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Unit4 Lesson1 学案(北师大版必修2).doc

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1、第 1 页 共 13 页 目标: 1. To practise using vocabulary of cyberspace.2. To practise using will and be going to to talk and write about the future.3. To learn the future of cyberspace and practise 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.5. 洪水;淹没 _ n. v. 6. 影响 _

2、 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. 3This is not imagination

3、, 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.有可能干某事 _ 2.集中于,专注于 _ 3.(愿望,梦

4、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 _第 2 页 共 13 页 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 practise reading for specific information.Warm up:Compared to 20 years ago, how do you think te

5、chnology 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 happen in the n

6、ext 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.来源:学科网Look at the title of the article.Which of these topics do you think it will mention?* the Internet * artificial human * time travel * robots *

7、global 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 c

8、omputers 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. Becaus

9、e of the 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 cras

10、h.3. It is 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 m

11、ake our life much convenient.8. The mail service may also disappear as the increasing use of e-mail. 第 3 页 共 13 页 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

12、teacher students learn 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.Step Six:HomeworkPage 55 exercise 4, 5 and 6Period 2 Language Focus目标:来源

13、:学#科#网To master the importan t language points in this lesson.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 sb.)to do sth.某人做某事是有可能的。(3).It is likely/possible/p

14、robable 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: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。第 4 页 共 13 页 本题考

15、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 o nes atte ntion/thought/efforts on.集中注意力/思想/努力于focus on/upon 集中于eg:(1). (2011天津阅读,D)If yo

16、u are going to follow someone,focus on their talent,not their bad character or unacceptable behaviour.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 world are focusing their effor

17、ts 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.Arefers to Bspeaks of Cfocus

18、es 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 are going to affect o

19、ur 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 parents do and say has a lif

20、elong 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:第 5 页 共 13 页 (上海高考)With the governments aid,those by the earthquake have moved to the new settlements.Aaffect Baffectin

21、g 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o

22、ffer 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 troubl

23、e.每当我陷入困境,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

24、a service 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 terroris

25、t is someone who 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。第 6 页 共 13 页 (2).There is no harm

26、 in combining the two mixtures.不妨把这两种混合物放在一起。(3).Obviously,the young ladys feeling was harmed/hurt by what h er 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, dama

27、ge, injure, hurtharm 多指对有生命事物的健康、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

28、多指意外事故中“受伤 “。例如:eg: Five people were injured 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:(20

29、10浙江卷)Many lifestyle patterns do such great harm to health that 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:W

30、hich of the predictions in them have already come true?eg: (1). Her dream 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

31、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 be 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.第 7 页 共 13 页 她最终实现了当演员的梦想。应用:While you have made a wonderful plan,it i

32、s 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。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 computer

33、s 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 i

34、t 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。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

35、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 decision on when to start来源:学 are going B. finished; go C. finishes ;are going D. finishes; go3. Lets keep to the point or we _ any decisions.A. will never reach B. have never reached C. never r

36、each D. never reached4. Whats that terrible noise?- The neighbors _ for a party.A. have prepared B. are preparing C. prepare D. will prepare5. At this time tomorrow _ over the Atlantic.A. were going to fly B. well be flying C. well fly D. were to fly6. When will you come to see me, Dad?- I will go t

37、o see you when you _ the training course.A. will have finished B. will finish C. are finishing D. finish7. I wonder why Jenny _ to us recently. We should have heard from her by now.A. hasnt written B. doesnt write C. wont write D. hadnt written8. Selecting a mobile phone for personal use is no easy

38、task because technology _ so rapidly.A. is changing B. has changed C. will have changed D. will change9. In such dry weather, the flowers will have to be watered if they _. A. have survived B. are to survive C. would survive D. will survive10. Youve left the light on.- Oh, I _ as ill as I do now for

39、 a very long time.A. Ill go B. Ive gone C. I go D. Im going来源:学科网 ZXXK11. Have you heard from Janet recently?- No, but I _ her over Christmas.A. saw B. ill be seeing C. have seen D. have been seeing12. Alices second-hand computer _ wrong although she used it only once.- Youd better go to check it.第

40、12 页 共 13 页 A. went B. has gone C. is going D. had gone13. Was Charles still there when you arrived?- Yes, but he _ home soon afterwards.A. had gone B. has gone C. is going D. went14. Isnt it hard to drive downtown to work?- Yes, thats why I _ to work by train.A. have been going B. have gone C. was

41、going D. will have gone15. Dont go there alone in such late hours.- Dont worry. I _.A. dont B. wont C. didnt D. havent16. I _ to a party, but Ive got nothing to wear.- Why dont you have a dress made for the party?A. was asked B. will ask C. have asked D. have been asked17. Do you know if the fi lm _

42、 on this week?- No, it _ in Beijing first.A. has been; shows B. was; ought to show C. will be; is shown D. is; should be shown18. Look, it _ again.- Yeah. This is the fourth snow we _ the month.A. is snowing; have had B. is raining; will have C. snow; have D. will snow; had19. A good film is on in t

43、he cinema, what about going t here?- If you dont go there, nor _ I.A. will B. do C. am D. did20. Many new workers _ trained and in half a year they _ to build a new railway.A. are being; will be sent B. are; will be sendingC. are; will send D. will be; will be sent参考答案课前 自主预习I 词汇认知 A. 单词识记1 . climat

44、e 2. reality 3. crime 4. entertainment 5 . flood 6. affect 7. attack 8. crash 9. disappear 10. harm 11. focus 12. likely 13. artificial 14. optimistic 15. pessimistic 16. obvious 17. rapidly B. .1. affects 2. entertainments 3. reality 4. focused 5. harm 6. disappear 7. destination8arrangementsII 根据课

45、文内容翻译以下短语1. be likely to do sth 2. focus on 3. come true 4. in secret 5. go wrong6. find out 7. in the past thirty years 8. be connected to 9. be optimistic about 10. get information from 11. on the Internet 12. as if 13. It is clear that.课堂 互动探究Fast ReadingStep one: 第 13 页 共 13 页 T F T F T TStep Two: 1. rapid 改为 rapidly 2. make 前加 and 3. book 前加 to 4. connecting 改为 connected 5. This 改为 It 6. personal 改为 personally 7. much 改为 more 8. as 改为 with语法精讲Keys:1-5 DCABB 6-10 DACBA 11-15 B ADB 16-20 DCAAA

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