人教版高中英语必修2unit4课文知识点详解 (2).ppt

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1、人教版高中英人教版高中英语必修必修2unit4课文知文知识点点详解解5.The rise in the price of bread will5.The rise in the price of bread will (影响影响)all the people in that small town.)all the people in that small town.6.Protecting the 6.Protecting the w w is very important is very important for keeping the balance of nature.for keep

2、ing the balance of nature.7.When she died,I was filled with a sense of7.When she died,I was filled with a sense of l l .8.The teacher walked around 8.The teacher walked around i i their their work.work.9.Information must be stored so that it is9.Information must be stored so that it is s s from acci

3、dental deletion.from accidental deletion.10.For the past three years he has been 10.For the past three years he has been e e as a firefighter.as a firefighter.affectaffectildlifeildlifeossossnspectingnspectingecureecuremployedmployed.重点短语再现重点短语再现1.1.根据根据所说所说2.2.形成；产生形成；产生3.3.如释重负如释重负4.4.突然笑起来突然笑起来5.

4、5.和平地和平地6.6.灭亡；逐渐消失灭亡；逐渐消失7.7.保护保护不受不受（危害）（危害）8.8.注意注意9.9.在危险中在危险中10.10.确信确信according toaccording tocome into beingcome into beingin reliefin reliefburst into laughterburst into laughterin peacein peacedie outdie outprotect.fromprotect.frompay attention topay attention toin danger(of)in danger(of)fo

5、r surefor sure.典型句式运用典型句式运用1.It shows the importance of wildlife 1.It shows the importance of wildlife protection,but Id like to help as the WWF protection,but Id like to help as the WWF suggests.suggests.这表明了野生动植物保护的重要性，不这表明了野生动植物保护的重要性，不 过，我还想按照世界野生生物基金会的建议来帮过，我还想按照世界野生生物基金会的建议来帮 助你们。助你们。（1 1）woul

6、d likewould like后接后接 或或 ，若用，若用Id love to doId love to do，则语气较强，则语气较强 烈，意思是烈，意思是“想要做想要做”。第一人称后也可以用。第一人称后也可以用 should likeshould like。考点提炼考点提炼to doto dosb.to dosb.to do（2 2）would likewould like意为意为“希望；想希望；想”，相当于，相当于wish,want,wish,want,后可接名词。后可接名词。(3)Would you like.?(3)Would you like.?或或Would you like t

7、o.?Would you like to.?常表示非常委婉、客气地征询意见。常表示非常委婉、客气地征询意见。注意注意 Would you like.?Would you like.?或或Would you like Would you like to.?to.?是一种委婉客气的语气，因此常用是一种委婉客气的语气，因此常用Yes,please.Yes,please.或或Sorry,ISorry,Im afraid not.m afraid not.等比较婉转等比较婉转的回答。的回答。2.But what an experience!2.But what an experience!但是这是一次（

8、多么奇但是这是一次（多么奇 妙的）经历啊！妙的）经历啊！此句为此句为whatwhat引导的感叹句的引导的感叹句的 ，即即:But what an experience she had!:But what an experience she had!感叹句一感叹句一 般表示说话时的喜悦、惊讶等情感，常用般表示说话时的喜悦、惊讶等情感，常用 和和 引导。引导。考点提炼考点提炼省略省略whatwhathowhow3.What must be done if wildlife protection is 3.What must be done if wildlife protection is to

9、succeed?to succeed?野生动物保护要想成功，我们必须做野生动物保护要想成功，我们必须做 些什么？些什么？is to succeedis to succeed是一个是一个“be+be+动词不定式动词不定式”结构，此处表示结构，此处表示 的打算。的打算。be tobe to后接动词原形后接动词原形 表示表示 。考点提炼考点提炼将来将来按计划要发生的事或征求对方的意见按计划要发生的事或征求对方的意见4.This is the only home of the red Colobus 4.This is the only home of the red Colobus monkey b

10、ut there are very few left.monkey but there are very few left.这是红色这是红色 疣猴的唯一栖息地，但是现在所剩无几了。疣猴的唯一栖息地，但是现在所剩无几了。There be(no).left for sth.There be(no).left for sth./doing sth./doing sth.是一个固定的句型，意思是是一个固定的句型，意思是“”。leftleft是是leaveleave的过的过 去分词，用于名词或复合不定代词之后作去分词，用于名词或复合不定代词之后作 语，语，意思是意思是“”。考点提炼考点提炼为某物为某物/

11、做某事还留下做某事还留下/没留下没留下定定剩下的；剩余的剩下的；剩余的导练互动导练互动重点单词重点单词1.affect1.affect It contains a powerful drug which It contains a powerful drug which mosquitoes.(mosquitoes.(回归课本回归课本P P2626)观察思考观察思考 The tax increases have affected us all.The tax increases have affected us all.加税已经影响了我们大家。加税已经影响了我们大家。Their opinion

12、 will not affect my decision.Their opinion will not affect my decision.他们的意见不会影响我的决定。他们的意见不会影响我的决定。We were deeply affected by the news of her We were deeply affected by the news of her death.death.她死亡的噩耗使我们深为感伤。她死亡的噩耗使我们深为感伤。The condition affects one in five women.The condition affects one in five w

13、omen.每五个妇女中就有一个人患有这种病。每五个妇女中就有一个人患有这种病。affectsaffects归纳总结归纳总结affect affect 。affect sb.to tearsaffect sb.to tears把某人感动得流泪把某人感动得流泪be greatly affectedbe greatly affected很受感动很受感动be affected by heatbe affected by heat中暑中暑be affected with high feverbe affected with high fever发高烧发高烧have an effect onhave an

14、 effect on对对有影响有影响in effectin effect实际上；事实上实际上；事实上side effectside effect副作用副作用take effecttake effect开始起作用；见效开始起作用；见效without effectwithout effect没有效果没有效果come into effectcome into effect开始实施；生效开始实施；生效bring/carry.into effectbring/carry.into effect使使生效生效to no effectto no effect毫无效果；毫无成效毫无效果；毫无成效vtvt.影响；

15、感动；（疾病）侵袭影响；感动；（疾病）侵袭即学即用即学即用（1 1）The disease is beginningThe disease is beginning (侵袭到她的视力侵袭到她的视力).).（2 2）Does televisionDoes television (对对有影响有影响)childrens behaviour?)childrens behaviour?to affect herto affect hereyesighteyesighthave an effect onhave an effect on2.contain2.contain It It a powerful

16、 drug which affects a powerful drug which affects mosquitoes.(mosquitoes.(回归课本回归课本P P2626)观察思考观察思考 This drink doesnt contain any alcohol.This drink doesnt contain any alcohol.这种饮料不含有任何酒精。这种饮料不含有任何酒精。The bottle contains two litres.The bottle contains two litres.此瓶容量为两升。此瓶容量为两升。containscontains归纳总结归纳总

17、结contain contain 。易混辨异易混辨异contain,include,including,includedcontain,include,including,included(1)contain(1)contain意为意为“包含，含有；容纳；里面装包含，含有；容纳；里面装有有”，指的是包含的全部内容或容量，也可指里面，指的是包含的全部内容或容量，也可指里面所含的成分。其宾语与主语常是同位关系，不用于所含的成分。其宾语与主语常是同位关系，不用于进行时态。此外，进行时态。此外，containcontain还有还有“控制，克制控制，克制”之意。之意。v v.包含，包括；容纳包含，包括；

18、容纳(2)include(2)include意为意为“包含；连包含；连在内；计入，算在内；计入，算入；包括入；包括”，只能用于表示所包含之物中的一部，只能用于表示所包含之物中的一部分，其后的宾语往往是主语的一部分。分，其后的宾语往往是主语的一部分。(3)including(3)including可以作介词连接介词短语，放在所包可以作介词连接介词短语，放在所包括的东西之前。括的东西之前。(4)included(4)included是过去分词性质的形容词，放在所包括是过去分词性质的形容词，放在所包括的东西之后。的东西之后。即学即用即学即用（1 1）她气急了，无法控制自己。）她气急了，无法控制自己。

19、She was too angry to She was too angry to .（2 2）许多人喜欢网球，也包括我）许多人喜欢网球，也包括我/我也在内。我也在内。Many people like tennis,Many people like tennis,.contain herselfcontain herselfincluding me/including me/me includedme included3.attention3.attention You should pay more You should pay more to the to the rainforest w

20、here I live and appreciate how rainforest where I live and appreciate how the animals live together.(the animals live together.(回归课本回归课本P P2626)观察思考观察思考 A great deal of attention has been paid to A great deal of attention has been paid to protecting the environment.protecting the environment.人们已对保护环

21、境投入了很多注意力。人们已对保护环境投入了很多注意力。You speak English well,but youd better You speak English well,but youd better pay more attention to your written English.pay more attention to your written English.你英语讲得很好，但最好对书面英语多加注意。你英语讲得很好，但最好对书面英语多加注意。attentionattention归纳总结归纳总结attention attention 。pay/give attention t

22、opay/give attention to注意注意attract/catch/draw/get ones attentionattract/catch/draw/get ones attention吸引某吸引某人的注意力人的注意力fix/focus ones attention onfix/focus ones attention on集中注意力于集中注意力于devote ones attention todevote ones attention to专心于专心于turn ones attention toturn ones attention to将注意力转向将注意力转向n n.注意力；

23、注意，留心注意力；注意，留心即学即用即学即用(1)(1)失业率日渐升高引起了他的注意。失业率日渐升高引起了他的注意。He He the rising the rising unemployment.unemployment.(2)(2)我们倾听他所说的话。我们倾听他所说的话。We listened We listened to what he to what he said.said.drew attention todrew attention towith attentionwith attention4.appreciate4.appreciate You should pay more

24、 attention to the You should pay more attention to the rainforest where I live and rainforest where I live and how the animals live together.(how the animals live together.(回归课本回归课本P P2626)观察思考观察思考 His works were not appreciated until after His works were not appreciated until after his death.his de

25、ath.直到他死后他的作品才受到重视。直到他死后他的作品才受到重视。Id appreciate some help.Id appreciate some help.如果有人帮忙我将非常感激。如果有人帮忙我将非常感激。I dont think you appreciate the danger of I dont think you appreciate the danger of this job.this job.我觉得你没有认识到这项工作的危险。我觉得你没有认识到这项工作的危险。appreciateappreciate归纳总结归纳总结appreciate appreciate 。appre

26、ciate+appreciate+n n./doing./doing感激（欣赏；觉得感激（欣赏；觉得；感；感谢谢）appreciate it+ifappreciate it+if从句从句 感激感激vtvt.欣赏，赏识；感谢；察知；觉得欣赏，赏识；感谢；察知；觉得即学即用即学即用（1 1）我实在喜欢有时间放松一下。）我实在喜欢有时间放松一下。I really appreciate I really appreciate .（2 2）若是你肯帮那个忙，我会非常感激的。）若是你肯帮那个忙，我会非常感激的。if you will do me if you will do me that favour.

27、that favour.having time to relaxhaving time to relaxI shall appreciate itI shall appreciate it5.certain5.certain They allowed tourists to hunt only a They allowed tourists to hunt only a number of animals if they paid number of animals if they paid the farmers.(the farmers.(回归课本回归课本P P2626)观察思考观察思考

28、They are certain to agree.They are certain to agree.他们肯定会同意。他们肯定会同意。For certain reasons,I shall not be able to For certain reasons,I shall not be able to attend.attend.由于某些原因，我将不能出席。由于某些原因，我将不能出席。certaincertain归纳总结归纳总结certain certain 。(1)for certain(1)for certain无疑地；确定地无疑地；确定地make certain(that.)make

29、 certain(that.)弄清楚；弄明白；弄确实弄清楚；弄明白；弄确实make certain of sth./of doing sth.make certain of sth./of doing sth.确保（做某确保（做某事）事）(2)make sure of sth./doing sth.(2)make sure of sth./doing sth.把把弄清楚；弄清楚；确保确保make sure that.make sure that.务必；确保务必；确保be sure of(about)sth./doing sth.be sure of(about)sth./doing sth.表

30、示表示“确确信信”，指句子的主语对某事有信心。，指句子的主语对某事有信心。be sure to do sth.be sure to do sth.表示表示“一定会做某事一定会做某事”，指说，指说话者对某事有信心或命令别人做某事。话者对某事有信心或命令别人做某事。adjadj.确定的；某种确定的；某种即学即用即学即用（1 1）毫无疑问，月亮绕着地球旋转。）毫无疑问，月亮绕着地球旋转。It is certain thatIt is certain that .（2 2）他肯定会来。）他肯定会来。He He e.the moon goes roundthe moon goes roundthe ea

31、rththe earthis certain tois certain to重点短语与句型重点短语与句型6.protect.from.6.protect.from.Im Im myself myself mosquitoes.mosquitoes.(回归课本回归课本P P2626)观察思考观察思考 He raised his arm to protect his child from He raised his arm to protect his child from hurt.hurt.他伸出手去，保护他的孩子免受伤害。他伸出手去，保护他的孩子免受伤害。They huddled toget

32、her to protect themselves They huddled together to protect themselves from the wind.from the wind.他们挤在一起，免受风吹。他们挤在一起，免受风吹。protectingprotectingfromfrom归纳总结归纳总结protect.from.protect.from.意为：意为：。(1)protect against(1)protect against和和protect fromprotect from意思相似，有时意思相似，有时可互换，但是，对于较大的事情，如：敌人的入侵、可互换，但是，对于较

33、大的事情，如：敌人的入侵、天灾等，常用天灾等，常用protect against,protect against,对于较小的事情常用对于较小的事情常用protect fromprotect from。(2)(2)在在protect.from/against.protect.from/against.结构中，结构中，fromfrom和和againstagainst后面常跟后面常跟sth.,sth.,有时有时againstagainst后跟后跟being donebeing done来强调动作的被动性。来强调动作的被动性。(3)(3)主动句中主动句中prevent/stop.from.preven

34、t/stop.from.中的中的fromfrom可省可省略，在被动句中略，在被动句中fromfrom不可省略，而不可省略，而keep.from.keep.from.中中的的fromfrom无论在主动句还是在被动句中都不能省略。无论在主动句还是在被动句中都不能省略。(4)prevent/keep/stop sb./sth.from doing sth.(4)prevent/keep/stop sb./sth.from doing sth.阻止阻止某人做某事某人做某事/阻止某事发生阻止某事发生保护保护不受不受(危害危害)即学即用即学即用（1 1）He is wearing sunglasses t

35、o He is wearing sunglasses to his his eyes from the strong sunlight.eyes from the strong sunlight.A.protect A.protectB.holdB.hold C.stop C.stopD.preventD.prevent（2 2）The umbrella can The umbrella can you from the rain.you from the rain.A.stopA.stopB.preventB.prevent C.protect C.protectD.keepD.keepAC

36、用所给动词的适当形式填空用所给动词的适当形式填空（3 3）We young people should do something we We young people should do something we can can (keep)the sea(keep)the sea (pollute).(pollute).to keepto keepfrom being from being pollutedpolluted7.die out7.die out As a result these endangered animals may As a result these endanger

37、ed animals may even even .(.(回归课本回归课本P P2525)观察思考观察思考 Many traditional customs have died out Many traditional customs have died out because they are out of date.because they are out of date.因为已经过时，许多传统风俗正逐渐消失。因为已经过时，许多传统风俗正逐渐消失。The fire is dying out.Youd better add The fire is dying out.Youd better

38、add some firewood.some firewood.火快灭了，你最好添点柴火。火快灭了，你最好添点柴火。die outdie out归纳总结归纳总结die outdie out意为：意为：。die awaydie away（声音、光线、风等）渐渐消失（声音、光线、风等）渐渐消失die downdie down平息；（渐渐）熄灭；缓和平息；（渐渐）熄灭；缓和die offdie off（家族、种族等）相继死亡；（草木等）先（家族、种族等）相继死亡；（草木等）先后枯死后枯死die of/fromdie of/from死于死于be dying for sth./to do sth.be

39、dying for sth./to do sth.极想得到某物极想得到某物/渴望渴望做某事做某事灭亡，灭绝；逐渐消失灭亡，灭绝；逐渐消失即学即用即学即用(1)(1)现在的英语与现在的英语与500500年前的英语已大不相同，有一年前的英语已大不相同，有一 些甚至会在今后完全消失。些甚至会在今后完全消失。The English of today is very different The English of today is very different from the English of 500 years ago.In from the English of 500 years ago.

40、In time,some even time,some even pletely.(2)(2)随着汽车越走越远，马达声渐渐消失。随着汽车越走越远，马达声渐渐消失。The sound of the engine The sound of the engine as the as the car drove into the distance.car drove into the distance.die outdie outdied awaydied e into e into being They lived on the earth tens of millions of They live

41、d on the earth tens of millions of years ago,long before humans years ago,long before humans .(.(回归课本回归课本P P3030)观察思考观察思考 We dont exactly know when the universe We dont exactly know when the universe came into being.came into being.我们不确定宇宙是何时形成的。我们不确定宇宙是何时形成的。The Irish Free State came into being in

42、The Irish Free State came into being in 1922.1922.爱尔兰自由邦成立于爱尔兰自由邦成立于19221922年。年。came into beingcame into being归纳总结归纳总结come into beingcome into being意为：意为：。come into effect/force/operationcome into effect/force/operation开始生效开始生效/执行执行/实施实施come into existencecome into existence开始存在开始存在come into fashion

43、come into fashion开始流行，风靡开始流行，风靡come into actioncome into action开始行动开始行动come into officecome into office就职就职come into sightcome into sight看得见看得见come into usecome into use开始使用开始使用come into blossomcome into blossom开花开花come into powercome into power掌权，上台掌权，上台形成；产生形成；产生即学即用即学即用(1)(1)没有人知道，世界是何时形成的。没有人知道，

44、世界是何时形成的。No one knows when the world No one knows when the world .(2)A(2)A字形短裙再度流行起来了。字形短裙再度流行起来了。A Aline skirts are line skirts are again.again.came into beingcame into beingcoming into fashioncoming into fashion9.They lived on the earth tens of millions 9.They lived on the earth tens of millions o

45、f years ago,long before humans came of years ago,long before humans came into being.into being.千百万年前恐龙就在地球上生千百万年前恐龙就在地球上生 活，比人类的出现要早得多活，比人类的出现要早得多 典例体验典例体验 It wont be It wont be he goes abroad.he goes abroad.不久之后他就要出国。不久之后他就要出国。I had heard of him I had heard of him I came I came here.here.早在我来这儿很久以前

46、我就听说过他的情况。早在我来这儿很久以前我就听说过他的情况。long beforelong beforelong beforelong before归纳总结归纳总结(1)long before(1)long before相当于相当于long long ago,long long ago,意为意为“”，常用于，常用于 或或 的句的句子中作时间状语，子中作时间状语，beforebefore后边可以跟从句。后边可以跟从句。(2)before long(2)before long相当于相当于soonsoon或或a little latera little later，意，意为为“不久；不久以后不久；不

47、久以后”，常与将来时、过去时态连，常与将来时、过去时态连用，在句中作状语，不可以直接加从句。用，在句中作状语，不可以直接加从句。(3)It is/was not long before+(3)It is/was not long before+从句从句 不久就不久就It will not be long before+It will not be long before+从句从句 过不了多久过不了多久就就（主句用一般将来时，从句用一般现在时）（主句用一般将来时，从句用一般现在时）(4)It will be long before+(4)It will be long before+从句从句 要

48、过很久要过很久才才很久以前很久以前过去时过去时过去完成时过去完成时即学即用即学即用（1 1）He was told that it would be at least He was told that it would be at least three more months three more months he could recover he could recover and return to work.and return to work.A.when A.whenB.beforeB.before C.since C.sinceD.thatD.that 解析解析 本题考查时间状

49、语从句的引导词。由本题考查时间状语从句的引导词。由 It+be+It+be+时间段时间段+before+before从句从句“要过多久才要过多久才”可知，此处用可知，此处用beforebefore。句式。句式“It is/has It is/has been+been+时间段时间段+since+since从句从句”，表示，表示“自从自从 以来已有以来已有”。（2 2）在你到家前很久他就走了。）在你到家前很久他就走了。He had left He had left you arrived home.you arrived home.long beforelong beforeB考题回扣考题回扣【

50、例例1 1】Hi,Torry,can I use your computer for Hi,Torry,can I use your computer for a while this afternoon?a while this afternoon?Sorry.Sorry.（江苏高考）（江苏高考）A.Its repairedA.Its repaired B.It has been repaired B.It has been repaired C.Its being repaired C.Its being repaired D.It had been repaired D.It had b