九年级英语unit13,Section A Grammar Focus-4c

1、Section AGrammar Focus 4c短语温顾短语温顾1. 河床底部河床底部_ 2. 充满了垃圾充满了垃圾_3. 产生影响产生影响_ 4. 听说听说 _5. 到目前为止到目前为止_ 6. 对对有害有害_7. 的数量的数量_ 8.给给带来危险带来危险_9. 不但不但而且而且_ 10. 砍掉；割掉砍掉；割掉_【课前准备课前准备】the bottom of the riverbe harmful tohear ofbe full of rubishthe number ofbring danger tonot only but alsocut offso farmake a differ

2、ence短语知新短语知新1. 参加参加_ 2.代替代替 _ 3. 采取行动采取行动_ 4. 关掉关掉_ 5. 付费付费_ 6. 累加累加 _7. 使用公共交通使用公共交通_ 8. 负担不起做某事负担不起做某事_ 【课前准备课前准备】cant afford to do sth.take part ininstead oftake actionturn offpay foradd upuse public transportation1. The shoes are so expensive that I cant _(买得起）买得起）them.2. We should use_ (可重复使用的）

3、可重复使用的）chopsticks when we eat outside.3. What do you think of the _ (交通）交通）in China?4. The Spring Festival is _ (认为是）认为是）the most important festival in China.5. We can save _ (电）电）by turning off the lights when we leave a room.自学自查：根据汉语提示完成单词。自学自查：根据汉语提示完成单词。affordreusabletransportationconsideredele

4、ctricity典型例句典型例句所用语法所用语法Make up newsentences We are trying to save the earth. The river used to be so clean. The air is badly polluted. No scientific studies have shown that shark fins are good for health. We should help save the sharks.现在进行时现在进行时 am/is/aredoing语法总结语法总结读读 Grammar Focus 表格内的句子，理解每个句子

5、所用的表格内的句子，理解每个句子所用的时态、语态、情态动词及时态、语态、情态动词及used to 结构。结构。 Discuss in pairs/ groups.used to do一般现在时被动语态：一般现在时被动语态： am/is/aredone现在完成时：现在完成时：has/havedone情态动词情态动词doHave you ever take part in an environment project? What should you do to save the environment? turn off the lights when use the paper bags. w

6、alk to schoolWe can _.Leadin 4a.4aFill in the blanks with the correct forms of the verbs in brackets.Joe: _ you ever _ (take) part in an environmental project ?Eric: Yes, I have. I _ (help) with a Clean-Up Day last year. It was _ (consider) the biggest clean-up project this city _ ever _ (have).Have

7、 takenhelpedconsideredhadhad参加参加Joe: How many people _ (take) part?Eric: 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.Eric: Yes, we cant afford to _ (wait) any longer to take action!tookthinkcametryi

8、ngwaitv. 承担得起承担得起( (后果后果) ); 买得起买得起4bFill in the blanks with the appropriatemodal verbs from the box.People _ think that big things_ be done to save the earth. Many forget that saving the earth begins with small things. For example, you _ savemay/mightmustcancan would couldhave to should mustmay/ mi

9、ghtelectricity by turning off the lights when you leave a room. You _ also 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. A

10、ll these couldhave to can/shouldcan/could关掉关掉adj.可重复使用的可重复使用的付费付费;付出代价付出代价small things _ add up and become big things that _ improve the environment. Lets take action now!couldwould/can采取行动采取行动4cMake a list of things that people can do to help the environment and discuss your list with your partner.

11、use public transportation (n.交通运输交通运输);turn off the lights when you leave a room;use reusable bags instead of plastic bags;ride your bike or walk to school or work;stop using paper napkins(餐巾纸餐巾纸);recycle books and papergrow more plantsreduce the use of air conditions in summer1.The girl always has

12、some money to _ snacks A. spend B. pay for C. take D. cost2. Its getting dark. Please _ the light. A. turn on B. turn off C. turn down D. turn around 【当堂检测当堂检测】 . 单项选择单项选择BA3. How does Jack usually go to work? He _ drive a car, but now he _ there to lose weight. A. used to; is used to walk B. was us

13、ed to; is used to walking C. was used to; is used to walk D. used to; is used to walking 4. At present, one of the best ways to study is working in groups. More chances _ to students to learn from each other. A. offer B. are offered C. have offered D. are offering BD. 根据汉语意思完成句子。根据汉语意思完成句子。5. 我们必须采取

14、行动来阻止他们。我们必须采取行动来阻止他们。 We must _ to stop them. 6. 我从没听说过这个人。我从没听说过这个人。 I have never_ such a man. 7. 到目前为止，我已经交了二十个朋友。到目前为止，我已经交了二十个朋友。_ I have made twenty friends. 8. 实际上，她从没去过那儿。实际上，她从没去过那儿。 _, she has never been there.In facttake actionheard ofSo far 保护人类共同的家园保护人类共同的家园地球是每个人的责任和义务。我们在生活中的点滴小事上也地球是每个人的责任和义务。我们在生活中的点滴小事上也 能做出自己的贡献。谈一谈曾经为保护环境做过哪些努力，将来还打算如何去做。能做出自己的贡献。谈一谈曾经为保护环境做过哪些努力，将来还打算如何去做。 要求：要求： 1. 词数不少于