外研英语必修三第模块学案

1、re必修3 MODULE 4 Sandstorms in Asia导学案 编写人: 【Learning Goal】Learn about some thing about sandstorms in Asia 【使用说明与学法指导】 自学要求:课前提前自主学习，阅读单词并完成习题。正课要求:3分钟教师展示自主学习练习题答案。17分钟独立完成探究一，二。10分钟小组讨论确定答案。10分钟展示点评。5分钟进行背诵所学词汇和短语并当堂检测。Period 1 Introduction & Reading【课前预习】Task: Master the words and phrases below

2、.bury frightening sandstorm cut down dig up the inland region the first sign if yes Task: Do activity on page 31Task:finish activity on page 33.【课内探究】Task:skimmingRead the text quickly and answer the following questions.1 Why is it hard for people to see in sandstorms ? Because of the thick dust. 2

3、How far is the desert from beijing ? Only 250 kilometers away. Task :careful reading.Choose the best answers according to the text.1.According the text ,we can learn that sandstorms B . A. cause people to buy more masks B. are difficult to deal withC. are not dangerous but frightening D.will disappe

4、ar within five years2.which of the following is true according to the text ? AA. Ren Jianbo thought he would probably die from the sandstorm.B. A sandstorm can be forecast several months before it arrives.C. Huang xiaomei frequently cycles in sandstorms.D.Sandstorms occur in beijing mainly because o

5、f its dry climate. Read the text carefully and fill in the blanks. Sandstorms What are they ?They are 1.strong dry winds that carry sand.How powerful are they ?They are strong enough to move 2. sand dunes Where do they often occur?In central asia, 3.North America , central africa and australia. Sand

6、storms inChina The cause Sandstorms begin in 4 desert areas and appear to have increased in recent years as a result of “desertification”.It is a process that happens when land becomes desert because of 5. climate changes And because people cut down trees and dig up grass.Sandstorms in Beijing Citiz

7、ens wake up to a(n) 6. orange sky and strong winds that cover the city in a thick, brown-yellow dust. The storms sometimes last all day and affect traffic.Two persons description Ren Jianbo descibed a sandstorm inInnerMogolia. Huang xiaomei told people about a sandstorm in 7. Beijing The measures A

8、8. mass campain has been started in china .The government has already planted over 9. 30 million trees and plans to continue planting for the next 10. five Years.Task T or F 1.Scientists have tried many ways to deal with sandstorms. ( T )2.Land becomes desert only because people cut down trees and d

9、ig up grass. ( F ) 3.The Chinese Central Weather Station can not forecast a sandstorm before it comes.( F )4.The desert is 250 kilometers away to the west of Beijing. So there is no need to take some measures.(F ) 5.Southwest China is part of the sandstorm center in Central Asia. ( F ) Period 2 Lang

10、uage Points：【学习目标】掌握Language Points中列出的知识点【使用说明与学法指导】自学要求：课前自主学习，预习知识点。正课要求：课上前15分钟完成课内探究。10分钟讨论，10分钟展示点评，解决疑难。10分钟疯狂背诵并当堂检查。【课前预习】阅读课文并且从文中找出下列短语:1.在这种情况下 2.解决这个问题 3如此.以至于 4.被困在 5.由于 6砍倒 7挖掘 8醒来 9.建议某人做某事 10最好做某事 11.阻止做某事 【课内探究】1.What do you think experts advise people to do in this situation ?在这种情

11、况下，你认为专家建议人们做什么？此句型属于“特殊疑问词do you think 陈述句 ？”这种句式常用于询问对方或者第三者的想法或意见。这种句式的动词除了think 之外，还有believe,consider,expect,imagine,suppose,suggest等。 advise sb. to do sth. 建议某人做某事拓展 advise doing sth 建议做某事 be advised to do sth 被建议做某事 与advise 一样用法的动词还有，allow, permit, forbid; advise 的名词是advice, 是个不可数名词，常考的一个短语是，g

12、ive sb. some advice on sth. in this situation 在这种情况下2.Scientists have tried many ways to solve this problem and in China ,a mass campain has been started to help solve it. 科学家尝试过很多方法来解决这个问题，在中国，也发动了群众运动来对付沙尘暴。本句是有and 连接的两个并列句。mass adj. 大规模的，以大众为对象的；eg.Their latest product is aimed at the mass market

13、.他们的最新产品瞄准了大众市场。n. 许多，常用的两个短语 a mass of 复数名词/不可数名词masses of 复数名词/不可数名词 campaign 运动，宣传活动；3.They are often so thick that you cannot see the sun ,and the wind is sometimes strong enough to move sand dunes. 沙尘暴夹带的沙尘含量常常很大，以至于可以遮天蔽日，风力强大时可以搬动沙丘。本句是由and 连接的两个并列句，第一个分句中含有so.that 引导的结果状语从句，第二个分句中含有adj.+enou

14、gh to do 的句型。 sometimes adv. 有时，可用于句首，句中，或句末。注意区别：some times 几次 some time 一些时间 sometime 指不明确的时间，可用于过去式、将来时。 so.that.如此.以至于. 相关句型:so + adj./adv. + that.so + adj. + a /an + 单数可数名词+ that.so + many /few + 复数名词 + that so + much / little + 不可数名词 + thatsuch + a / an + adj.+ 单数可数名词+ thatsuch + 复数名词/ 不可数名词 +

15、 that 如果so 引导的部分用于句首，句子要用部分倒装（助动词 + 主语 + 谓语动词。Eg.So lovely is the boy that everyone likes him.4.“To have been caught in a sandstorm was a terrible experience,”he said.他说，遇上沙尘暴是一种可怕的经历。To have been caught in a sandstorm 为动词不定式短语作主语，句子谓语用单数。be caught in 被困于. ，突然遭遇.与之用法一样的短语还有，be trapped in ,be stuck i

16、n , 这些短语的宾语既可以是自然灾害，也可以是交通阻塞（a heavy traffic）5.There was nothing to be done. 你一点儿办法也没有。 注意与这个固定句型的区别，Ther was nothing to do.表示没事可做。6.Sandstorms in China appear to have increase in recent years -.中国近几年来发生沙尘暴的次数似乎明显增加了。appear 似乎，好象(一般不用进行时态 强调表面给人的印象，但事实不一定如此）eg.The girl appears to have known it.常用句型：

17、appear (to be )+ adj./n. eg.He appears happy at the news.appear to do sth eg.He appears to know everything.It appears that.egIt appears that there has been a mistakes. 出现 eg. He didnt appear until midnight.7. because people cut down trees and dig up grass. . 因为人们砍树挖草。cut dowm 砍倒； 削减（数目。数量）；缩小（尺寸）eg.

18、We must cut down expenses on clothes.拓展 cut in 打断（谈话 ），插嘴 cut off 中断（通话），停止，切断（联系，电源） cut out 裁剪，删除 cut up 切成碎片dig up 掘地，掘出，发现eg.The old man dug up some land to grow vegetables.8.Citizens wake up to an orange sky and strong winds that. 居民们醒来时，看到昏黄的天空和狂风. 本句子是由that 引导的定语从句，修饰winds.wake up 醒来，叫醒；eg.I

19、will wake you up when it is time to leave.wake up to 开始察觉 eg. You shoule wake up to the situation.9.The storms sometimes continue all day and traffic moves very slowly because the thick dust makes it difficult to see.沙尘暴有时能持续一整天，车辆开的慢，因为厚厚的尘埃降低了能见度。makes it difficult to see 句中的it 是形式宾语，后面的动词不定式to do

20、 是真正的宾语。可以用于该结构的动词还有：find， feel, think, consider.Eg.He found it diffcult to deal with this situation.10.to prevent it coming nearer, the government is planting treees.为阻止沙漠蔓延，政府正在实施植树计划。prevent 阻止，防止发生 其名词是prevention, 形容词是 preventive常用的短语，阻止某人做某事 ：prevent sb. ( from ) doing sth.Eg.No one can prevent

21、 him from doing such things.拓展 类似的短语 : stop sb. (from) doing sth. Keep sb. from doing sth. 注意： 以上短语的主动语态中，只有keep. from 中的from 不能省。在被动语态中，都不能省。Eg.We are prevented/stopped/kept by the heavy rain from going to school.【当堂检测】.根据下列各句句意及所给单词的首字母或者汉语提示，写出单词的正确形式。1.Rain has been forecast for this weekend. Th

22、e plan of our going to the park will be ruined.2.Everyone has his own strengths and weaknesses.3.After the terrible sandstorms,the cars were covered with dust .4.The process of making the delicious Chinese dish requires much energy.5The purpose of the campain (活动) held every year in the us is to get

23、 children excited about reading .6.There is an injury in his leg,so he has much difficult cycling (骑自行车)7.To prevent the cold, many people often wear mask (面罩) in winter.用方框里的短语的适当形式填空。cut down, be caught in, dig up, wake up, sweep away 1.The tornado was so strong that it dug up many trees.2.The str

24、ong wind swept away the hundred-pound note and it was nowhere to be found.3.I wake up at the same time every morning without having to use an alarm clock.4.If you cut down all the trees you will ruin the land.5.He was caught in the storm yesterday and is now in hospital. -Im sorry to hear that. 根据汉语

25、意思完成句子，每空一词。1.什么也不能做。当我们被困在废墟中时，我们感到那么的害怕。 There was nothing to be done 。we felt so frightened when we were caught in the ruins.2.这场大雨使我们更难按时完成这项工程。The heavy rain made it more difficult for us to complete the project on time.3.在那位歌唱家的音乐会举行的前几天票就卖光了。The tickets had been sold out several days before t

26、he singers concert took place.Period3 Grammar the infinitive【学习目标】了解动词不定式的各种形式及but后不定式的情况【使用说明与学法指导】自学要求：课前自主学习，预习语法知识。正课要求：课上前20分钟完成课内探究。10分钟讨论，10分钟展示点评，解决疑难。5分钟疯狂背诵疑难句子。【课前预习】【语境展示】观察下列各句中动词不定式的用法，然后加以总结。1. Mother saved every cent she could to pay for may schooling.2. When his father entered his r

27、oom, he pretended to be doing his homework3. Im sorry to have given you so much trouble.4. Its a great honor to be invited to Marys birthday party.5 It was his good fortune not to have been injured.6 I always teach my children not to talk to strangers.7 She is a strange girl, yet you cant help but l

28、ike her.8 When the streets are full of melting snow, you cant but get your shoes wet.9 We cant choose but admit that in some ways they are ahead of us.10 Their car broke down on the way. There was nothing to do but wait for help.11 Now we can do nothing but try this method.12 Stuck in the heavy traf

29、ffic, we had no choice but to wait. 【自我归纳】）完成下面表格。主动形式被动形式含义例句不定式的一般式(to do ）to be done表示的动作与谓语所表示情况同时发生或发生在谓语所表示情况之后 句1,句5，句7不定式的进行式(to be doing ）表示的动作正在进行，与谓语所表示情况同时发生句2不定式的完成式to have done( to have been done )表示的动作发生在谓语所表示情况之前句3和句5)不定式的否定形式是在不定式符号to 前_加not_, 如句5和句6。）but 后不定式的情况： cannot help but, c

30、annot help,cannot choose but后的不定式通常_不带to_如句7，句8和句9。 当but前有实义动词do时，其后的不定式通常不带to,如句10和句11。 除上述情况外，用于but后的不定式通常都要_to_, 如句12。【课内探究】一 选择填空1)There are many talented actors out there just waiting _.A.to discover B.to be discovered C.discovered D.being discovered2)I have a lot of readings _ before the end o

31、f this term.A.completing B.to complete C.completed D.being completed3)His first book _next month is based on a true story. A.published B.to be published C.to publish D.being published4)With the world changing fast, we have something new _with all by ourselves every day. A.deal B.dealt C.to deal D.de

32、aling5)I like getting up very early in summer. The morning air so good _. A.to be breathed B.to breath C.breathing D.being breathed6)The crowd cheered wildly at the sight of Liu Xiang, who was reported _ the world record in the 110-meter hurdle race.A.breaking B.having broken C.to have broken D.brea

33、k7) There is nothing to do except _ till it stops snowing. A. to wait B. waiting C. wait D. waits 8） I am sorry _ you so much trouble. And thank you for you help.A. to give B. to have given C. giving D. gave 9） The doctor told the child _less and _more. A. to eat, sleep B. eat, sleep C. eating, slee

34、ping D. eat, to sleep 10.）. Id rather have a room of my own, however small it is , than _ a room with someone else. A. to share B. to have shared C. share D. sharing 11) Let me _ if she has decided _it. A. to know, to do B. to know, do C. know, to do D. know, do 12. )The novel is said _ the month be

35、fore. A. to publish B. to be published C. publish D.to have been published 13.) She doesnt like _. A. praised B. to praised C. to be praised D. praising 14) In class you should listen to Miss Gao _ English! A. to speak B. speak C. speaks D. spoke 15) Tom is said _ abroad, but I dont know what countr

36、y he studied in. A. to have studied B. to study C. to be studying D to have been studying 二. 用括号中所给单词的适当形式填空。1) They reached the company out of breath, only _to be told_(tell) they were fired.2) She pretended _not to see_(not see) me when I passed by the other day.3) Dont pretended _to be studying_(

37、study); you are holding your book upside down.4) He is said _to have left_(leave) the stage already as he has become an official.5) There is nothing he could do but _surf_(surf) the Internet all day long.6) Then the cold-blooded animal has no choice but _to lie_(lie) down and sleep.7) People couldnt

38、 help but _laughing_(laugh) at the foolish emperor.8) She was the only one _to have survived_(survive) the crash.三. 下列句中各有一处错误，请找出并改正。1. Nothing remains for us to do but going through the reading materials. go2. Having a trip abroad is certainly good for the old couple, but it still remains to see w

39、hether they will enjoy it. be seen3. Aunt Li often asks her son doesnt eat too much meat. not4. Is it always easier making friends than to keep them. make5.You mustnt forget bringing your dictionary when you come here tomorrow. to bring6. Whenever I see poor kids on TV, I cant help but crying. cryPe

40、riod4 Function, Listening And Vocabulary, Grammar, Pronunciation, Speaking，writing& Everyday English & Cultural corner【Learning Goals】Enable the students to learn the violent natural disasters.【使用说明与学法指导】 自学要求:课前提前自主学习，阅读单词并完成习题。正课要求:3分钟教师展示自主学习练习题答案。17分钟独立完成探究一，二。10分钟小组讨论确定答案。10分钟展示点评。5分钟进行

41、背诵所学词汇和短语并当堂检测。【课前预习】Task I: Master the words and phrases below.atmosphere carbon dioxide damage melt recycle concerned evidence urgent as a result too much I have no ider. It couldt be worse. Put on a mask in a nutshell Protect the environment if possible Putinto take away Collect information look

42、through 【课内探究】Task skimmingRead the text quickly and answer the following questions.1.which coutries are better than others at looking after the enviornment in Europe ? Germany and the northern European coutries. 2.When and where did the green movement start ? In the 1970s and in Europe. Task :caref

43、ul reading.Read the text carefully and fill in the blanks.Ways of protecting the enviroment in GermanyPeople put their garbage into diffrernt bags to 1.recycle any useful things.People are not allowed to use CFCs.People are not allowed to burn 2. too muchcoal . The Green movement The 3.purpose To ge

44、t 4.governments to think seriously about the enviroment and how to look after it. The measureIt collects information about how industry damaging the enviroment and gives this information to 5.newspapers .Task : Language Points 1. Damage, vt. 损坏，毁坏，破坏；nU: 破坏，损坏，损失（常与to连用）Eg: The car was damaged in th

45、e crash.这辆车在撞车事故中被损坏了 The accident caused much damage to his car. 他的车在这次事故中受到了严重损害。2.to have a bad effect on someone or somethinghave a bad effect on 对。有坏的影响 affect v. 影响Eg.Smoking has a bad effect on your body.3.the most northern and southern points on earthon earth 在地球上,在世界上。Eg.She is the most bea

46、utiful woman on earth. 究竟，到底（用于疑问词后，加强语气）Eg.What on earth did you do on earth ?4.Trees take in and give out .(p35)take in: 吸收; 欺骗; 理解领会； 收容；Eg : Fish take in oxygen by their gills.鱼用鳃吸取氧气Don't take in by him. He is dishonest. 别被他欺骗了，他不诚实I can't take in this article at all. 我根本看不懂这篇文章.He had

47、nowhere to live in, so we took him in.他没地方住，于是我们收留了他.拓展：take away: 解除消除，带走take down：写下，记录 take on：呈现，具有（特征，外观） take over：接收，接管give out 放出，发出（光、热等）；分发；用完、耗尽；Eg.The sun gives out light and heat. Teachers gave out the examination papers. In a week.,their gas gave out.5.suggest: 提议，建议,暗示表明：suggest doing

48、 sth. suggest that sb. should do sth. (做提议建议讲时，后跟宾语从句，从句要用虚拟 语气，should 可以省略）； 做暗示表明讲时，后接宾语从句，从句用陈述句语序。Eg:Her pale face suggests that she is ill. I suggest that she (should ) see a doctor immediately.6.The garbage is then taken away and ,if possible, recycled.take away 拿去，解除，拆走。Eg. They took away the

49、 old house and built a new one.if possible 是if it is possible 的省略.在时间、地点、条件、方式和让步状语从句中，如果从句的主谓语是it be 的结构，通常会省略掉。Eg.Ask the teacher for help when necessary.拓展 在上述从句中，如果从句中的谓语动词是be，同时从句的主语和主句的一致，可以把主语和谓语省略掉。Eg.You should be careful when crossing the street. He didnt say a word until asked.7.The “Green” movement tries to get government to think seriously about the environment and how to look after it.Get sb. to do sth.让某人做某事 拓展 get + sb./sth. + adj. 使.处于某一种状态 Eg. Ill get the children ready for school. get + sb./sth. +done 使 被 Eg. You must get the work finished ahead of