Module4SandstormsinAsia复习学案外研版必修3

1、module foursandstorms in asia 单元目标：1 词汇sandstorm, frightening, inland, mass, campaign, dune, desertification, process, citizen,dues, forecast, strength, cycle, mask, atmosphere, carbon, dioxide, chemical, environment, garbage, melt, pollution, recycle, coastal, concerned, evidence, major, urgent, po

2、llute, complain, nutshell, scary, absolutely, protection.2 词组dig up, describe as, cut down, be caught in, as a result of, wake up to, one after another,small bits of, in a weeks time, take in, give out, have a bad effect on，look through.3 重点句子1) deserts also created because people cut down trees and

3、 dig up grass.2) to have been caught in a sandstorm was a terrible experience.3) i couldnt agree with you more.4) its absolutely hopeless.5) you are absolutely right.6) there are laws that do not allow people to burn too much coal.4 语法different types of infinitive：do, to do, to be doing, to have don

4、e, to have been done. for example：the wind is strong enough to move sand dunes.we were advised not to go outside.its frightening to be cycling to work in a sandstorm.to have been caught in a sandstorm was a terrible experience.expressions with but +infinitive：i cant help but agree.we do nothing but

5、talk about it.5 功能句式practice expressing strong opinions：i totally agree with you.i couldnt agree with you more.i think you are absolutely right.its extremely serious.absolutely!practice talking about how to improve the environment：we need to .we mustwe should.水平目标：talk about sandstorms in asia.pract

6、ice expressing strong opinions.practice talking about how to improve the environment.learn to use different types of infinitive and expressions with but +infinitivelearn to design a poster that encourage people to look after the environment.情感目标：了解世界环保情况，培养环保意识。reading and vocabulary step 1 pre-read

7、inga. look at the photo and answer the following questions.1. get ss to come up with as many words as possible while looking at the picture.2. what is happening?3. what is the cyclist wearing and why?4. what do you think happened to traffic in this situation? why?5. what do you think experts advise

8、people to do in this situation?b. predication if you are to write the article named “sandstorms in asia”, how many parts will you include in it? what will you write in each part?step 2 while-readinga. skimming and scanningread the passage quickly and fill in the diagram with one proper word.part 1(p

9、ara1) d_part 2(para2-5) c_ d_s_ i_ s_part 3(para.6) m_b. detailed reading1)read the passage carefully and answer the following question.1 what are sandstorms?2 in what places do they often happen?3 what does ren jianbos example tell us?4 are there sandstorms in china? where?5 have sandstorms in chin

10、a increased or decreased recently? why?6 why does traffic move slowly during the sandstorm?7 what does the government do to protect beijing from sandstorms?2) read the passage carefully and then fill in the chart with suitable words.partscontent details1major disaster2descriptioncauseinfluencesugges

11、tion3measuresstep 3 post-readinga. decide if the following statements are true ( t ) or false( f ). scientists have tried many ways to deal with sandstorms land becomes desert only because people cut down trees and dig up grass.the chinese central west station can not forecast sandstorm before it co

12、mes.the desert is 25o kilometers away to the west of beijing. so there is no need to take some measures. southwest china is part of the sandstorm center in central asia.b. read the text again and complete the following sentences1.the winds in a sandstorm can sometimes_ 2.when ren jianbo was living i

13、n inner mongolia _ 3.sandstorms in china appear to have increased _4.cutting down trees and digging up grass can_5. traffic moved slowly because _6.the government is planting trees to the west of beijing to_step 4 language explanations1 mass adj. 大规模的 a mass campaign 一场大规模的战役n. 团,块,堆a mass of clouds

14、 /hot aira mass of =masses of 许多,大量the masses 群众2 be caught in 被困于,遇到he was late for work yesterday afternoon because he was caught in the traffic jam.charles chaplin was once caught in a snowstorm for several days.3 appear v. 1) 出现,出版,发行his book will appear in the bookshop next week.a smile appeare

15、d on his face when he heard the good news.2) 看起来,似乎。 系动词she appeared very tired.she appears to want to leave.4 prevent somebody from doing, stop somebody from doing,keep somebody from doing阻止某人做某事。note: keep sb. from doing 中from 不可以省略, 因为keep sb. doing 意为：让某人一直做某事。其他两个词组中from省略后意思不变。im sorry to keep

16、 you waiting so long. 很抱歉让你等了这么久。we must keep him from complaining all day.我们不能让他整天抱怨了。grammar不定式step 1 presentationlook at the examples a-f. the underlined phrases are examples of different types of infinitive.a. the wind is strong enough. it can move sand dunes.the wind is strong enough to move sa

17、nd dunes.b. we were advised, “ dont go outside.”we were advised not to go outside.c. im cycling to work in a sandstorm and its frightening.im frightening to be cycling to work in a sandstorm.d. there is nothing anyone can do.there is nothing to be done.e. i am the only person in my family who has be

18、en in a sandstorm.i am the only person in my family to have been in a sandstorm.f. ive been caught in a sandstorm. it was a terrible experience.to have been caught in a sandstorm was a terrible experience.step 2 explanationsi 动词不定式的时态和语态形式 时 态主 动被 动 一般式 to doto be done进行式 to be doing完成式 to have done

19、 to have been done1. 动词不定式的一般式：表示与主动词处于同一时间层面或动作发生于主动词之后。 eg: he seems to understand what i said i hope to visit paris again. 2. 动词不定式的进行式：表示与主动词同时发生且动作正在进行。 eg: the two cheats pretended to be working hard. 3. 动词不定式的完成式：表示不定式动作发生于主动词之前。 eg: she seems to have seen this film. he happened to have gone

20、out when i went to see him 4. 动词不定式的被动式：表示与逻辑主语之间的被动关系。 eg: the meeting to be held tomorrow is about how to stop the pollution. i want to have been told the news earlier. 动词不定式的句法功能 不定式的句法功能是做主语，表语，宾语，宾语补足语，主语补足语，定语，目的状语和结果状语，分别给出一个例句 ： 1） to master a foreign language is necessary for a college stud

21、ent. (主语) 2） your job is to wash dishes.（表语） 3） she promised to give him a chance. (宾语) 4） the teacher told his students to pay attention to their pronunciation.（宾语补足语） 5） i was asked to help him with his lessons.（主语补足语） 6） have you got a pencil to draw pictures with?（定语） 7） some scientists went to

22、germany to attend a medical conference.（状语） 8） he was too excited to say anything.（状语） 不定式的复合结构 1）“疑问词+不定式”可以做主语，宾语，表语，同位语。 the problem is how to persuade him to change his mind. 2) 带有逻辑主语的结构of/ for sb. to do sth the first thing to do is to clean the room. it is foolish of you to say such words.辨析：

23、it is + adj.+ of sb + to do sth.;/ it is + adj.+ for sb + to do sth. 差别：以上（1）结构中的adj是用来说明主语的特征的，并作其表语； 而结构（2）中的adj是用来说明句中动词的特征的。 eg: its foolish of you to do such things 可转化为：youre foolish to do such things. 但:its easy for you to learn english well不可以象上边那样转化。step 3 practice.ex1.fill in the blanks wi

24、th the verbs in their proper forms.1. its very kind of you _ it for me. (do) 2.my job is _ the students english. (teach)3.if you want _ with us, you should be ready by eight oclock.(go)4.i dare not _ him about it. (tell)5.he told me _ at six thirty. (leave)6.the children are warned _ in that lake. (

25、not swim)7.before you leave the room, please remember _ the light. (turn off)8.youd better _(stay) at home and _ (do) your homework.9.its too hard _ (do) it by myself. 10.it takes about two hours _ (get to) the station.11.its time _ our class. (start)12.i have a lot of things _ you. (tell)13.im very

26、 glad _ you again. (hear from)14.the article is not easy _ . (understand)15.we didnt have time _ a rest. (to have)16.ill try _ that again. (not do)17.johns wish is _ a writer in the future. (become)18.id like _ (go) to the summer palace.19.she doesnt know whether and when _ shanghai in two days. (le

27、ave)20.she is not sure how _ out the maths problem. (work)ex21. dont forget _ the letter.a. to send b. send c. sending d. being sent2. the chair looks very old, but in fact it is very comfortable to _.a. sit b. sit on c. be sat d. be sat on 3. is _ necessary to return the book tomorrow?a. this b. th

28、at c. it d. which4. im afraid they would not allow him _ here.a. to smoke b. smoking c. smokes d. smoke5. mother told me _ the water before i drank it.a. boiling b. boiled c. boil d. to boil6. on my way home, i stopped _ some food.a. buy b. to buy c. buying d. bought7. john was made _ the car for a

29、week as a punishment.a. to wash b. washing c. wash d. to be washing8. the sitting-room needs _, but itll have to wait until saturday.a. be cleaning b. to be cleaned c. clean d. being cleaned9. the first thing i want to do is _.a. visit to him b. to visit him c. visiting him d. visited him10. li yang

30、 advised me _ too much, otherwise i would have been drunk.a. not to drink b. to drink c. not drinking d. drinkingcant help but结构区别：cant help doing 禁不住 hearing that she was admitted to a famous college, she cant help jumping.1、不定式动词在介词but, except, besides等表示“除了”之意的后面时，如果这些介词之前有行为动词do的各种形式，那么介词后的不定式不带

31、to,否则带to。she could do nothing but cry. 她只有哭泣。tom did nothing except wait before his parents came home. 父母回家之前，汤姆只有等待。capitalists would do nothing besides make profit from the workers.资本家除了从工人身上榨取利益之外，什么也不顾及。what do you like to do besides swim?除了游泳你喜欢做什么？he did nothing else than laugh.他只笑笑而已。i have n

32、o choice but to accept the fact.除了接受这一事实，我别无选择。i have no choice but to go. 我别无选择，只有走。2. 在cant but, cant help but , cant choose but(不得不，只能)结构后，不定式不带to。i cant help but be sorry. 我只能说抱歉。there being no buses, he cant but walk home.由于没有公共汽车，他只能步行回家。he cant choose but accept the offer.他只能接受提议。i cannot but

33、 admire his courage.我只能钦佩他的勇气。we could not but weep at our bad luck.对于我们的厄运我们只能哭泣。its raining hard. i cannot help but stay at home.天在下大雨，我只好停在家里。they couldnt choose but stay there.他们不得不呆在那儿。必修三模块四复习学案i. 单词重现1. 沙尘暴 n.) _ 2. 吓人的可怕的 (adj.) _使.害怕(v.)_(感到)害怕的（adj.）_3. 内陆的(adj.) _ 4.大量的的，规模的(adj.)_ 5. 战役

34、活动 (n.) _6. 沙丘(n.) _7. 沙漠化(n.)_ 沙漠(n.) _遗弃的（adj.）_8. 进程 过程(n.) _9. 公民 市民(n.) _10. 沙尘 灰尘(n.) _沾满沙土的（adj）_11. 预报 预告(v. )_预报员(n.)_12. 力量 力气 (n.) _加强 增强（v）_13. 骑自行车(v.) _, 骑自行车者（n）. _14. 面罩(n.) _15. 大气（层），气氛(n.) _ 16. 碳 (n.) _ 17. 化学药品(n.) ，化学的（adj.）_化学（学科）（n.） _18. 环境(n.) _ 周围的，环境的（adj.）_19. 废料，垃圾(n.)_

35、20. 融化(vi.) _ 融化的，溶解的(adj.) _ 21. 污染（n.）_污染(v.) _22. 再循环 (v.n.) _23.沿海的（adj.）_海岸线（n.）_24.关心的，担心的(adj.)_25.证据，证明（n.）_明白的 明显的（adj.）_26.主要的 多数的（adj.）_多数 大半（n.）_27. 紧急的 (adj.)_迫切地（adv.）_28.污染（v.）_污染（n.）_29.抱怨（v.）_抱怨（n.）_30.简单一句话（n.）_31.恐怖的 吓人的 （adj.）_恐吓 惊吓某人（v.）_32.绝对地 完全地（adv.）_绝对的（adj.）_33.保护（n.）_保护（v

36、.）_ii.短语集锦1.砍到 _2. 阻止干 _ 3. 保护不受的侵害 _ 4. 只有做. _5. 挖出_ 6. 放出 发出 _7. 简言之 _ 8. 醒来后面对清醒地意识到 _9. 遭遇到 _ 10.吸收 欺骗 _11. 对有影响_12. 带走 拿走 _13. 一个接一个地_14. 允许某人做 _15.认真严肃地考虑_iii. 经典考题 课本回扣1.（课文原文）i couldnt agree with you more.(2007 山东23.) -have you been wasting time on computer games again?-_. ive been studying

37、a lot and i need a break.a.no way b. not really c. i dont agree d. i couldnt agree more2.(课文原文)there is nothing to be done.(2007.宁夏 25)-the last one_ pays the meal.-agreed!a. arrived b. arrives c. to arrive d. arriving3.(课文原文)the garbage is then taken away and, if possible, recycled.(2007.全国. 28)we

38、all know that ,_,the situation will get worse.a. not if dealt carefully with b. if not carefully dealt with c. if dealt not carefully with d. not if carefully dealt with4.(课文原文)the machine you had repaired went wrong , which made him angry ?.(2007.宁夏 25)you should understand the traffic rule by now

39、.youve had it _ often enough .a. explaining b. to explain c. explain d. explained5. (课文原文)they are often so thick that you cannot see the sun and the wind is sometimes strong enough to move sand dunes.(2007.上海 33)pop music is such an important part of society_ it has even influenced our language.a.a

40、s b. that c. which d. whereiv完成下列句子：1 in china, _(一场群众运动) has been started to help solve it.2 sandstorms in china_(好象有所增加) in recent years _(由于沙漠化的原因).3 this is a _(过程) that happens when land becomes desert because of _(天气变化) and because people _ (砍伐) trees and _ (挖)grass.4 when a sandstorm arrives

41、in the city, weather experts _(建议) people not _(出去).5 the desert is only 250 kilometers away _(北京以西).6 _(为阻止沙漠逼近), the government is planting trees .v.回归课文 精选段落sandstorms are strong ,dry winds that (携带)_sand .they are often(如此厚以至于)_ you cannot see the sun and the wind is sometimes strong enough to （

42、移动）_ sand sues. the four main places in the world（在那里）_ there are sandstorms are central asia, north america ,central africa and australia . ren jianbo , from inner mongolia (描述)_ a terrible sandstorm he （经历）_ as a child in the desert.”（遭遇到了）_ a sandstorm was a terrible experience, ” he said.” the w

43、as nothing (能够做)_. it was the most (可怕的)_ and the most dangerous (形势)_ ive ever been in. you just had to hope youd (幸存下来)_ .i thought i was going to (消失)_ under the sand”.vi. 针对重点 微型练习 1. _, it doesnt matter whether i can defeat john. in the match a. as much as im concerned b. as far as im concernin

44、g c. as long as im concerning d. as far as im concerned2. -dont _ to me again _ your low position in the government -ok. i promise never. a. complain ; of b. complaint ; about c. apologize ; of d. advise ; on3. the _ problems in this city are related to traffic. a. majority b. major c. magic d. main

45、ly4. as is known, smoking has _ our health. a. a bad effect on b. bad effect to c. an effort on d. affect to5. -do you know“_ ”means “to explain something very simply”. -yes .we can also say “in a word”. a. in a short b. for brief c. on conclusion d. in a nutshell6. he was so busy because he had _ l

46、etters to answer. a. a mass b. a large numbers of c. mass d. a great deal of7. with enough_ being hurt, these orphans grow happily. a. protection of b. protecting from c. protection from d. protected by8. we did nothing but _ for him on the airport this afternoon. a. waited b. wait c. to wait d. waiting1. 参考答案：suggested answers:2. reading and vocabulary3. suggested answers:4. 1. mask cycle cyclist dust 5. citizen frightening sandstorm6. 2. there is a sandstorm blowing.7. 3. she is wearing hoods