人教版高中英语必修2unit4课文知识点详解.pptx

人教版高中英语必修人教版高中英语必修2unit4课文知识点详课文知识点详解解5.The rise in the price of bread will (影响)all the people in that small town.6.Protecting the w is very important for keeping the balance of nature.7.When she died,I was filled with a sense of l .8.The teacher walked around i their work.9.Information must be stored so that it is s from accidental deletion.10.For the past three years he has been e as a firefighter.affectildlifeossnspectingecuremployed第1页/共67页.重点短语再现1.根据所说2.形成；产生3.如释重负4.突然笑起来5.和平地6.灭亡；逐渐消失7.保护不受（危害）8.注意9.在危险中10.确信according tocome into beingin reliefburst into laughterin peacedie outprotect.frompay attention toin danger(of)for sure第2页/共67页.典型句式运用1.It shows the importance of wildlife protection,but Id like to help as the WWF suggests.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 助你们。（1）would like后接 或 ，若用Id love to do，则语气较强 烈，意思是“想要做”。第一人称后也可以用 should like。考点提炼to dosb.to do第3页/共67页（2）would like意为“希望；想”，相当于wish,want,后可接名词。(3)Would you like.?或Would you like to.?常表示非常委婉、客气地征询意见。注意 Would you like.?或Would you like to.?是一种委婉客气的语气，因此常用Yes,please.或Sorry,Im afraid not.等比较婉转的回答。第4页/共67页2.But what an experience!但是这是一次（多么奇 妙的）经历啊！此句为what引导的感叹句的 ，即:But what an experience she had!感叹句一 般表示说话时的喜悦、惊讶等情感，常用 和 引导。考点提炼省略whathow第5页/共67页3.What must be done if wildlife protection is to succeed?野生动物保护要想成功，我们必须做 些什么？is to succeed是一个“be+动词不定式”结构，此处表示 的打算。be to后接动词原形 表示 。考点提炼将来按计划要发生的事或征求对方的意见第6页/共67页4.This is the only home of the red Colobus monkey but there are very few left.这是红色 疣猴的唯一栖息地，但是现在所剩无几了。There be(no).left for sth./doing sth.是一个固定的句型，意思是“”。left是leave的过 去分词，用于名词或复合不定代词之后作 语，意思是“”。考点提炼为某物/做某事还留下/没留下定剩下的；剩余的第7页/共67页导练互动重点单词1.affect It contains a powerful drug which mosquitoes.(回归课本P26)观察思考 The tax increases have affected us all.加税已经影响了我们大家。Their opinion will not affect my decision.他们的意见不会影响我的决定。We were deeply affected by the news of her death.她死亡的噩耗使我们深为感伤。The condition affects one in five women.每五个妇女中就有一个人患有这种病。affects第8页/共67页归纳总结affect 。affect sb.to tears把某人感动得流泪be greatly affected很受感动be affected by heat中暑be affected with high fever发高烧have an effect on对有影响in effect实际上；事实上side effect副作用take effect开始起作用；见效without effect没有效果come into effect开始实施；生效bring/carry.into effect使生效to no effect毫无效果；毫无成效vt.影响；感动；（疾病）侵袭第9页/共67页即学即用（1）The disease is beginning (侵袭到她的视力).（2）Does television (对有影响)childrens behaviour?to affect hereyesighthave an effect on第10页/共67页2.contain It a powerful drug which affects mosquitoes.(回归课本P26)观察思考 This drink doesnt contain any alcohol.这种饮料不含有任何酒精。The bottle contains two litres.此瓶容量为两升。contains第11页/共67页归纳总结contain 。易混辨异contain,include,including,included(1)contain意为“包含，含有；容纳；里面装有”，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，不用于进行时态。此外，contain还有“控制，克制”之意。v.包含，包括；容纳第12页/共67页(2)include意为“包含；连在内；计入，算入；包括”，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。(3)including可以作介词连接介词短语，放在所包括的东西之前。(4)included是过去分词性质的形容词，放在所包括的东西之后。第13页/共67页即学即用（1）她气急了，无法控制自己。She was too angry to .（2）许多人喜欢网球，也包括我/我也在内。Many people like tennis,.contain herselfincluding me/me included第14页/共67页3.attention You should pay more to the rainforest where I live and appreciate how the animals live together.(回归课本P26)观察思考 A great deal of attention has been paid to protecting the environment.人们已对保护环境投入了很多注意力。You speak English well,but youd better 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。attention第15页/共67页归纳总结attention 。pay/give attention to注意attract/catch/draw/get ones attention吸引某人的注意力fix/focus ones attention on集中注意力于devote ones attention to专心于turn ones attention to将注意力转向n.注意力；注意，留心第16页/共67页即学即用(1)失业率日渐升高引起了他的注意。He the rising unemployment.(2)我们倾听他所说的话。We listened to what he said.drew attention towith attention第17页/共67页4.appreciate You should pay more attention to the rainforest where I live and how the animals live together.(回归课本P26)观察思考 His works were not appreciated until after his death.直到他死后他的作品才受到重视。Id appreciate some help.如果有人帮忙我将非常感激。I dont think you appreciate the danger of this job.我觉得你没有认识到这项工作的危险。appreciate第18页/共67页归纳总结appreciate 。appreciate+n./doing感激（欣赏；觉得；感谢）appreciate it+if从句 感激vt.欣赏，赏识；感谢；察知；觉得第19页/共67页即学即用（1）我实在喜欢有时间放松一下。I really appreciate .（2）若是你肯帮那个忙，我会非常感激的。if you will do me that favour.having time to relaxI shall appreciate it第20页/共67页5.certain They allowed tourists to hunt only a number of animals if they paid the farmers.(回归课本P26)观察思考 They are certain to agree.他们肯定会同意。For certain reasons,I shall not be able to attend.由于某些原因，我将不能出席。certain第21页/共67页归纳总结certain 。(1)for certain无疑地；确定地make certain(that.)弄清楚；弄明白；弄确实make certain of sth./of doing sth.确保（做某事）(2)make sure of sth./doing sth.把弄清楚；确保make sure that.务必；确保be sure of(about)sth./doing sth.表示“确信”，指句子的主语对某事有信心。be sure to do sth.表示“一定会做某事”，指说话者对某事有信心或命令别人做某事。adj.确定的；某种第22页/共67页即学即用（1）毫无疑问，月亮绕着地球旋转。It is certain that .（2）他肯定会来。He come.the moon goes roundthe earthis certain to第23页/共67页重点短语与句型6.protect.from.Im myself mosquitoes.(回归课本P26)观察思考 He raised his arm to protect his child from hurt.他伸出手去，保护他的孩子免受伤害。They huddled together to protect themselves from the wind.他们挤在一起，免受风吹。protectingfrom第24页/共67页归纳总结protect.from.意为：。(1)protect against和protect from意思相似，有时可互换，但是，对于较大的事情，如：敌人的入侵、天灾等，常用protect against,对于较小的事情常用protect from。(2)在protect.from/against.结构中，from和against后面常跟sth.,有时against后跟being done来强调动作的被动性。(3)主动句中prevent/stop.from.中的from可省略，在被动句中from不可省略，而keep.from.中的from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.阻止某人做某事/阻止某事发生保护不受(危害)第25页/共67页即学即用（1）He is wearing sunglasses to his eyes from the strong sunlight.A.protectB.hold C.stopD.prevent（2）The umbrella can you from the rain.A.stopB.prevent C.protectD.keepAC用所给动词的适当形式填空（3）We young people should do something we can (keep)the sea (pollute).to keepfrom being polluted第26页/共67页7.die out As a result these endangered animals may even .(回归课本P25)观察思考 Many traditional customs have died out because they are out of date.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 some firewood.火快灭了，你最好添点柴火。die out第27页/共67页归纳总结die out意为：。die away（声音、光线、风等）渐渐消失die down平息；（渐渐）熄灭；缓和die off（家族、种族等）相继死亡；（草木等）先后枯死die of/from死于be dying for sth./to do sth.极想得到某物/渴望做某事灭亡，灭绝；逐渐消失第28页/共67页即学即用(1)现在的英语与500年前的英语已大不相同，有一 些甚至会在今后完全消失。The English of today is very different from the English of 500 years ago.In time,some even completely.(2)随着汽车越走越远，马达声渐渐消失。The sound of the engine as the car drove into the distance.die outdied away第29页/共67页e into being They lived on the earth tens of millions of years ago,long before humans .(回归课本P30)观察思考 We dont exactly know when the universe came into being.我们不确定宇宙是何时形成的。The Irish Free State came into being in 1922.爱尔兰自由邦成立于1922年。came into being第30页/共67页归纳总结come into being意为：。come into effect/force/operation开始生效/执行/实施come into existence开始存在come into fashion开始流行，风靡come into action开始行动come into office就职come into sight看得见come into use开始使用come into blossom开花come into power掌权，上台形成；产生第31页/共67页即学即用(1)没有人知道，世界是何时形成的。No one knows when the world .(2)A字形短裙再度流行起来了。Aline skirts are again.came into beingcoming into fashion第32页/共67页9.They lived on the earth tens of millions of years ago,long before humans came into being.千百万年前恐龙就在地球上生 活，比人类的出现要早得多 典例体验 It wont be he goes abroad.不久之后他就要出国。I had heard of him I came here.早在我来这儿很久以前我就听说过他的情况。long beforelong before第33页/共67页归纳总结(1)long before相当于long long ago,意为“”，常用于 或 的句子中作时间状语，before后边可以跟从句。(2)before long相当于soon或a little later，意为“不久；不久以后”，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。(3)It is/was not long before+从句 不久就It will not be long before+从句 过不了多久就（主句用一般将来时，从句用一般现在时）(4)It will be long before+从句 要过很久才很久以前过去时过去完成时第34页/共67页即学即用（1）He was told that it would be at least three more months he could recover and return to work.A.whenB.before C.sinceD.that 解析 本题考查时间状语从句的引导词。由 It+be+时间段+before从句“要过多久才”可知，此处用before。句式“It is/has been+时间段+since从句”，表示“自从 以来已有”。（2）在你到家前很久他就走了。He had left you arrived home.long beforeB第35页/共67页考题回扣【例1】Hi,Torry,can I use your computer for a while this afternoon?Sorry.（江苏高考）A.Its repaired B.It has been repaired C.Its being repaired D.It had been repaired 解析 由sorry可知，第二个说话者拒绝了第一个 说话者借电脑的要求，只有选C项，第二个人的理 由才充分。答句句意为：对不起，我的电脑正在 被修理。C第36页/共67页课文原文It said,“for the wool beneath our stomachs.”【例2】She stared at the painting,wondering where she it.（重庆高考）A.sawB.has seen C.seesD.had seenWere being killed第37页/共67页解析 句意为：她盯着这幅画，想知道她在哪儿见过它。动作see在stare at之前已发生，又因stare at发生在过去，故see应该是过去的过去，用过去完成时，故选D。答案 D课文原文Daisy to help endangered species of wildlife.had always longed第38页/共67页【例3】Many young people in the West are expected to leave could be lifes most important decisionmarriagealmost entirely up to luck.（江苏高考）A.as B.that C.which D.what 解析 分析句子结构，leave需要一个宾语；could be需要一个主语，所以要选一个能引导宾 语从句且能在句子中作主语的词，只有what能满 足要求。课文原文 I wonder is being done to help you.whatD第39页/共67页【例4】I dont care what people think.Well,you .（四川高考）A.couldB.would C.shouldD.might 解析 句意为:我不介意别人怎么想。噢，你应该在意。should意为“应该”，表示一 种建议，劝说。课文原文 You pay more attention to the rainforest where I live and appreciate how the animals live together.shouldC第40页/共67页【例5】Nine in ten parents said there were significant differences in their approach to educating their children compared with of their parents.（江苏高考）A.thoseB.one C.bothD.that 解析 从选项上可以看出此题考查的是代词的用 法。做题时可以先在空格处填上名词，然后再找 出相应的代词。根据句意空格处应该填the approach,所以应该用that指代。课文原文 At Daisy cried,“Im sorry I didnt know that.”thatD第41页/共67页写作技能如何写好并列句（一）并列连词的意义与作用 由两个或两个以上的简单句并列连接起来的句子叫并列句。并列句的基本句型是：“简单句+并列连词（或连接副词）+简单句”。不同的并列连词或连接副词表示不同的关系。所以，要写好并列句，首先必须了解每个并列连词的意义和功能。下表是对所有并列连词（或连接副词）的归类与功能的概括。第42页/共67页并列连词并列连词 其他意思相似的并列连词其他意思相似的并列连词 在句子中表示的意思在句子中表示的意思 andandfurthermore,besides,in furthermore,besides,in addition,moreover,also,addition,moreover,also,likewise,not only.but likewise,not only.but(also).(also).并列或递进（此外，并列或递进（此外，而且）而且）but,yet but,yet however,nevertheless,however,nevertheless,still,in contrast,while still,in contrast,while 对比（但是；然而）对比（但是；然而）for for 原因（因为）原因（因为）or or otherwise,not.but.,otherwise,not.but.,either.or.either.or.选择（或者，否则，选择（或者，否则，不然的话）不然的话）so so consequently,therefore,consequently,therefore,thus,accordingly,then thus,accordingly,then 结果（因此，所以）结果（因此，所以）nor nor neither neither 否定选择（也不）否定选择（也不）第43页/共67页即时练习请选择用的并列连词填空1.I dont agree with you,does my partner.2.Find out where they are going this evening ask if we may join them.3.He was very seriously ill;doctors have almost given up hope of his recovery.4.They go to concerts of pop music they really like it.5.She cant hope to pass the exam in December,shell have to wait till June.6.He broke the rules of the school;he had to leave.nor/neitherandthereforeforsotherefore第44页/共67页7.I dont know anything against the man;，I dont trust him.8.Ill buy a new suit when I get the cheque for the work I did;,Im afraid this old one will have to do a bit longer.9.is your answer wrong mine is.10.You must work harder;you will be put into another class.11.you come to my place or I go to yours.12.Id love to,I have lots of homework to do.13.Tom was rich his brother was very poor.howeverneverthelessNot onlyotherwiseEitherbutwhilebut also第45页/共67页自主检测.品句填词1.Almost all the animals have their special ways to p themselves from their enemies.2.As is known to all,a cow has four s .3.If you want to set up a company,first you must a to the government for permission.4.The hotel bill c every fee,including the broken glass.rotecttomachspplyontains第46页/共67页5.Mosquitoes are the kind of i which can be easily found in summer.6.He was a by the story of the hero.7.While reading,please pay much a to your pronunciation.8.Like bees,b also like beautiful fresh flowers.9.He may look fierce,but he means no h .10.The medicine has a great e on that disease.nsectffectedttentionutterfliesarmffect第47页/共67页.短语运用1.I have taken this medicine for three days,but it doesnt seem to me.2.You should your pronunciation so that you can make yourself understood.3.Because of human activities,many animals are .in peace,as a result,in danger,protect.from,die out,have an effect on,set up,too much,get dressed,pay attention tohave an effectonpay attention todying out第48页/共67页4.The old prefer to live in the countryside.5.The factory has a night school to provide the workers with more chances to be educated.6.The diet contains sugar and fat.7.Tom,its late for school.Get up and quickly.8.In order to his men hunger and disease,Captain Cook loaded his ship with everything necessary.in peaceset uptoo muchgetdressedprotecthis men第49页/共67页9.Why are these animals of disappearing?10.People held different views;,the discussion came to nothing.in dangeras a result.完成句子1.(结果)these endangered animals may even die out.2.Why are they (面临受罚的危险)？3.Daisy (一直都渴 望帮助)endangered species of wildlife.As a resultin danger of being punishedhad always longed to help第50页/共67页4.The flying carpet travelled (如此之快，以致于一转眼)they were in Zimbabwe.5.(这体现了野生动植物保护的重要 性),but Id like to help as the WWF suggests.6.Please listen to a story of the dodo and (看看它 是如何从地球上消失的).so fast thatnext minuteIt shows the importance of wildlifeprotectionhow it disappeared from the earth第51页/共67页.单项填空1.We had tried everything,but it made little .A.goodB.use C.resultD.difference 解析 make a difference有影响；起重要作用；make no(little)difference没有（几乎没）影 响，没有（几乎没有）起重要作用。句意为：我 们尝试了一切，但几乎都没用。D第52页/共67页2.With the water in the lake rising fast,villages around are .A.in dangerB.dangerous C.dangerD.in dangerous 解析 句意为：随着湖水的快速上涨，附近的村 庄处于危险之中。表示“在危险之中”，用in danger。dangerous是形容词，表示“危险的”，指带来或导致危险，本题的主语是village，带来 危险的是洪水，而不是村庄，村庄是处于危险之 中，故用in danger。A第53页/共67页3.My parents had to use they had to buy the house in which we are now living.A.whatB.what that C.all whatD.that 解析 what意为“所的事物（或人）”，不 能与all或that连用。what相当于all that。句意 为：我父母亲不得不用他们所有的积蓄来买我们 现在住的那幢房子。根据句意what是正确选择。A第54页/共67页4.The housework is too much for me,Jack.Sorry,but I cant help it,Joan.Ive got something important to do,you know.A.doB.doing C.to be doingD.having done 解析 cant help do或to do意为“不能帮助 做”，而cant help doing则意为“禁不住要 做”。A第55页/共67页5.Although he had to spend lots of money for going to the ball,he accepted the invitation.the ball was important to him.A.After allB.In all C.First of allD.Above all 解析 after all毕竟，终究；别忘了；in all总 共；first of all首先，第一；above all最重要 的。根据此句句意，我们可以判断出最佳选项。句意为：尽管他不得不花费大量的钱来参加舞 会，他还是接受了邀请，毕竟这次舞会对于他来 说很重要。A第56页/共67页6.How many passengers were in the plane?It 100,20 Japanese .A.contained;included B.contained;including C.included;contained D.contained;containing 解析 contain容纳，包含；include包括。句意 为：飞机里有100名乘客，包括20名日本乘客。第 二个空可用sb./sth.included或including sb./sth.。A第57页/共67页7.Obama being elected president has a great on the history of the USA.A.affection B.affect C.effectD.result 解析 句意为：奥巴马被选为总统对美国历史有 重大影响。affection情感；affect v.影响；感动；result结果。have a great effect on.对有重大影响。C第58页/共67页8.You should teach your son how to himself from fire.A.doB.care C.protectD.make 解析 句意为：你应该教你的儿子怎样免受大火 的危害。protect.from/against.保护免 受的危害。C第59页/共67页9.If we dont take steps,the Tibetan antelopes and pandas will some day just as dinosaurs,which is terrible.A.die outB.die away C.die downD.die off 解析 句意为：如果我们不采取措施，藏羚羊和 熊猫总有一天会像恐龙一样消失，这是很可怕的。die out渐渐消亡；die away(声音、光线、风声 等)逐渐消失；die down(火、情绪、风暴等)由 强变弱；die off(家庭、种族等)相继死亡。A第60页/共67页10.This is a place where children can play without