Unit1-高一英语单元速记巧练（译林版2020）

Unit1Natureinthebalance(必修第三册)Unit1话题热带雨林词汇1.harmv./n.伤害doharmto对···造成伤害2.region地区3.sensitive敏感的4.lengthn.长度lengthenv.加长5.varietyn.多种多样6.survivaln.幸存survivorn.幸存者7.nutrientnutritiousadj.有营养的nutritionn.营养8.disappearv.消失disappearancen.消失9.impactn.影响10.extinctionn.灭绝extinctadj.灭绝的11.globaladj.全球的globallyadv.全球的globalizationn.全球化globen.球体12.drought旱灾13.applicationn.申请applicantn.申请人14.trackv.追踪keeptrackof记录；与…保持联系15.resident居民16.chiefadj.主要的chiefly

adv.主要地17.entireadj.全部的entirelyadv.完全地18.profit利润19.defence辩护defendv.保卫defendern.防卫者20.economic经济有关的economicaladj.经济的；节约的economyn.经济21.strategy对策22.official正式的officiallyadv.正式地23.poverty贫困24.poison中毒poisonousadj.有毒的poisonern.投毒者25.consequence结果consequentadj.随之发生的短语breathelifeinto带来活力；注入活力inturn反过来breakdown分解haveanimpacton对.........有影响buildup加强takein吸收；理解；欺骗；收留callfor呼吁springtomind跃入（脑海）getridof摆脱tendto倾向于indefenceof为某人做辩护=inone'sdefence维护某⼈beconcernedabout关心........takemeasuresto采取措施liftpeopleoutofpoverty使.......脱贫largeamountsof大量的..........doharmto对.........有害giveriseto导致.........goextinct灭绝(be)closetoextinction濒临灭绝forinstance例如bepoorin缺乏..........statetheimportanceof陈述.......的重要性advanceeconomicgrowth推动经济增长makeeyecontactwith与.........眼神交流raiseenvironmentalawareness提高环保意识atthepriceof以........为代价liveinharmonywith与........和谐相处句型Asthelargestrainforestintheworld,itplaysasignificantroleinmaintainingthefinebalanceoftheEarth'secosystem.Whilethereadermayfindalargefiguretooabstracttounderstand,makingparisonswithfamiliarplacesorobjectswillhelpthemgainabetterunderstanding.Withpollutionlevelsontherise,theNorgateEnvironmentaProtectionmitteeissearchingforwaystofighttheproblemIt'sourdutytoprotecttheenvironmentwhileweaimforeconomicdevelopment.Whilediscussinginagroup,makeeyecontactwithotherstomakesurethattheycanunderstandandareinterested.Pollutedwaterbodiesnotonlydoharmtoanimalsandplantstheyalsohavealonglastingeffectonhumans.7.Increasingproductioncostswill,inturn,leadtohigherprices.语法省略句写作倡议书：呼吁人们保护动物知识点01重点词汇1.harmn.伤害，损害【用法】对…作出伤害do/causeharmto=beharmfulto吸烟对我们的身体健康有伤害。Smokingdoes/causesharmtoourhealth.做某事是个好主意/没有坏处。Thereisnoharmindoingsth.=Itisnoharmtodosth.vt.伤害，损害→adj.harmful有伤害的adj.harmless无害的【运用】Thesandstorms______________manyplantsandhouses.沙尘暴对我们很多的植物和房子造成了巨大的伤害。【答案】didgreatharmtoItisgenerallyacceptedthatsmoking_______________ourhealth.普遍被认可的是吸烟有害健康。【答案】isharmfultoStayinguplateoftenwill_____________atyourage.在你这个年龄起床太晚对你不好。【答案】doyouharmecosystemn.生态系统【用法】n.ecology生态；生态学adj.eco生态的；环境的adj.ecofriendly生态友好的维持地球生态系统的平衡maintainthebalanceoftheEarth'secosystem【运用】Therearehighlysensitiveanddelicatelybalanced_____________intheforest.森林里有高度敏感、灵敏平衡的各种生态系统。【答案】ecosystemsThis

unique

___________may

soon

be

under

pressure.

这个独特的生态系统可能很快就会面临压力。【答案】ecosystem

3.lengthn.长，长度；时间的长短；篇幅，（电影）片长【用法】规律：adj.→n.→v.long→length→lengthenstrong→strength→strengthenhigh→height→heightenwide→width→widendeep→depth→deepen两米长/宽/高/深twometersinlength/width/height/depth=twometerslong/wide/high/deep终于，最后；详细地，充分地atlength=indetail【运用】Hewasdisgustedat_____________hehadtowait.他非常讨厌要等那么长时间。【答案】thelengthoftimeWehavealreadydiscussedthismatter______________.我们已经十分详尽地讨论了这个问题。【答案】atgreatlength4.biodiversityn.生物多样性【用法】n.biology生物学adj.bio生物的;人生的n.biotechnology生物科技n.biochemistry生物化学→vt.diversify使多样化adj.diverse多种多样的→n.diversity多样化；差异性【运用】Chinaisamountainouscountrywithrich______________.我国是个多山的国家，拥有丰富的生物多样性资源。【答案】biodiversityresourcesTheirmitmentwasonlytomaintaintheextentofforests,nottheir_____________.他们仅承诺维持现有森林面积，并不保证林区生物的多样性。【答案】biodiversity5.varietyn.不同种类；变化，多样性；变种，变体【用法】→vi.vary改变，变化在A和B之间变化varyfromAtoB每代人的娱乐方式各不相同。Theentertainmentstylesvaryfromgenerationtogeneration.→adj.various各种各样的各种各样的花variousflowers=avarietyofflowers=varietiesofflowers【运用】Thistoolcanbeusedin_____________ways.这一工具有多种用途。【答案】avarietyofIwasimpressedby______________onoffer.所供应的菜肴之丰盛让我心动。【答案】thevarietyofdishes6.toweringadj.高大的，高耸的；出色的【用法】出色的表演toweringperformance→towern.塔楼vi.(towerover/above)高于；超过；胜过；远远超过他的个儿比班里其他同学都要高。Hetoweredoverallhisclassmates.她远远超过同时代的舞蹈演员。Shetowersoverotherdancersofhergeneration.【运用】Heremains_______________inmodernBritishpolitics...他在现代英国政坛上一直是位杰出的人物。【答案】atoweringfigureIsawherin_____________onlyonce.我只有一次见过她大发雷霆。【答案】atoweringrage7.survive【用法】vi.生存，存活靠...生存surviveonsthvt.幸存，幸免于难在地震/灾难中幸免遇难survivetheearthquake/disaster→n.survival幸存生存技巧survivalskillsn.survivor幸存者联想记忆：refuse→refusalarrive→arrivalremove→removalapprove→approvalpropose→proposal【运用】Afterhe________theearthquake,theoldmanbecameoneofthe________andhis________broughthisoldfriendsaverymerrymoment.【答案】survived;survivors;survival8.inturn相应地，转而【用法】①相应地，转而增加生产会继而增加利润。Increasedproductionwill,inturn,leadtoincreasedprofits.②依次；轮流（taketurnstodosth=dosthinturn)让我们轮流擦黑板吧。Let'scleantheblackboardinturn.【运用】TheIndians,___________,werecharmedbythefamousauthor'sculturedandcivilizedoutlook而印第安人呢，则为那位著名作家有教养的、开化的见解而折服。【答案】inturnThestudentsweresummoned_________tobeinterviewed.学生依次被召入进行口试。【答案】inturn9.breakdown使分解（为）【用法】分解；使变化Sugarandstarcharebrokendowninthestomach.糖和淀粉在胃里分解。（机器）出故障Thecarbrokedownonthefreeway.车在高速公路上出故障了。（谈判、计划等）失败Peacetalkshavebrokendownwithnoagreementreached.和平谈判因没有达成一致而失败。垮掉Hishealthbrokedownduetooverwork.由于超负荷工作，他的身体垮掉了。补充短语：breakinto强行闯入，撬开breakoff断开；折断；中断breakout爆发breakthrough突破；突围breakup分手；（关系）破裂【运用】Wearegoingtohaveagettogetherbeforewe__________forthesummervacation.A.breakdownB.breakoutC.breakthroughD.breakup【答案】DTheputersystem_____suddenlywhilehewassearchingforinformationontheInternet.A.brokedownB.brokeoutC.brokeupD.brokein【答案】AAfteralongtimeofhardwork，healmost_____________.长时间艰苦劳动之后，他的身体几乎垮了。【答案】brokedown10.breathelifeinto给…带来起色，注入活力【用法】他的到来给公司注入了活力。Hisingbreatheslifeintothepany.【运用】Ateachershouldtryto___________hissubject.一个老师应该给他的课程注入活力。【答案】breathelifeinto新任首席执行官的创造性方法确实为这个失败的公司带来起色。【答案】ThenewCEO'screativeapproachreallybreathednewlifeintothatfailingpany.11.thusadv.因此，从而；这样【用法】大学扩招了，这样就使更多的人有机会接受高等教育。Theuniversitieshaveexpanded,thusallowingmorepeoplethechanceofhighereducation.我们不是这栋楼房的房主，因此我们不能卖它。Wedonotownthebuilding.Thus,wecan'tsellit.【运用】Someonehadremovedalltheevidence;__________,itwasnowimpossibleforthepolicetocontinuetheirinvestigation.有人拿走了所有的证据。因此，警方现在不可能继续调查。【答案】thus锻炼使我们更加饥饿，因此我们的食物供应耗尽了。【答案】Exercisemadeusmorehungry

andthus

ourfoodsuppliesranout.12.dueto由于，因为【用法】同义词：dueto=becauseof=asaresultof=onaccountof=owingto=becauseof这个孩子害怕上学，因为他被卷入校园欺凌事件中了。Theboyisafraidofgoingtoschoolduetothefactthathewascaughtupinschoolbullying.词组：①beduetodosth预计要做某事表演预计7点开始。Theshowisduetobeginat7.②beduetosb应给予某人（钱或功劳）他们得到了他们应得的钱。Theyhavegotthemoneythatisduetothem.【运用】Theaccidentwas_________carelessdriving．这次车祸起因于驾驶疏忽．【答案】dueto___________petitionsamongtravelagencies,travelexpenseshavebeenconsiderablyreduced.【答案】duetoimpact【用法】n.影响，作用；撞击，冲撞对...（没）有影响have/makean/noimpactonvi.&vt.有影响；冲击受到...影响beimpactedby【运用】Herfather'sdeathimpactedgreatly__________herchildhoodyears.父亲去世对她的童年造成巨大影响。【答案】onTheysaytheyexpectthemeetingtohaveamarked_________onthefutureofthecountry他们称他们预期会议对国家的未来会产生显著影响。【答案】impact14.extinctionn.灭绝，绝种【用法】→adj.extinct不再存在的，已灭绝的一个已灭绝的物种anextinctspecies有消亡危险的部落atribeindangerofextinction【运用】Thesocietywassetuptopreserveendangeredspeciesfrom____________.成立这个协会是为了保护濒危物种不致灭绝。【答案】extinctionTheisland'swayoflifeisdoomedto____________.这个岛上的生活方式注定要消失。【答案】extinction15.damage【用法】vt.损害，伤害，损坏，破坏损害某人的健康名誉damageone'shealth/reputationn.损害，伤害，损坏，破坏对...造成损害do/causedamageto【辨析】damage指部分性“破坏”“损坏”，可修复destroy指彻底、不能或很难修复的“破坏”“损坏”ruin指严重的“毁坏”，侧重破坏事物的内在价值【运用】Bycuttingdowntreeswe______thenaturalhomeofbirdsandanimals.A.harmB.hurtC.injureD.damage【答案】D洪水毁坏了大量农作物。【答案】Theflooddidalotofdamagetothecrops.16.climaten.气候；倾向，风气【用法】温和/暖的气候amild/warmclimate目前的舆论倾向thecurrentclimateofopinion【运用】Climate（气候）change________mainlybecauseoftoomuchCO2intheair，muchofwhichesfromhumanactivities.A.iscausedB.causedC.causesD.causing【答案】AThe____________hereisquitepleasant，thetemperaturerarelyreaching300Cinsummer．【答案】climate17.buildup逐渐增加，扩大【用法】扩大词汇量buildupone'svocabulary增强对...的信心buildupone'sconfidenceinsth强身健体buildupone’sbody【运用】他每天骑自行车上班，这对增强他的力量是有益的。【答案】Hecyclestoworkonadailybasis，whichisbeneficialtobuilduphisstrength.我们不应该看不起他。我们首先要对他树立起信心，然后帮助他改进学习方法。【答案】Weshouldn'tlookdownuponhim.Weshouldfirstbuildupconfidenceinhimandthenhelphimimprovehiswayofstudy.18.globaladj.全球的；全面的【用法】在数据库中的全面检索globalsearchesonthedatabase全球变暖globalwarming→adv.globally全球的；全局地；世界上n.globe地球；地球仪；球体n.globalization全球化【运用】_____________warmingisarealproblem.全球变暖是个确实存在的问题Itisdifficultforserviceorganizationsto____________.服务性组织全球化的难度很大。______________isaphenomenonofthe21stcentury.全球化是21世纪的现象。【答案】Global;globalize;Globalization19.callfor（公开）要求；需要【用法】空气污染问题需要我们的特别关注。Airpollutioncallsforourspecialconcern.对此类状况的第一反应是要求所有医院都采取相应的安全措施。Thefirstreactiontothiskindofconditionistocallforpropersafetysecurityinallhospitals.补充短语：callonsb拜访某人callatone'shouse去某人家拜访callafter以某人的名字命名callin召集calloff叫走callon号召,请求callsbon+号码拨打……找某人【运用】用callfor,callat,callon,calloff的适当形式填空①Thepicnicwasbecauseofrain.②LetustheSmith’sonthewayhome.③Thegovernmentthentroopstodealwiththedisturbances.④Thissortofworkalotofpatience.⑤Notknowinghisaddress,Ican’thim.【答案】①calledoff②callat③calledon④callsfor⑤callon20.applicationn.应用，运用；申请【用法】动词→applyvt.应用这项新技术已应用于农业。Thenewtechnologyhasbeenappliedtoagriculture.这项新技术的应用加速了农业发展。Theapplicationofthenewtechnologyacceleratedthedevelopmentofagriculture.vi.申请John正在申请华为的工作。JohnisapplyingforajobinHuawei.John的工作申请被接受了。John’sapplicationforthejobisaccepted.名词→n.applicant申请人，应聘人【运用】Thepanyturneddownmy___________.这个公司拒绝了我的申请。【答案】applicationStudentslearnedthe_________________ofthetheorytheyhadlearnedintheclassroom.学生们学会了将课堂上学到的理论付诸实际应用。【答案】practicalapplication21.absolutelyadv.绝对地，完全地；极其【用法】你完全正确。You'reabsolutelyright.→adj.absolute绝对的，至高无上的无上权力；绝对权威absolutepower/authority【运用】It's

__________

freezing

outside.

外面冷得不得了。【答案】absolutelyHe'san___________brilliantcook.他的厨艺精湛至极。【答案】absolutely22.trackvt.&vi.跟踪，追踪【用法】我们继续用雷达追踪那架飞机。Wecontinuedtrackingtheplaneonourradar.n.足迹，踪迹；小道；轨道；跑道；路线铁路轨道railwaytracks【运用】We_______________inthesnow.我们跟着熊在雪地上留下的足迹走。It'shardto________________thechildren'singsandgoings.这些孩子来来往往，很难跟得上他们的行踪。Hehad_______________whathewassayingandbegantoramble.他忘了自己的话题，便开始瞎扯起来。【答案】followedthebear'stracks;keeptrackof;losttrackof23.entirelyadv.完全地，全部地，完整地【用法】我完全同意你的看法。Ientirelyagreewithyou.我对这个建议并不十分满意。I'mnotentirelyhappyabouttheproposal.→adj.entire全部的，整个的；全体的【运用】Theresultsare__________consistentwithourearlierresearch.这些结果与我们早些时候的研究完全吻合。Themoviewasshot___________onlocationinItaly.这部影片完全是在意大利外景拍摄的。【答案】entirely;entirely24.getridof摆脱，丢弃，扔掉【用法】我们需要摆脱那种观念。Weneedtogetridoftheidea.他想把秘密说出来，让自己得到解脱。Hewantedtoridhimselfoftheburdenofthesecret.【运用】Hebelievedthathismanagerwantedto_______himforpersonalreasons他认为经理是出于个人原因想开除他。【答案】getridofHe

hoped

to____________the

pain

in

what

was

left

of

his

knee.

他希望祛除膝盖处的疼痛。【答案】

get

rid

of

25.protestvi.反对，抗议【用法】学生们走上街头，抗议这项决定。Studentstooktothestreetstoprotestagainstthedecision.vt.坚持声称，申辩她一直坚持说自己是无辜的。Shehasalwaysprotestedherinnocence.n.抗议，反对主任辞职以示抗议这项决定。Thedirectorresignedinprotestatthedecision.【运用】Theworkersstageda___________________theproposedchangesintheircontracts.工人们进行抗议，反对拟议中的对他们合同的修改。【答案】protestagainstThese_________havereallymadethegovernmentsitupandtakenotice.这些抗议活动确实引起了政府的警觉和注意。【答案】fit【用法】n.利润，收益；好处这笔生意带来了创纪录的收益。Thesalegeneratedrecordprofits.vi.&vt.获益，得到好处新政策使农民受益。Farmersareprofitingfromthenewpolicy.→adj.profitable有利可图的；赚钱的；有益的adj.profitless无益的【运用】这个机构是义务性的，不是为了赢利。【答案】Theagencyisvoluntaryandnotrunforprofit.与去年同期相比利润增长了15%。【答案】Profitshaverisenby15percentparedwiththecorrespondingperiodlastyear.27.defencen.辩护；防御，保护；防御物；国防；防守【用法】我们应该向保卫祖国而牺牲了的军人表示敬意。Weshouldpaytributetosoldiersdiedindefenceofourcountry.她打防守。Sheplaysin/ondefence.→v.defend保卫；防守adj.defensive自卫的；防御用的【运用】Ihavetosay_____________thatsheknewnothingaboutitbeforehand.我得为她说句话，她事先并不知道此事。【答案】inherdefenceHumourisamoreeffective__________thanviolence.幽默是比暴力更有效的防御武器。【答案】cessn.过程，进程；步骤，流程【用法】我们正出售自家的住宅。We'reintheprocessofsellingourhouse.vt.加工，处理审核你的申请需要一周时间。Itwilltakeaweekforyourapplicationtobeprocessed.【运用】We're___________________sellingourhouse.我们正在出售自家的住宅。【答案】intheprocessofOur

sales

information______________puter.

我们的销售信息是用计算机处理的。【答案】is

processed

by

29.economicadj.经济的，经济上的；可赚钱的【用法】经济增长╱合作╱发展╱改革economicgrowth/cooperation/development/reform→n.economy经济；节约；理财n.economics经济学n.economist经济学者；节俭的人【运用】It

is

difficult

to

find

work

in

the

present

____________________.

在目前这种经济大气候下很难找到工作。【答案】economic

climateMany

children

in

the

class

suffered

severe

social

and

____________disadvantage.

班上许多孩子都来自社会地位低下经济困难的家庭。【答案】economic

30.strategyn.策略，行动计划；策划，部署【用法】政府的经济策略thegovernment'seconomicstrategy军事战略militarystrategy→adj.strategic战略上的，战略的n.strategist战略家；军事家【运用】The___________wastoodangerousintheexplosivecircumstancesofthetimes.在当时那种一触即发的形势下，采取那样的策略太危险了。【答案】strategyWearenowpilotingthroughParliamentanew____________totackleyouthcrime.我们正促使议会顺利通过解决青少年犯罪问题的一项新策略。【答案】strategy31.formeradj.昔日的，前任的；以前的，从前的【用法】latter后者坦白来讲，比起后者，我更喜欢前者。Tobefrank,Iprefertheformertothelatter.【用法】Thisbeautifuloldbuildinghasbeenrestoredtoits_____________.这座美丽的老建筑物已恢复了昔日的壮观。【答案】formergloryHer

article

showed

no

charity

towards

her

_____________.

她的文章对她以前的朋友毫不宽容。【答案】former

friendsHepresentedtwosolutions.__________________seemsmuchbetter.他提出了两个解决方案，后一个看起来要好得多。【答案】Thelatter32.povertyn.贫穷，贫困；贫乏【用法】许多老年人生活于贫困之中。Manyelderlypeopleliveinpoverty.【运用】在理想的世界里将没有贫穷和疾病。【答案】Inanidealworldtherewouldbenopovertyanddisease.Manypeople_____________________throughnofaultoftheirown.很多人生活贫困并非他们自己有什么过错。【答案】liveinpoverty33.poison【用法】vt.污染；毒死，毒害有人一直在他的食物里下毒。Someonehadbeenpoisoninghisfood.n.毒物，毒药致命毒药deadlypoison→adj.poisonous有毒的；恶毒的；讨厌的n.poisoner投毒者；毒害者【运用】Somemushroomscontainadeadly____________.有些蘑菇含有致命毒素。Thwpolicebelievehiswifecouldnothaveadministeredthe____________.警方认为他的妻子是不可能下毒的。【答案】poison;poison34.consequencen.结果，后果；重要性【用法】这项决定可能对该行业造成严重后果。Thisdecisioncouldhaveseriousconsequencesfortheindustry.别担心，这无关紧要。Don'tworry.It'sofnoconsequence.因此，结果asaconsequence由于…的结果asaconsequenceof→adj.consequent随之发生的；作为结果的【运用】Asa______________,hefailedtheexamandmadehisparentsdisappointed.【答案】consenquence由于他的粗心，我们没有按时完成这项任务。【答案】Asaconsequenceofhiscarelessness,wedidn’tfinishthetaskontime.35.giveriseto使发生（或存在），导致【用法】riseroserisenvi.“上升，起来”Thesunrisesintheeasteveryday.形近词：arisearosearisenvi.“起因于，由.........导致”raiseraisedraisedvt.“建设，养育，提出”Heraisedsomedoubtsaboutthistheory.arousearousedarousedvt.“唤起，激起”It'sasubjectthathasarousedalotofinterest.身体上的原因可以引起情绪或精神上的问题。Emotionalormentalproblemscanarisefromaphysicalcauses.【运用】Hiscruelwords____________________herbadmoodslastnight.昨天晚上他残忍的话导致她的心情不好。【答案】gaveriseto这个糟糕的天气导致了运动会的取消。【答案】Thebadweathergaverisetothecancellingofthesportsmeeting.知识点02重点句型1.with作伴随状语结构原文：Withpollutionlevelsontherise,theNorgateEnvironmentaProtectionmitteeissearchingforwaystofighttheproblem.随着污染水平的上升，诺盖特环境保护委员会正在寻找解决这个问题的方法。【句式分析】本句是with引导的伴随状语，其中ontherise是个固定词组，表示“正在上升”，with后面的名词可以直接跟一个介词词组。①Withsomanypeopletoassistus,wearesuretofinishthetaskontime.有这么多人帮忙，我们一定能及时完成任务。②Themanwaswalkingonthestreet,withabookunderhisarm.那人在街上走着,腋下夹着一本书。③Hewasworkingintothecharchwithasmileonhisface.他带着满脸的笑容走进了这个教堂。【跟踪典例】①Heisjustconfusedwithalltheclass_____________.当他同伴同学都笑的时候，他感觉很疑惑。②Withsomuchword_________,hefelthappy.做完了这么多事情，他感到很高兴。③Ican’tgooutwithalltheseclothes________________.要洗这些衣服,我无法出去了。【答案】laughing;done;towash2.while+doing结构原文：Whilediscussinginagroup,makeeyecontactwithotherstomakesurethattheycanunderstandandareinterested.在小组讨论时，与其他人进行眼神交流，以确保他们能够理解并且感兴趣。【句式分析】本句是while+doing的一种省略句形式，句子完整情况应该是Whilewearediscussinginagroup,..........，当while引导的从句中的主语跟主句的主语是同一个人或物时，这时while引导的从句中的主语和be动词可省略，从而变成whiledoing。①Whilestudying,Iliketolistentomusic.在学习时，我喜欢听音乐。②Ienjoyreadingbookswhiletraveling.旅行时我喜欢阅读书籍。③Isawagirlcryingwhilewalkingdownthestreet.我看到一个女孩在走路时哭了。【跟踪典例】①Hewaswearingheadphoneswhile___________inthepark.他在公园慢跑时戴着耳机。②Hewassellingthenewspaperwhile____________forthebus.他边等车边卖报。③Hewassingingwhile__________hishomework.他在做作业时唱歌。【答案】jogging；waiting;singing一．语法精讲——省略句省略句的种类为了使话说得简明扼要，英语句子中某个单词、短语甚至从句或主句都可以省去。这种省去句子某些成分而保持句子意思不变的现象，称为省略（ellipsis）。（一）状语从句中的省略1.在when,while,if,asif,though,although,as,until,once,whether,unless等连接的状语从句中，若从句中的主语与主句主语一致且谓语中含有be动词，常省略状语从句中的主语和be动词。当从句的主语为it时，则从句中主语和be动词常被省略。=1\*GB3①Shefellasleepwhile(hewas)doinghishomework.他在做作业时睡着了。=2\*GB3②Oftenshewouldweepwhen(shewas)alone.她一个人时，常常哭泣。=3\*GB3③If(itis)possible,I'llgoouting.如果可能的话，我将去郊游。注意：有些由if构成的省略结构，已属固定短语，如ifany,ifnecessary,ifpossible,ifnot,ifso：=1\*GB3①Therearefew,ifany,mistakesinthatbook.那本书就是有错误也不多。=2\*GB3②Ifnecessary,ringmeathome.如果必要，可以打到我家找我。=3\*GB3③Ifpossible,Iwishtogotherenextsummer.如果可能，我希望明年夏天去。=4\*GB3④Hemaybebusy.Ifso,I’llcalllater.Ifnot,canIseehimnow?他可能很忙，要是这样，我以后再来拜访。要是不忙，我现在可以见他吗?2.在than,as等引导的比较状语从句中常省略某些成分。=1\*GB3①Iknowyoubetterthan(Iknow)him.我了解你胜过了解他。=2\*GB3②HerunsasfastasBob(runs)．他跑得和鲍勃一样快。（二）定语从句和宾语从句中的省略1．定语从句中的省略(1)在限制性定语从句中，作宾语用的关系代词whom,which,that可省略(但whom,which紧跟在介词后时不能省略)。Theman(who/whom/that)youwanttomeethase.你要见的人来了。(2)修饰way的关系词that/inwhich可以省略。Doyouknowtheway(that/inwhich)workismeasured?你知道衡量工作的方式吗？2．宾语从句中的省略(1)及物动词后接宾语从句时，连接词that一般可以省略；但如果及物动词接两个或两个以上that引导的宾语从句，那么只有第一个that可以省略。=1\*GB3①Ibelieve(that)beautyesfromwith