人教版高中英语必修2unit4课文知识点详解.ppt

Unit4Wildlifeprotection基础落实.高频单词思忆1.Wellgo(打猎)tomorrow.2.Iwouldreally(感激)itifyoucouldturnthemusicdown.3.Aftera(激烈的)battle,theenemywasforcedtoretreat(撤退).4.Oneofthephenomenathatattractedmy(注意力)wasthestructureofthehumanbody.,hunting,appreciate,fierce,attention,5.Theriseinthepriceofbreadwill(影响)allthepeopleinthatsmalltown.6.Protectingthewisveryimportantforkeepingthebalanceofnature.7.Whenshedied,Iwasfilledwithasenseofl.8.Theteacherwalkedarounditheirwork.9.Informationmustbestoredsothatitissfromaccidentaldeletion.10.Forthepastthreeyearshehasbeeneasafirefighter.,affect,ildlife,oss,nspecting,ecure,mployed,.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,accordingto,comeintobeing,inrelief,burstintolaughter,inpeace,dieout,protect.from,payattentionto,indanger(of),forsure,.典型句式运用1.Itshowstheimportanceofwildlifeprotection,butIdliketohelpastheWWFsuggests.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）wouldlike后接或，若用Idlovetodo，则语气较强烈，意思是“想要做”。第一人称后也可以用shouldlike。,考点提炼,todo,sb.todo,（2）wouldlike意为“希望；想”，相当于wish,want,后可接名词。(3)Wouldyoulike.?或Wouldyouliketo.?常表示非常委婉、客气地征询意见。注意Wouldyoulike.?或Wouldyouliketo.?是一种委婉客气的语气，因此常用Yes,please.或Sorry,Imafraidnot.等比较婉转的回答。,2.Butwhatanexperience!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:Butwhatanexperienceshehad!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,what,how,3.Whatmustbedoneifwildlifeprotectionistosucceed?野生动物保护要想成功，我们必须做些什么？istosucceed是一个“be+动词不定式”结构，此处表示的打算。beto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,4.ThisistheonlyhomeoftheredColobusmonkeybutthereareveryfewleft.这是红色疣猴的唯一栖息地，但是现在所剩无几了。Therebe(no).leftforsth./doingsth.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,导练互动重点单词1.affectItcontainsapowerfuldrugwhichmosquitoes.(回归课本P26)观察思考Thetaxincreaseshaveaffectedusall.加税已经影响了我们大家。Theiropinionwillnotaffectmydecision.他们的意见不会影响我的决定。Weweredeeplyaffectedbythenewsofherdeath.她死亡的噩耗使我们深为感伤。Theconditionaffectsoneinfivewomen.每五个妇女中就有一个人患有这种病。,affects,归纳总结affect。affectsb.totears把某人感动得流泪begreatlyaffected很受感动beaffectedbyheat中暑beaffectedwithhighfever发高烧haveaneffecton对有影响ineffect实际上；事实上sideeffect副作用takeeffect开始起作用；见效withouteffect没有效果comeintoeffect开始实施；生效bring/oeffect使生效,vt.影响；感动；（疾病）侵袭,即学即用（1）Thediseaseisbeginning(侵袭到她的视力).（2）Doestelevision(对有影响)childrensbehaviour?,toaffecther,eyesight,haveaneffecton,2.containItapowerfuldrugwhichaffectsmosquitoes.(回归课本P26)观察思考Thisdrinkdoesntcontainanyalcohol.这种饮料不含有任何酒精。Thebottlecontainstwolitres.此瓶容量为两升。,contains,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,(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。,即学即用（1）她气急了，无法控制自己。Shewastooangryto.（2）许多人喜欢网球，也包括我/我也在内。Manypeopleliketennis,.,containherself,includingme/,meincluded,3.attentionYoushouldpaymoretotherainforestwhereIliveandappreciatehowtheanimalslivetogether.(回归课本P26)观察思考Agreatdealofattentionhasbeenpaidtoprotectingtheenvironment.人们已对保护环境投入了很多注意力。YouspeakEnglishwell,butyoudbetterpaymoreattentiontoyourwrittenEnglish.你英语讲得很好，但最好对书面英语多加注意。,attention,归纳总结attention。pay/giveattentionto注意attract/catch/draw/getonesattention吸引某人的注意力fix/focusonesattentionon集中注意力于devoteonesattentionto专心于turnonesattentionto将注意力转向,n.注意力；注意，留心,即学即用(1)失业率日渐升高引起了他的注意。Hetherisingunemployment.(2)我们倾听他所说的话。Welistenedtowhathesaid.,drewattentionto,withattention,4.appreciateYoushouldpaymoreattentiontotherainforestwhereIliveandhowtheanimalslivetogether.(回归课本P26)观察思考Hisworkswerenotappreciateduntilafterhisdeath.直到他死后他的作品才受到重视。Idappreciatesomehelp.如果有人帮忙我将非常感激。Idontthinkyouappreciatethedangerofthisjob.我觉得你没有认识到这项工作的危险。,appreciate,归纳总结appreciate。appreciate+n./doing感激（欣赏；觉得；感谢）appreciateit+if从句感激,vt.欣赏，赏识；感谢；察知；觉得,即学即用（1）我实在喜欢有时间放松一下。Ireallyappreciate.（2）若是你肯帮那个忙，我会非常感激的。ifyouwilldomethatfavour.,havingtimetorelax,Ishallappreciateit,5.certainTheyallowedtouriststohuntonlyanumberofanimalsiftheypaidthefarmers.(回归课本P26)观察思考Theyarecertaintoagree.他们肯定会同意。Forcertainreasons,Ishallnotbeabletoattend.由于某些原因，我将不能出席。,certain,归纳总结certain。(1)forcertain无疑地；确定地makecertain(that.)弄清楚；弄明白；弄确实makecertainofsth./ofdoingsth.确保（做某事）(2)makesureofsth./doingsth.把弄清楚；确保makesurethat.务必；确保besureof(about)sth./doingsth.表示“确信”，指句子的主语对某事有信心。besuretodosth.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,即学即用（1）毫无疑问，月亮绕着地球旋转。Itiscertainthat.（2）他肯定会来。Hecome.,themoongoesround,theearth,iscertainto,重点短语与句型6.protect.from.Immyselfmosquitoes.(回归课本P26)观察思考Heraisedhisarmtoprotecthischildfromhurt.他伸出手去，保护他的孩子免受伤害。Theyhuddledtogethertoprotectthemselvesfromthewind.他们挤在一起，免受风吹。,protecting,from,归纳总结protect.from.意为：。(1)protectagainst和protectfrom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protectagainst,对于较小的事情常用protectfrom。(2)在protect.from/against.结构中，from和against后面常跟sth.,有时against后跟beingdone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/stopsb./sth.fromdoingsth.阻止某人做某事/阻止某事发生,保护不受(危害),即学即用（1）Heiswearingsunglassestohiseyesfromthestrongsunlight.A.protectB.holdC.stopD.prevent（2）Theumbrellacanyoufromtherain.A.stopB.preventC.protectD.keep,A,C,用所给动词的适当形式填空（3）Weyoungpeopleshoulddosomethingwecan(keep)thesea(pollute).,tokeep,frombeing,polluted,7.dieoutAsaresulttheseendangeredanimalsmayeven.(回归课本P25)观察思考Manytraditionalcustomshavediedoutbecausetheyareoutofdate.因为已经过时，许多传统风俗正逐渐消失。Thefireisdyingout.Youdbetteraddsomefirewood.火快灭了，你最好添点柴火。,dieout,归纳总结dieout意为：。dieaway（声音、光线、风等）渐渐消失diedown平息；（渐渐）熄灭；缓和dieoff（家族、种族等）相继死亡；（草木等）先后枯死dieof/from死于bedyingforsth./todosth.极想得到某物/渴望做某事,灭亡，灭绝；逐渐消失,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。TheEnglishoftodayisverydifferentfromtheEnglishof500yearsago.Intime,someevencompletely.(2)随着汽车越走越远，马达声渐渐消失。Thesoundoftheengineasthecardroveintothedistance.,dieout,diedaway,eintobeingTheylivedontheearthtensofmillionsofyearsago,longbeforehumans.(回归课本P30)观察思考Wedontexactlyknowwhentheuniversecameintobeing.我们不确定宇宙是何时形成的。TheIrishFreeStatecameintobeingin1922.爱尔兰自由邦成立于1922年。,cameintobeing,归纳总结comeintobeing意为：。comeintoeffect/force/operation开始生效/执行/实施comeintoexistence开始存在comeintofashion开始流行，风靡comeintoaction开始行动comeintooffice就职comeintosight看得见comeintouse开始使用comeintoblossom开花comeintopower掌权，上台,形成；产生,即学即用(1)没有人知道，世界是何时形成的。Nooneknowswhentheworld.(2)A字形短裙再度流行起来了。Alineskirtsareagain.,cameintobeing,comingintofashion,9.Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeing.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Itwontbehegoesabroad.不久之后他就要出国。IhadheardofhimIcamehere.早在我来这儿很久以前我就听说过他的情况。,longbefore,longbefore,归纳总结(1)longbefore相当于longlongago,意为“”，常用于或的句子中作时间状语，before后边可以跟从句。(2)beforelong相当于soon或alittlelater，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)Itis/wasnotlongbefore+从句不久就Itwillnotbelongbefore+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)Itwillbelongbefore+从句要过很久才,很久以前,过去时,过去完成时,即学即用（1）Hewastoldthatitwouldbeatleastthreemoremonthshecouldrecoverandreturntowork.A.whenB.beforeC.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“Itis/hasbeen+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。Hehadleftyouarrivedhome.,longbefore,B,考题回扣【例1】Hi,Torry,canIuseyourcomputerforawhilethisafternoon?Sorry.（江苏高考）A.ItsrepairedB.IthasbeenrepairedC.ItsbeingrepairedD.Ithadbeenrepaired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,课文原文Itsaid,“forthewoolbeneathourstomachs.”【例2】Shestaredatthepainting,wonderingwheresheit.（重庆高考）A.sawB.hasseenC.seesD.hadseen,Werebeingkilled,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stareat之前已发生，又因stareat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Daisytohelpendangeredspeciesofwildlife.,hadalwayslonged,【例3】ManyyoungpeopleintheWestareexpectedtoleavecouldbelifesmostimportantdecisionmarriagealmostentirelyuptoluck.（江苏高考）A.asB.thatC.whichD.what解析分析句子结构，leave需要一个宾语；couldbe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Iwonderisbeingdonetohelpyou.,what,D,【例4】Idontcarewhatpeoplethink.Well,you.（四川高考）A.couldB.wouldC.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YoupaymoreattentiontotherainforestwhereIliveandappreciatehowtheanimalslivetogether.,should,C,【例5】Nineintenparentssaidthereweresignificantdifferencesintheirapproachtoeducatingtheirchildrencomparedwithoftheirparents.（江苏高考）A.thoseB.oneC.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theapproach,所以应该用that指代。课文原文AtDaisycried,“ImsorryIdidntknowthat.”,that,D,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。,即时练习请选择用的并列连词填空1.Idontagreewithyou,doesmypartner.2.Findoutwheretheyaregoingthiseveningaskifwemayjointhem.3.Hewasveryseriouslyill;doctorshavealmostgivenuphopeofhisrecovery.4.Theygotoconcertsofpopmusictheyreallylikeit.5.ShecanthopetopasstheexaminDecember,shellhavetowaittillJune.6.Hebroketherulesoftheschool;hehadtoleave.,nor/neither,and,therefore,for,so,therefore,7.Idontknowanythingagainsttheman;，Idonttrusthim.8.IllbuyanewsuitwhenIgetthechequefortheworkIdid;,Imafraidthisoldonewillhavetodoabitlonger.9.isyouranswerwrongmineis.10.Youmustworkharder;youwillbeputintoanotherclass.11.youcometomyplaceorIgotoyours.12.Idloveto,Ihavelotsofhomeworktodo.13.Tomwasrichhisbrotherwasverypoor.,however,nevertheless,Notonly,otherwise,Either,but,while,butalso,自主检测.品句填词1.Almostalltheanimalshavetheirspecialwaystopthemselvesfromtheirenemies.2.Asisknowntoall,acowhasfours.3.Ifyouwanttosetupacompany,firstyoumustatothegovernmentforpermission.4.Thehotelbillceveryfee,includingthebrokenglass.,rotect,tomachs,pply,ontains,5.Mosquitoesarethekindofiwhichcanbeeasilyfoundinsummer.6.Hewasabythestoryofthehero.7.Whilereading,pleasepaymuchatoyourpronunciation.8.Likebees,balsolikebeautifulfreshflowers.9.Hemaylookfierce,buthemeansnoh.10.Themedicinehasagreateonthatdisease.,nsect,ffected,ttention,utterflies,arm,ffect,.短语运用1.Ihavetakenthismedicineforthreedays,butitdoesntseemtome.2.Youshouldyourpronunciationsothatyoucanmakeyourselfunderstood.3.Becauseofhumanactivities,manyanimalsare.,inpeace,asaresult,indanger,protect.from,dieout,haveaneffecton,setup,toomuch,getdressed,payattentionto,haveaneffect,on,payattentionto,dyingout,4.Theoldprefertoliveinthecountryside.5.Thefactoryhasanightschooltoprovidetheworkerswithmorechancestobeeducated.6.Thedietcontainssugarandfat.7.Tom,itslateforschool.Getupandquickly.8.Inordertohismenhungeranddisease,CaptainCookloadedhisshipwitheverythingnecessary.,inpeace,setup,toomuch,get,dressed,protect,hismen,9.Whyaretheseanimalsofdisappearing?10.Peoplehelddifferentviews;,thediscussioncametonothing.,indanger,asaresult,.完成句子1.(结果)theseendangeredanimalsmayevendieout.2.Whyarethey(面临受罚的危险)？3.Daisy(一直都渴望帮助)endangeredspeciesofwildlife.,Asaresult,indangerofbeingpunished,hadalwayslongedtohelp,4.Theflyingcarpettravelled(如此之快，以致于一转眼)theywereinZimbabwe.5.(这体现了野生动植物保护的重要性),butIdliketohelpastheWWFsuggests.6.Pleaselistentoastoryofthedodoand(看看它是如何从地球上消失的).,sofastthat,nextminute,Itshowstheimportanceofwildlife,protection,howitdisappearedfromtheearth,.单项填空1.Wehadtriedeverything,butitmadelittle.A.goodB.useC.resultD.difference解析makeadifference有影响；起重要作用；makeno(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,2.Withthewaterinthelakerisingfast,villagesaroundare.A.indangerB.dangerousC.dangerD.indangerous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indanger。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indanger。,A,3.Myparentshadtousetheyhadtobuythehouseinwhichwearenowliving.A.whatB.whatthatC.allwhatD.that解析what意为“所的事物（或人）”，不能与all或that连用。what相当于allthat。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,4.Thehouseworkistoomuchforme,Jack.Sorry,butIcanthelpit,Joan.Ivegotsomethingimportanttodo,youknow.A.doB.doingC.tobedoingD.havingdone解析canthelpdo或todo意为“不能帮助做”，而canthelpdoing则意为“禁不住要做”。,A,5.Althoughhehadtospendlotsofmoneyforgoingtotheball,heacceptedtheinvitation.theballwasimportanttohim.A.AfterallB.InallC.FirstofallD.Aboveall解析afterall毕竟，终究；别忘了；inall总共；firstofall首先，第一；aboveall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,6.Howmanypassengerswereintheplane?It100,20Japanese.A.contained;includedB.contained;includingC.included;containedD.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includingsb./sth.。,A,7.ObamabeingelectedpresidenthasagreatonthehistoryoftheUSA.A.affectionB.affectC.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；affectv.影响；感动；result结果。haveagreateffecton.对有重大影响。,C,8.Youshouldteachyoursonhowtohimselffromfire.A.doB.careC.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,9.Ifwedontt