到目前为止_ 6. 对有害_ 7. 的数量_ 8.给带来危险_ 9. 不但而且_ 10. 砍掉；割掉_,the bottom of the river,be harmful to,hear of,be full of rubish,the numbers of,bring danger to,not only but also,cut off,so far,make

2、a difference to,B短语知新 参加_ 2.代替 _ 3. 采取行动_ 4. 关掉_ 5. 付费_ 6. 累加 _ 7. 使用公共交通_ 8. 负担不起做某事_,cant afford to do sth.,take part in,instead of,take action,turn off,pay for,add up,use public transportation,1). The shoes are so expensive that I cant _(买得起）them. 2). We should use_ (可重复使用的）chopsticks when we eat

3、 outside. 3). What do you think of the _ (交通）in China? 4). The Spring Festival is _ (认为是）the most important festival in China. 5). We can save _ (电）by turning off the lights when we leave a room.,afford,reusable,transportation,considered,electricity,现在进行时 am/is/aredoing,语法总结,读 Grammar Focus 表格内的句子，理

4、解每个句子所用的 时态、语态、情态动词及used to 结构。 Discuss in pairs/ groups.,used to do,一般现在时被动语态： am/is/aredone,现在完成时：has/havedone,情态动词do,4a. Fill in blanks with the correct forms of verbs. Joe: _ you ever _ (take ) part in an environmental project? Ken: Yes, I have. I _ (help ) with a Clean-Up Day last year. It was

5、_(consider) the biggest clean-up project this city _ ever _ (have). Joe : How many people _ (take ) part? Ken: I _ ( think) more than 1,000 people _(come) to help out. Joe : Thats fantastic! I guess everyone in this city is _(try) to improve the environment. Ken: Yes, we cant afford to _ (wait) any

6、longer to take action.,Have,taken,helped,considered,had,had,took,think,came,trying,wait,People _ think that big things _ be done to save the earth. Many forget that saving the earth begins with small things. For example,you _save electricity by turning off the lights when you leave a room.You _also

7、use reusable bags instead of plastic bags. I think its a great idea that you now _pay for plastic bags in some stores, And instead of driving to school or work, you _ ride your bike or walk. If its far,you _ take the bus. All these small things _ add up and became big things that _ improve the envir

8、onment. Lett take action now!,4b.Fill in blanks with the proper modal verbs in the box.,can would could have to should must May /might,may/might,have to must,should can could,should can could,should can could,have to,can/ could,can/ could,would can could,用方框中所给词的适当形式填空。 1. Dont throw _ everywhere. 2

9、. In winter, many people burn _ to keep warm. 3. The police found a body at the _ of the lake. 4. The _ of living in big cities is very high. 5. He keeps a rabbit in a big _ box.,cost,wooden,coal,bottom,litter,1. He _ go out with his parents, but now he _ staying at home alone. A. use to; is used to

10、 B. is used to; used to C.use to; used to D. is used to; is used to 2. The interesting book _ me 10 yuan. A. took B. paid C. spend D. cost 3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in 4. Smoking can _lung cancer. youd bettter give it up. A.work on B.lead

11、to C.take away D.put out 5. What are the _ of bike riding? - It can help cut down air pollution. Aadvantage Breasons Cresults Dideas,1. 多一个人少一个人无所谓。 One person wouldnt _ _ _. 2. 这个木箱时装满了书。 The _ box _ _ _ books. 3. 不健康的饮食对这种疾病的传播起一定的作用。 Unhealthy foods _ _ _ _ the spread of the disease. 4. 这条小路通向公园。

12、 The path _ _ the park. 5. 我错拿了你的包。 I took your bag _ _ mine by mistake.,wooden is full of,make a difference,lead to,paly a part in,instead of,Have you ever take part in an environment project? How should you do to save the environment?, turn off the lights when use the paper bags. walk to school,We

13、 can _.,Leadin 4a.,use public transportation 2. take reusable bags when you go shopping 3. turn off the lights when you leave the room 4. grow more plants 5. reduce the use of air conditions in summer .,4c. Make a list of things that people can do to help the environment and discuss. Groupwork.,A: I think that everyone should use public transportation B: I disagree. Its difficult for parents with young children to use public transportation.,保护人类共同的家园地球是每个人的责任