高中英语人教版选修7 Unit 3 Section 2 课件概述

UndertheseaUnit3SectionⅡLearningaboutLanguageUnit3课堂要点探究2课堂达标验收3课后强化作业4课前新知预习1课前新知预习Ⅰ.词汇过关1．__________adj.自信的→_____________n．信心2．________v．幸存；经历……还活着→________n．幸存→________n．幸存者Ⅱ.短语自查1．可能已经做了某事___________________________2．中靶___________________________________3．使……一直做……____________________confidentconfidencesurvivesurvivalsurvivormight/mayhavedonesth.hitthetargetkeep...doingⅢ.句型转换1．ItisfunbeingtakentoBeijing.→________________________________isfun.2．ThatTomhadbeenadmittedintoafamousuniversitymadehisparentshappy.→________________________________________afamousuniversitymadehisparentshappy.3．Thebrokencarneedsrepairing.→Thebrokencar________________________________.4．Thoughhewastoldmanytimes,hecouldn'tunderstandit.→________________________manytimes,hecouldn'tunderstandit.5．Thequestionwhichisbeingdiscussednowisofgreatimportance.→Thequestion________________nowisveryimportant.答案：1.BeingtakentoBeijing2.Tom'shavingbeenadmittedinto3.needstoberepaired4.Havingbeentold5.beingdiscussed课堂要点探究1.confidentadj.自信的；有信心的；有把握的①Theteacherwantsthestudentstofeelconfidentaboutaskingquestionswhentheydon'tunderstand.老师要学生遇到不懂的问题就大胆提问。②I'mconfidentthatIcansucceed.我有信心能成功。知识拓展beconfidentof/that对……有把握confidencen．自信心；把握have/loseconfidencein...对……有/失去信心withconfidence自信地Thedoctorcouldnotsaywithconfidencethathewouldbeabletowalkagainaftertheaccident.医生不能肯定他经过那场事故后还能行走。活学活用补全句子那个一直对生活充满信心的教授由于他儿子的去世而精神崩溃。Theprofessorwhowasalways________________________lifebrokedownduetohisson'sdeath.答案：havingconfidencein2．survivevt.幸存于；经历……还活着；比……活得长vi.活着；继续存在①Manybirdsdidn'tsurvivetheseverewinterhere.这里许多鸟过不了严冬。②Theoldwomansurvivedherhusbandbytenyears.这位老太太比她丈夫多活了十年。③Ofthesixpeopleinjuredinthecrash,onlytwosurvived.因这次撞车事故受伤的六人中，只有两个活了下来。知识拓展survivorn．幸存者survivaln．幸存；死里逃生Theoldmanisthesurvivoroftheaircrashwhichhappenedinthecity.这位老人是发生在那个城市的飞机坠毁事件的幸存者。活学活用(1)Insuchdryandhotweatherthetreeswillhavetobewateredifthey________.A．willsurvive B．wouldsurviveC．havesurvived D．aretosurvive答案：D句意为“在这样炎热干燥的季节里，这些树要想存活的话，就得浇水。”在条件状语从句中，要用一般现在时表将来，所以A、B两项排除；C项表完成与题意不符；betodo这里表示“想要”之意，故应选D项。(2)Sinceyou________theearthquake,youshould______future.A．survived;beconfidentofB．survived;beconfidentC．survivedin;beconfidentD．survived;beconfidence答案：A本题考查survive和confident用法。survive是动词，“存活，幸免遇难”；confident是形容词，“有信心的，有把握的”；beconfidentof“对……有把握”；confidence是名词，“自信，信心”。句意为“既然你在地震中幸存下来，你应该对未来充满信心”。由此可知，A项符合句意。3．targetn．[C]目标；靶；受批评的对象vt.把……作为批评的对象；面向①I'vesetmyselfatargetofsaving20yuanamonth.我给自己定了一个目标：每月存上20元。②GuoDeganghasbecomethetargetforalotofcriticismrecently.郭德纲最近成了众矢之的。③Theenemy'smissilesweretargetedatourcities.敌方的导弹瞄准了我们的城市。知识拓展hit/missthetarget中/脱靶targetsth.on/at把……对准meet/achieveatarget达成目标setatarget设定目标on/offtarget准确/不准确命中目标salestarget销售目标movingtarget移动目标Heaimedatthetarget,firedbutmissedit.他瞄准靶子开火，却未打中。Theadvertisementisclearlytargetedontheyoung.这个广告显然是针对年轻人的。活学活用(1)完成句子①________________________thatyoucanreasonablyhopetoachieve.给自己制定有望达到的指标。②Idon'tlikethetelevisionadvertisements________________children.我不喜欢这些针对儿童的电视广告。答案：①Setyourselftargets②targetedat(2)Hisfatalmistakehadbecomethe________，forwhichhisteamlostthechancetoreachthelast16intheWorldCup.A．exampleB．handleC．face D．target答案：D本题考查词汇辨析。example“例子”；handle“柄，把手”；face“脸部”；target“目标，靶”。句意为“他致命的错误成了被攻击的目标，因为这个错误丧失了进军世界杯16强的机会”。由此可知D项正确。1.ThankGoditwas;otherwise,Imighthavebeenswallowedinstead!谢天谢地，否则，我也可能被吞没了。might/mayhavedone表示“可能已经做了某事”，用于对过去的情况进行推测。此外，might/mayhavedone还可表示“本来可以做某事(而实际上未做)”。如：MarymighthavelearnedsomeChinesebefore.玛丽以前可能学了一些汉语。知识拓展needn'thavedone本不必做某事(而实际上做了)can'thavedone不可能做了某事couldhavedone本可以做某事(而实际上未做)musthavedone一定做了某事oughtto/shouldhavedone本该做某事(而实际上未做)oughtn'tto/shouldn'thavedone本不该做某事(而实际上做了)活学活用(1)(2013·辽宁·31)Harryisfeelinguncomfortable.He________toomuchatthepartylastnight.A．coulddrink B．shoulddrinkC．wouldhavedrunk D．musthavedrunk答案：D考查情态动词的用法。句意：哈里感觉很不舒服。他一定是在昨晚的聚会上喝得太多了。此处是对过去行为的推测，故排除A，B项；C项意为：可能会喝；D项是对过去的肯定推测，“过去一定做了……”(2)(2013·陕西·21)Thechildren________lostinthewoods;otherwise,theywouldhavebeenatthelakesidecampasscheduled.A．musthavegot B．mustgetC．shouldhavegot D．shouldget答案：A本题考查情态动词。句意：孩子们一定是在树林里迷路了，否则按时间他们会在湖边野营了。根据下文可知此处是做了很有把握的肯定的推测，故用must；由wouldhavebeen可知是过去的事情，要表示对于过去的事情的推测要用“情态动词＋havedone”的形式，故选A项。C项表示“本应该做某事(而没做)”。(3)IgotcloseenoughtohearthemspeakingChinese,andIsaid“NiHao”，justasI________doinChina.A.mustB.mightC.canD.should答案：B本题考查情态动词。must“必须，一定”；might表示推测，“可能，或许”，常用于肯定句和否定句；can表示推测时常用于否定句和疑问句，“可能”；should表示“(按照义务、责任)应该，应当”。句意：我靠得足够近听到他们在说汉语，我也像在中国我可能做的那样，说了一声“您好”。根据句意应选B项。2．Theymaybemanykilometreslongwithplasticballstokeepthemfloatingonthewater,andweightstoholdthemdownontheseabed.他们或许有数千米长，且带有塑料球，以让它们漂浮在水面上；它们也带有很多重物，以让它们沉到海床上。(1)该句是一个简单句。句中and连接的两个介语短语withplasticballs...和(with)weights...作状语，以说明主语的状况；不定式短语tokeep...和tohold...作后置定语。(2)句中使用了“keep＋宾语＋宾补”结构，keep意为“使……处于某种状态”。该结构的常见形式有：①keep＋sb./sth.＋形容词/副词Iwastootiredtokeepmyeyesopen.我累得眼睛都睁不开了。Inourdailylife,wemustkeepourselvesawayfromdanger.日常生活中，我们必须使自己远离危险。②keep＋sb./sth.＋介宾短语Youshouldkeepyourhandsbehindyourbacks.你们要把手放在背后。③keep＋sb./sth.＋现在分词(表示动词或状态的持续)I'msorry.Ihavekeptyouwaitingoutsideforsolong.对不起，我让你在外面等了那么久。④keep＋sb./sth.＋过去分词(表示被动和状态的持续)Keepyourmouthshutandyoureyesopen.少说话，多观察。活学活用(1)补全句子他妈妈让他在外面站了五分钟。Hismotherkept________________________for5minutes.答案：himstandingoutside(2)Lucyhasagreatsenseofhumorandalwayskeepshercolleagues________withherstories.A．amused B．amusingC．toamuse D．tobeamused答案：A考查非谓语动词。keep＋sb./sth.＋宾补“使……处于某种状态”。根据句意，sb.与它后面的动词为被动关系，故选A项。动词v.­ing形式的被动语态Ⅰ.v.­ing形式的构成名称形式意义一般式主动doing表示的动作与谓语动词所表示的动作一般同时进行。被动beingdone表示一个被动的动作正在进行，或与谓语表示的动作同时进行。完成式主动havingdone表示的动作发生在谓语动词的动作之前。被动havingbeendone表示一个被动动作在谓语表示的动作之前已经完成了。Ⅱ.v.­ing形式的句法功能(1)作主语BeingpunishedbythecoachmadeTomunhappy.被教练惩罚了使汤姆不高兴。典题赏析(1)(2014·湖南·23)________yourownneedsandstylesofcommunicationisasimportantaslearningtoconveyyouraffectionandemotions.A．Understanding B．TobeunderstoodC．Beingunderstood D．Havingunderstood答案：A考查非谓语动词。所填词做题干的主语，应用动名词形式，且是陈述一个客观事实，用动名词的一般式，故选A项。(2)(2013·福建·22)________basicfirst­aidtechniqueswillhelpyourespondquicklytoemergencies.A．Known B．HavingknownC．Knowing D．Beingknown答案：C本题考查非谓语动词的用法。Knowingbasicfirst­aidtechniques为动名词短语，在句中充当主语。(2)作宾语①作动词的宾语Iappreciatehavingbeengiventhechancetostudyabroad.我很感激给我这次出国学习的机会。助记：下列动词只能用动名词作宾语，请记住下面口诀：考虑建议盼原谅，承认推迟没得想。避免错过继续练，否认完成就欣赏。禁止想像才冒险，不禁介意准逃亡。即：consider,suggest/advise,lookforwardto,excuse/pardon;admit,delay/putoff,fancy(想像，设想);avoid;miss,keep/keepon,practise;deny,finish,enjoy/appreciate;forbid,imagine,risk;can'thelp,mind,allow/permit,escape。②作介词的宾语Ilookforwardtobeinginvitedtohiswedding.我盼望能受邀参加他的婚礼。典题赏析(3)(2014·北京·35)Thefilmstarwearssunglasses.Therefore,hecangoshoppingwithout________.A．recognizingB．beingrecognizedC．havingrecognizedD．havingbeenrecognized答案：B考查动名词的用法。recognize“认出”，为及物动词，且与句子主语he构成逻辑上的动宾关系，故用被动形式，而D项表示发生在主句谓语之前的动作，不符合句子语境。句意为：那位电影明星戴着太阳镜。因此，他去购物的时候就不会被人认出来了。(4)(2014·陕西·12)It'squitehottoday.Doyoufeellike________foraswim?A．togo B．goingC．go D．havinggone答案：B本题考查非谓语动词。句意：今天太热了，你想去游泳吗？feellikedoing想要做某事。(3)作定语Thebridgebeingbuiltwillbefinishednextmonth.正在建的大桥下月将竣工。典题赏析(5)(2014·北京·25)Lastnight,thereweremillionsofpeople________theopeningceremonyliveonTV.A．watch B．towatchC．watched D．watching答案：D考查非谓语动词的用法。在“Therebe＋主语”句型中，主语后的动词常用非谓语形式作定语。people与watch之间为逻辑上的主谓关系，故排除A、C两项；D项不定式表示还没有发生的动作，故D项正确。句意为：昨天晚上有数百万的人观看了开幕式的现场直播。(6)(2014·山东·6)There'sanotepinnedtothedoor________whentheshopwillopenagain.A．saying B．saysC．said D．havingsaid答案：A考查非谓语动词。句意：门上贴着通知说，什么时候这个商店会再开业。空格处是作后置定语，故排除B项；此处anote与say之间是逻辑上的主谓关系，故用现在分词作后置定语，表示主动。(4)作宾补IheardthissongbeingsunginEnglishthen.那时，我听到有人在用英语唱这首歌。典题赏析(7)Theyusecomputerstokeepthetraffic________smoothly.A．beingrun B．runC．torun D．running答案：D考查非谓语动词。句意为：他们运用电脑来保持交通畅通无阻。宾语thetraffic与宾补run之间为主动关系，故D项正确。(5)作状语Beinghitbyacar,hedidn'tcometoschoolyesterday.因为被车撞了，他昨天没来上学。典题赏析(8)(2014·福建·27)________thepastyearasanexchangestudentinHongKong,Lindaappearsmorematurethanthoseofherage.A．Spending B．SpentC．Havingspent D．Tospend答案：C考查非谓语动词作状语。A项现在分词表示与主句谓语动词同时发生的动作；B项过去分词表示被动和完成；C项分词的完成形式，表示发生在主句谓语动词之前的动作；D项不定式表示目的或还未发生的动作。根据语境可知C项正确。句意为：去年作为一名交换生在香港大学学习了一年之后，琳达看起来要比那些同龄的孩子更加成熟。(9)(2013·浙江·12)Agoodlistenertakespartintheconversation,________ideasandraisingquestionstokeepthetalkflowing.A．realizing B．copyingC．offering D．misunderstanding答案：C本题考查动词词义辨析。句意：一个好的倾听者参与谈话，提出想法和问题以使谈话顺利进行。realize“意识到”；copy“效仿”；offer“提出，提供”；misunderstand“误解”。由题干意思可知正确答案为C。(6)作表语Themovie2012isveryinteresting.电影《2012》很有趣。Ⅲ.v.­ing被动形式的否定式是在其前加notIwasupsetfornothavingbeeninvitedtotheparty.没有被邀请参加聚会，我很难过。典题赏析(10)(2013·四川·8)________whichuniversitytoattend,thegirlaskedherteacherforadvice.A．Notknowing B．KnowingnotC．Notknown D．Knowing答案：A本题考查非谓语动词的用法。本题中know与其主语之间的关系为逻辑主谓关系，not否定分词时要放于其前面，故选A项。用所给词或短语的适当形式填空。1．Williamcouldn'tbear________________(makefunof)likethatbeforethewholeclass.2．________________(expose)tosunlightfortoomuchtimewilldoharmtoone'sskin.3．Thefood________________(cook)atthemomentisforthedinnerparty.4．Thehouse________________(build)willbeabeautifulone.5．________________(defeat)threetimesbyourcompetitors,wehavetoworkoutnewstrategiesinthecomingfinalcompetition.6．Ihavetogonow,forIcan'trisk_____________(punish)byourmanager.7．WhatfrustratedJoannamostwasher________________(notallow)togoabroadalone.8．Thegirl's________________(educate)inasimpleenvironmentwaswhatherparentswishedfor.9．Thisdeskneeds________________(repair)rightnow.10．________________(watch)byacrowdofpeople,Shirleyfeltnervous,notknowingwhattosay.答案：1.beingmadefunof2.Beingexposed3.beingcooked4.beingbuilt5.Havingbeendefeated/Defeated6.beingpunished7.notbeingallowed8.beingeducated9.repairing/toberepaired10.Beingwatched课堂达标验收Ⅰ.用所给词的适当形式填空1．It'sfun_________