Unit-4-Cyberspace-Lesson-1-Tomorrow's-World-导学案-1-北师大必修2精品.doc

1、Unit 4 Lesson 1 Tomorrows World导学案 1目标： 1. To practice using vocabulary of cyberspace.2. To practice using will and be going to to talk and write about the future.3. To learn the future of cyberspace and practice spoken English. 课前 自主预习I 词汇认知A. 单词识记1. 气候 _ n 2. 真实，现实 _ n. 3. 犯罪，罪行 _ n. 4. 娱乐，款待 _ n.

2、5. 洪水；淹没 _ n. v. 6. 影响 _ v. 7. 攻击，进攻 _ v. 8. 撞毁，坠毁 _ v. 9. 消失，不见 _ v. 10. 伤害，损害_n. v. 11. 集中注意 _ v. 12. 有可能的 _adj.13. 人造的 _ adj. 14. 乐观的 _ adv. 15. 悲观的 _ adj. 16. 明显的 _ adj 17. 快地，迅速地_adv.B.根据句子的意思，写出本课的单词1It is well known that smoking _ (影响) health. 2The local _ (娱乐活动) are listed in the newspaper.

3、3This is not imagination， but_ (现实). 4The discussion _ (集中) on three main problems. 5Luckily， the child fell over but came to no _ (伤害). 6If the sun stopped shinning， all the living things would d_.7We reached our d_， tired and hungry. 8They have already made a_ for our vacation. II根据提示完成下列短语1.有可能干某

4、事 _ 2.集中于，专注于 _ 3.(愿望，梦想等)实现 _ 4.秘密地 _ 5.出毛病，不对头 _ 6.查出，发现 _7.在过去的30年中 _ 8.和.连接 _ 9.对.很乐观 _ 10.从.中获取信息 _ 11.在网上 _12.仿佛，好像 _13.显然. _课堂 互动探究Period 1 Reading目标：1. To use the title of a text to predict the content.2. To practicereading for specific information.Warm up:Compared to 20 years ago， how do yo

5、u think technology will change our lives？The teacher can give the following help:For example: Go shopping on line neednt carry cash and use credit cards.Instead of going to the bank ，you can use a computer and a telephone to pay for bills.The teacher asks the two questions.1. Imagine what will happe

6、n in the next twenty years？ 2. What do you think the computer gives us advantages or disadvantages for our life？Of course the students will give various answers.Look at the title of the article.Which of these topics do you think it will mention？the Internet artificial human time travel robots global

7、 warming virtual realityRead the article quickly and check your guess to question 2 above.Step One:Read the text and do the T or F exercises .1. With the development of computers, our life may change in shopping and communicating ways2. The text infers to us that worry is not necessary and computers

8、 and the Internet only do good to us.3. Some experts say in the future we will not go to school in the classroom like us.4. In the future, it is possible that people live in another world of outer space.5. The text tell us you can do many things but neednt go to the place yourself.6. Because of the

9、rapid development of the Internet， televisions and mails will be replaced by computer.Step Two:Learning vocabulary Do the exercise 4Correct errors:1.In the last thirty years， the Internet has grew rapid.2. Terrorist may “attack” the worlds computers， cause chaos， make planes and trains crash.3. It i

10、s convenient book tickets on the Internet.4. In 1983， there were only 200 computers connecting to the Internet.5. This is clear that we can use the Internet to do all kinds of things at home.6. Personal， Im optimistic about the future of the internet.7. As society develops， computers will make our l

11、ife much convenient.8. The mail service may also disappear as the increasing use of e-mail. Step Three: Voice your opinionDo you feel pessimistic or optimistic about the future of the Internet? Why?Step Four:grammarBefore doing the exercise turn to page 92 with the help of the teacher students learn

12、 grammar then do the following exercise.Do the exercise 7, 8and 9Step Five: Language in UseWork in pairs. Student A is a pessimist and Student B is an optimist. Make predictions about life by the year 2050.目标：To master the important language points in this lesson.核心词汇1. likely adj. 有可能的，有希望的；adv.或许；

13、很可能 It is likely that.很有可能 Sb./sth. is likely to do sth.有可能做某事Eg: It is likely that he will agree with the lpan. 他很有可能会同意这个计划。拓展：辨析：likely，probable与possible三个词中probable的可能性最大，possible的可能性最小。三个词均可用It is.that.的结构。可以说：sb./sth.is likely to do sth.有可能做某事，但possible和probable通常不用人作主语。可以说It is possible (for

14、sb.)to do sth.某人做某事是有可能的。(3).It is likely/possible/probable that the plan will be worked out tomorrow afternoon.计划(很)有可能在明天下午制定出来。应用:(2010陕西卷)Studies show that people are more to suffer from back problems if they always sit before computer screens for long hours.Alikely Bpossible Cprobable Dsure句意为：

15、研究表明如果总是长时间地坐在电脑屏幕前，人们的背部很有可能会出现毛病。本题考查表“可能性”的三个形容词possible，probable，likely在搭配上的区别：It is possible/probable/likely that 从句 It is possible for sb.to do sth. Sb./Sth.is likely to do sth.综上所述，正确答案为A项。 2focus v.n. 集中(注意力，精力等)；调整焦点焦距；中心点，焦点focus ones attention/thought/efforts on.集中注意力/思想/努力于focus on/upon集

16、中于eg：(1). (2011天津阅读，D)If you are going to follow someone，focus on their talent，not their bad character or unacceptable behavior.如果你想效仿某人，要注重他们的才能，而不是他们不好的品质或不可接受的行为。(2).Recently，our government has kept their attention focused on the price of the house.最近政府一直非常关注房价。(3).Governments throughout the worl

17、d are focusing their efforts on holding back global warming.世界各国政府正努力防止全球变暖。 (4).The boy always wants to be the focus of attention.这个小男孩总想成为关注的焦点。拓展：be the/a focus of attention成为关注的焦点应用：Most of us know we should cut down on fat，but knowing such things isnt of much help when it shopping and eating.Ar

18、efers to Bspeaks of Cfocuses on Dcomes to解析：考查动词短语辨析。句意为：绝大多数人都知道我们应该降低脂肪的摄入，但当涉及到购物和饮食时，知道这些事情也没有多大的帮助。when it comes to (doing) sth.“当涉及到(做)某事”是固定用法，refer to查阅；提到；speak of“谈及，说到”其主语一般是人；focus on“集中于”均不符合句意。答案：D3 affect vt. 影响；感染；(疾病)侵袭；使感动回归课本P8：Peter Taylor finds out how computers and the Internet

19、 are going to affect our lives.eg：(1).She was deeply affected by the news of his death.他去世的消息使她深感悲痛。 (2).(2011福建阅读，A)Even below the driving limit，driving will be affected.即使低于酒驾限度，驾驶也将受影响。 (3).He was affected with high fever when we discussed the problem yesterday.昨天当我们讨论这个问题时，他正发高烧。 (4).What parent

20、s do and say has a lifelong effect on their children.父母的言行对孩子有长远的影响。拓展：be greatly/deeply affected很/深受感动be affected by heat/cold中暑/着凉be affected with high fever发高烧have an effect/influence on对产生影响应用：(上海高考)With the governments aid，those by the earthquake have moved to the new settlements.Aaffect Baffec

21、ting Caffected Dwere affected解析：句意为：在政府的援助下，那些受到地震影响的人们已经搬到新的定居点。用affect的过去分词形式作主语those的后置定语，表示“受到地震影响的人们”。答案：C4. offer v提供；提议；出(价)；主动提出；n.提供；提议；意图；报价offer sb.sth.offer sth.to sb.(主动)把某物提供给某人offer to do sth.主动提出做某事make an offer of help/support/food主动提供帮助/支持/食物offer sb.sth.for some money索价卖某物给某人offer

22、 sb.some money for sth.出价向某人买某物eg: (1).The waiter offered some coffee to the guests.The waiter offered the guests some coffee.服务员给客人们端了些咖啡来。 (2).All passengers were asked to offer their passports before boarding.所有乘客被要求登机前主动出示护照。 (3).She always makes an offer of help every time I get into trouble.每当

23、我陷入困境，她总是主动提供帮助。 (4).Theyve offered us 60，000 for the house. Shall we take it？他们已向我们出价六万英镑买这所房子。我们卖不卖？辨析：辨析：offer，provide与supply三个词均表示“提供”，其结构为：offer sb.sth.或offer sth.to sb.。provide sb.with sth.或provide sth.for sb.。supply sb./sth.with sth.或supply sth.to sb./sth.。(5)We are here to provide a service

24、for the public.我们来这里为公众服务。应用：Do you have any problems if you this job？Well，Im thinking about the salary.Aoffer Bwill offer Care offered Dwill be offered 解析：考查时态。句意为：如果你得到这份工作，你还有问题吗？嗯，我在考虑薪水问题。注意：条件状语从句和时间状语从句中，用现在时态代替将来时态。句中you和offer是被动关系，故选C。 答案：C5. harm vt. n.伤害，损害回归课本P8：A terrorist is someone wh

25、o does terrible things to harm countries，governments and people. do sb.harmdo harm to sb.There is no harm in doing sth.不妨做某事It does no harm to do sth.不妨做某事be harmful to对有害处eg: (1).Too much drinking will do great harm to you/do you great harm.饮酒过量危害甚大。(2).There is no harm in combining the two mixture

26、s.不妨把这两种混合物放在一起。(3).Obviously，the young ladys feeling was harmed/hurt by what her husband said.显然，这个年轻女士的丈夫的话伤害了她的感情。(4).Air pollution will get worse and this will be harmful to people，for example，it can cause cancer.空气污染会加剧，而且这会对人们造成危害，例如，它可以引发癌症。辨析：harm， destroy， damage， injure， hurtharm多指对有生命事物的健

27、康、权利、事业的损害。例如:eg: These kind of animals are peoples friends. They will not harm people.destroy表示严重毁坏某物，使之不复存在或无法修复。例如:eg: The school was completely destroyed by the big fire.damage意思是损害，伤害，多用于无生命的事物，一般可修复。例如:eg: The flood did great damage to the crops. injure多指意外事故中受伤。例如:eg: Five people were injured

28、 in the car accident ten days ago. hurt在表示受伤时与injure同义，但比injure通俗，而injure语气更强。此外，hurt也常用来表示感情、自尊心受伤害；作不及物动词时，还可以表示疼痛。例如:eg: Mike didnt play football yesterday because he had hurt his leg.My stomach hurts when I have cool food， doctor.应用：(2010浙江卷)Many lifestyle patterns do such great harm to health t

29、hat they actually speed up weakening of the human body.Aa；/ B/；the Ca；the D/；/解析：考查冠词的用法。句意为：许多生活方式对健康有如此大的伤害，甚至实际上会加速人体的衰退。第一个空格中的“do harm to.”为固定搭配，中间不用冠词，第二个空格后由于有of引导的后置定语，所以weakening前加the予以限定。答案：B重点短语1come true实现，变成现实回归课本P7：Which of the predictions in them have already come true？eg: (1). Her dr

30、eam of running her own business has come true.她经营自己企业的梦想已成为现实。(2).We believe that all of our dreams will come true sooner or later.我们相信我们的梦想迟早会实现。拓展：realise与come true realise和come true都有“实现(理想、愿望等)”之意，但用法不同。come true是系表结构，无被动语态，句型结构为e(s) true.realise是及物动词，句型结构为sb.realise sth.。eg: (3). Her dream to b

31、e a computer programmer came true after she graduated from university.她要成为电脑程序员的梦想在大学毕业后实现了。(4).At last she realised her dream of becoming an actress.她最终实现了当演员的梦想。应用：While you have made a wonderful plan，it is the most important for you to make it .Acome true Bcome loose Cgo bad Dgo wrong解析：考查动词短语辨析。

32、句意为：尽管你制定了完美的计划，实现它才是最重要的。四个短语都是系表结构。come true实现；come loose松开，松掉；go bad(食物等)变坏；go wrong出错，弄错；(食品，产品)腐败，变质。 答案：A2. as if 好像，仿佛回归课本P8：Some experts see our future in virtual reality the use of computers with sounds and pictures that make you feel as if you are in a real situation.as if仿佛，好像，用作连词，在本句中引导

33、表语从句，后接陈述语气，表明从句的情况是可能发生的或被设想是真实的。例如:She looks as if she is going to cry.The meat tastes as if it has gone bad.和as if意思相同的短语是as though，两者可以互换使用。eg：I remember the whole thing as though / as if it happened yesterday.拓展：(1). as if引导方式状语从句或表语从句，谓语动词常用虚拟语气。当从句表示与现在事实相反的动作，从句用一般过去时；当表示与过去事实相反的动作，从句用过去完成时。

34、eg: The student from Shanghai speaks English as if he was an American.He quarreled with one of his friends， but he behaved as if nothing had happened.(2). 和as if结构相似的短语有as for， as to，意思都是至于，说到。eg: As for / to me， I shall not go to the party with him.As for / to the meeting， we have to make a decisio

35、n on when to start.应用：When a pencil is partly in a glass of water，it looks it were broken.Aas if Bnow thatCeven though Dso that解析：句意为：当铅笔一部分放在一杯水中时，它看上去好像断了。as if引导表语从句，表示假设。答案：A(全国高考)Eliza remembers everything exactly as if it yesterday.Awas happening Bhappens Chas happened Dhappened解析：考查虚拟语气。由as i

36、f引导的从句通常用虚拟语气，再结合前面的remembers 可知与现在事实相反，因此用一般过去时。答案：D重难句导学1. It is clear that we are going to see a huge growth in shopping on the Internet. 很明显，我们将会看到网上购物的大幅度增长。句式分析:It isadj./n.that-clause.thatclause为主语从句，为了避免头重脚轻，用it作形式主语放在句首，而真正的主语从句(thatclause)则放在句尾。eg:(1).It is obvious that nobody will accompa

37、ny him on a walk.很显然没有人愿意陪他散步。(2).It is a pity that you missed such a good chance.你错过了这么好的一次机会真可惜。(3).Its wellknown that anyone who wins a prize should treat us to a good dinner.中奖的人要请我们美餐一顿，这是众所周知的。拓展：it作形式主语的几种句型：Itbeadj./n.(for sb./of sb.to do sth.)Its no use/no good/fun/useless/a good pleasure/a

38、 waste of time doing sth. It seems/appearsthatclauseIt seems/looks as if. eg:(4).It is no use arguing with Bill because he will never change his mind.与比尔争辩是没用的，因为他从不改变主意。(5)It appears that it is going to rain now.似乎天要下雨了。应用：(2010陕西卷)It never occurred to me you could succeed in persuading him to chan

39、ge his mind.Awhich Bwhat Cthat Dif解析：考查主语从句用法。句意为：我根本没想到你能成功地说服他改变主意。it作形式主语，me后面的从句是真正的主语，即主语从句。It occurs to sb.that.某人忽然想起。答案：CIt is uncertain side effect the medicine will bring about，although about two thousand patients have taken it.Athat Bwhat Chow Dwhether解析：考查主语从句用法。句意为：虽然大约有2 000位病人服用过这种药，但

40、是它到底会带来什么副作用还不可知。what side effect在此处作bring about的宾语。答案：B 2. But I still find it hard to imagine. 但我还是觉得难以想像。句式分析:本句中含有“find it形容词to do sth.”句型。本句型中的it是形式宾语，不定式是真正的宾语，形容词是宾语补足语。可以用这一固定句式的动词还有think，believe，feel，make等。(1).I found it easy to get along with the people there.我发现很容易和那里的人相处。(2) .(2010辽宁卷)Th

41、e fact that she was foreign made it difficult for her to get a job in that country.他是外国人这个事实使他很难在那个国家找到一份工作。(3).I think it more important to learn a foreign language well.我认为学好一门外语更加重要。拓展：为了使句子平衡，当充当宾语的是不定式短语、动名词短语或从句时，应用形式宾语it替代，而把真正的宾语放在补语之后。(4).The headmaster didnt make it clear when and where th

42、e meeting would be held.校长并没有弄清楚何时何地召开会议。(5).You may find it no use arguing with him.你会发现跟他争论是没有用的。有些动词通常不直接跟从句作宾语，需加上it后再接从句。这样的动词及短语有：like，love，enjoy，appreciate，dislike，hate。(6).Id appreciate it if you would like to teach me how to use the computer.如果你能教我如何使用电脑，我将很感激。(7).I hate it when it rains in

43、 winter.我讨厌冬天下雨。应用：(2011天津卷)We feel our duty to make our country a better place.Ait Bthis Cthat Done解析：句意为：我们觉得让我们的国家成为一个更加美好的地方是我们的责任。本题考查代词用法。根据句子结构可知：后面的不定式短语to make.place为真正的宾语，设空处应为形式宾语，四个选项中只有it可作形式宾语，故答案为A项。答案：A课堂 互动探究一、will的基本用法是： (1).will(would)表意愿，主要用于第一人称；will指将来，would通常用于间接引语，指过去的将来。如： I

44、 wont argue with you. 我不愿意跟你争辩。 I said I would do anything for him. 我说过我愿意为他做任何事。 (2).will(would)表拒绝，用于否定句。如： The doctor knows I wont be operated on. 大夫知道我不想做手术。 He was wet through， but he wouldnt change. 他全身湿透了，但不想换衣服。 如主语为物，则意为“不起作用”。如： The drawer wont shut. 抽屉关不上了。 My fountain pen wouldnt write. 我的自来水笔不能