Unit 3 Fit for Life一轮复习活动单课件高三英语牛津版（2020）选择性必修第二册

选择性必修二Unit3相关词汇、短语和句子arisevi.(arose，arisen)出现；发生

identifyvt.找到，发现；确认prohibitvt.阻止，禁止resistancen．抵抗；反抗；抵抗力debatev．讨论；辩论

adjustvt.&vi.调整，调节；适应withoutdoubt毫无疑问

datebackto追溯到put...inplace准备就绪;(某措施)实施wrestlewith全力解决1.Ultimately,thisnewtechnologymightevenmakeitpossibletopreventdiseasesfromeverdevelopingbycorrectingabnormalgenesearlyon.最终，这项新技术甚至可能通过早期纠正异常基因来预防疾病的发展。2.Asmanyofyoumayalreadyknow,geneplayacriticalroleinshapingourlives.你们很多人可能已经知道，基因在塑造我们的生活中扮演着至关重要的角色。LearningobjectivesBytheendofthisclass,youwillbeableto:1.reviewsomeusagesofkeywords,phrasesandsentences.2.putwords,phrasesandsentencesaboveintopractice.3.WriteanarticleabouthowtoprotectyoureyesightI.单词拼写(用适当形式)1.specializes2.identification3.effective;treatment;prevention4.resistance5.depression;anxiety6.phenomena7.disabled8.conventional9.devoted10.inconvenient

II.单句语法填空1.needed2.affects 3.it4.serving5.tobeexplored;debated6.Despite7.locating8.As9.havebeenworking10.isrecognizedasIII.短语填空1.arisefrom2.restrict;to

3.wenttogreatlengthsto4.wrestlewith5.Withoutdoubt6.prohibiting;from7.put;inplace8.datingbacktoVocabulary

‌V+ance结尾1.assist→assistance帮助协助

2.allow→allowance允许3.annoy→annoyance恼怒

4.appear→appearance外貌5.enter→entrance入口

6.guide→guidance指导7.ignore→ignorance无知忽略

8.insure→insurance保险9.perform→performance演出

10.resist→resistance反对抵制11.rely→reliance依赖

12.tolerate→tolerance宽容V+ence结尾1.exist→existence存在

2.insist→insistence坚持3.infer→inference推断

4.occur→occurrence发生的事5.prefer→preference偏爱

6.refer→reference参考单数复数意思datumdata数据，资料mediummedia媒介criterioncriteria标准phenomenonphenomena现象Therebe用法多，记口诀来掌握：主动进行用-ing，如：There'sadogrunning.被动完成用-ed，如：There'saletterwritten.将要发生用不定，如：There'sabooktoread.地点方式-ing后，如：There'samansittingbythedoor.被动地点-ed后，如：There'sacakemadebymom.•Despite+名词/代词

•Despitetherain,wewentoutforawalk.•Despite+doing

•Despitetryinghard,shedidn'tpasstheexam.•Despitethefactthat+从句

•Despitethefactthatitwaslate,theycontinuedworking.•Despite+名词/代词+doing

•Despitetheteacher'sexplainingtheproblem,thestudentdidn'tunderstand.练习Now

_________

areplayingasimilarrole,tomakecitiesmoredifferentfromanother.如今，体育场正起着类似作用，让城市变得更加与众不同。The_________areharmlesstohumans这些细菌对人无害。bacteriastadia翻译Ifyoustandtherewatchinghimforawhile，afeelingofawewillarisefromthebottomofyourheart.Withoutdoubt,Chinaisoneofthemostsuccessfulcountriesintheworldinthefightagainstcovid-19.4.语法填空、完成句子1.needed2.affects 3.it4.serving5.tobeexplored;debated6.Despite7.locating8.As9.havebeenworking10.isrecognizedas1.Asoursocietygrowsolder2.Heavilyasitwasrainingoutside3.Asweallknow4.AsIwaitedatabusstop，Iraninto/cameacrossmyoldfriendsGrammar

as主要有两种词性，分别为介词和连词。作为介词时用法和语义较单一，其含义为“作为”。但是as作为连词词性时，其用法和功能较多，可以引导各类从句，如定语从句和多种状语从句。as引导的让步状语从句6.________thepublicargumentoverthistechnology,itspossibilitieshavebeencreatingmuchexcitementthroughoutthemedicalcommunity.当as表示“虽然，尽管”时，其引导的让步状语从句必须用倒装句。即将让步状语从句中作表语的名词或形容词、作状语的副词、作谓语的实意动词提前，而不将系动词、助动词和情态动词提前。提前的名词前不用冠词。as引导的让步状语从句倒装的用法一、表语（名词、形容词）+as+主语+谓语as引导的让步状语从句倒装的用法1.Althoughheisaboy,helikestoplaywithgirls.2.AlthoughIampoor,Icanaffordbeer.1.Boyasheis,helikestoplaywithgirls.2.PoorasIam,Icanaffordbeer.说明：其中的动词为连系动词，也就是说位于句首的名词/形容词是其连系动词的表语。特别注意，位于句首的名词其前不能用冠词。二、副词+as+主语+谓语as引导的让步状语从句倒装的用法1.Althoughtheytriedhard,theycouldn'tmakeherchangehermind.2.AlthoughIlikeShanghaiverymuch,Icouldn'tlivethere.1.Hardastheytried,theycouldn'tmakeherchangehermind.2.MuchasIlikeShanghai,Icouldn'tlivethere.说明：其中的动词为实意动词，也就是说位于句首的副词是实意动词的状语。三、动词原形+as+主语+谓语as引导的让步状语从句倒装的用法1.AlthoughImayfail,I'dliketohaveasecondtry.2.Althoughhemighttry,hecouldn'tsolvetheproblem.1.FailasImay,I'dliketohaveasecondtry.2.Tryashemight,hecouldn'tsolvetheproblem.说明：主语后的动词通常为may,might,would等情态动词加动词原形，即将动词提前。1.连词•时间连词：表示两个动作同时发生。•AsIwasleaving,thephonerang.•原因连词：表示原因或理由。•Asitwasraining,westayedindoors.•让步连词：表示尽管有某种情况，但另一种情况仍然发生。•Youngasheis,hehasalotofexperience.•方式连词：表示动作的方式或方法。•DoasIsay.•比较连词：表示两个事物之间的比较。•Heisastallashisbrother.2.

介词：表示身份或角色。•Sheworksasateacher.表示在某个时间段内。表示在某个方面或领域。•Heishonestasafriend.3.副词：表示动作的程度。•Theroomwasascleanaspossible.表示动作的频率。•Hevisitsasoftenashecan.4.固定搭配："asif","asthough","aslongas","assoonas","aswellas"。Translation:1._______________(尽管他是个学生),hedoesn’tstudyhard.2.————————(尽管他很耐心),hedidn'tlikewaitingthatlong.3.________________(尽管我们很早到达那里),ourteacherwastherebeforeus.4.________________(尽管他可能尝试过），hedoesn’tsucceed.ChildasheisEarlyaswearrivedtherePatientasheisTryashemayas引导非限制性定语从句8._____youmighthaveheardbefore,somegenesmakeyoumorelikelytodevelopcertaindisease.as引导的非限定性定语从句用法as引导非限制性定语从句，意为“正如”“正像”。常用于固定搭配中:asisoftenthecase(这是常有的事);asweexpected(不出所料);asisknowntoall/asweallknow(众所周知):asismentionedabove(正如上面所提到的)等。as可放在句首·句中或者句尾；Asisknowntoall,Chinaisadevelopingcountry.MarkTwain,asweknow,isafamousAmericanwriter.Hedoesn'tlikethejob,asyoucansee.which只能放在主句后Theroadswereflooded,whichmadeourjourneymoredifficult.as常译为“正如，如同”，主从复合句常为顺承关系；

Hecannotpayoffhisdebt,asisthecase.Ourteamwonthematch,asweexpected.which常译为“这”，主从句之间常为转折，因果关系。Thenumberofsmokers,_______isreported,hasdroppedby17percentinjustoneyearA.itB.whichC.whatD.asDAs用法引导时间状语Withoursocietygrowingolder，weneedthecontributionsofouroldercitizens.→，weneedthecontributionsofouroldercitizens.④当我在公交站点等车的时候，我偶遇了老朋友们。翻译As用法引导时间状语as引导时间状语从句，当.….…的时候，注意与when,while的用法区别。1)“一边...一边..”Thegirlsingsasshegoestoschool.Helookedbehindoccasionallyashewentforwardintheforest.2)“随着...的推移/交替”Astimewenton/by,shebecamemoreandmorebeautiful.Aschildrengetolder,theybecomemoreandmoreinterestedineverything.3)"当...的时"两个短暂行为同时发生Justastheflyingwormhitherface,shegavealoudcry.V.语篇填空：（课文再现,每题1分，共10分）1.carries2.that/which3.contracting4.an5.to

6.developing7.resistance8.sharpen9.officials10.itsGenesplayacriticalroleinshapingourlives.Ourownpersonalgenome1.________(carry)alltheinformationneededtomakeusgrowanddevelop.Italsocontainsinformation2.helpsdetermineourlifespanandaffectsourchancesof3.(contract)certaindiseases.Geneticistsbelievegenomeeditingis4.effectivemeansofdiseasetreatmentandpreventionandtheyhopetoapplythistechnology5.treatawiderangeofhealthproblems.Withthetechnology6.(develop)atafastpace，however，questionsariseabouthowtouseitappropriately.Onedaysoonwewillbeabletousegenomeeditingtoincreasethehuman7.(resist)tocoldsandflus，to8._________(sharp)alloftheirsenses，etc.However，isthisagoodthing？Whatconsequencesmightithave？Philosophers，geneticistsandgovernment9.________(official)haveallstartedtowrestlewithsuchmoralissues.Despitethepublicargumentoverthistechnology,10.(it)possibilitieshavebeencreatingmuchexcitementthroughouttheentiremedicalcommunityandbeyond.Withoutdoubt，genomeeditingisoneofthegreatestinnovationsinthehistoryofscience.话题写作：

最近的调查显示，70%的高中生有视力方面的问题。为引起广大中学生的重视，请根据以下要点，用英文写一篇倡议书，代表学生会向全校同学倡议保护好自己的视力，内容包括1.介绍青少年近视现状；2.分析造成近视的原因；3.保护视力可行性建议。Dearfellowstudents,Itisacknowledgedthatwiththerapiddevelopmentof…,theproblemof…hasarousedpeople'sconcern.I'mheretoappealtoeveryoneto….众所周知，在(经济/科技...)的高速发展下，关于…的问题引起了人们的关注。我在这呼吁每一位去...。Therearevariousreasonsforthis.First…,Second…Therefore,itishightimeforustotakesomemeasuresto…,Firstandforemost,…,What'smore,…,Mostimportantly，...Everyeffortcounts.Onlywhenwe...,canwe....Let'smakejointefforts/sparenoeffortto...每一