2020版高考英语大一轮复习Unit4Cyberspace课件北师大版必修2 .pptVIP

必修模块2Unit4Cyberspace,1.harmvt.危害教材原句someonewhodoesterriblethingstoharmcountries,governmentsandpeople做恶劣的事情危害国家、政府和人民的人,重点单词,单句填空Doctorsalwaystellusthatdrinkingtoomuchdoesharmtoourhealth,butsomepeopledontcare.AsfarasImconcerned,thereisnoharminmaking(make)anapol-ogytohimfirst.,点拨(1)dosb./sth.harm=doharmtosb./sth.对有害;损害meannoharm没有恶意causeharmto对造成危害Thereisnoharmindoingsth.不妨做某事;做某事无害处(2)harmfuladj.有害的harmfulgas有害气体harmfuleffects不良/有害影响,harmfulradiation有害辐射aharmfulmood不良情绪beharmfulto对有害的harmlessadj.无害的;无恶意的,2.affectvt.影响;感动;(疾病)侵袭;使感染教材原句PeterTaylorfindsouthowputersandtheInternetaregoingtoaf-fectourlives.彼得泰勒发现了电脑和因特网将如何影响我们的生活。,单句填空Ordinarysoap,usedcorrectly,candealwithbacteriaeffectively(ef-fective).(2018北京卷单项填空)Whileonlineshoppinghaschangedourlife,notallofitseffects(effect)havebeenpositive.(2016江苏卷)Withthegovernmentsaid,thoseaffected(affect)bytheearth-quakehavemovedforthenewsettlements.,单句改错Noonecandenytheeffectsparentshavewiththeirchildren.withon句式升级Iwasdeeplyaffectedbythefilmandcouldnthelpweeping.Deeplyaffectedbythefilm,Icouldnthelpweeping.(过去分词短语作状语),完成句子Whatparentssayanddohasalife-longeffectontheirchildren.父母所说的和所做的对他们的孩子有着终身的影响。,写作微练这些关于国外文化的文章对我们的英语学习产生了良好影响。Thesearticlesaboutforeignculture(s)haveagoodeffect/influenceonourEnglishstudy.,点拨(1)affectsb.totears把某人感动得流泪beaffectedwithhighfever发高烧(2)effectn.结果;影响haveaneffect/influenceon对有影响effectiveadj.有效的;起作用的,【辨析】,3.suggestv.建议,提议;暗示,表明教材原句Tom,canyousuggestanygoodbooksformyprojects?汤姆,你能为我的项目推荐一些好书吗?,单句填空Billsuggestedholding(hold)ameetingtodiscusswhattododuringthevacation.Hecametomyclasseveryday,buthisattitudesuggestedthathewas(be)notreallyinterestedinthesubject.Mymomsuggeststhatwe(should)eat(eat)outforachangethisweekend.Themanagerputforwardasuggestion(suggest)thatweshould,haveanassistantandthereistoomuchworktodo.(2016天津卷)ItwassuggestedthatIlearntohelpotherswhennecessary.句式升级Headvisedustotakeallthefactorsintoconsideration.Hemadeasuggestionthatwe(should)takeallthefactorsintoconsid-eration.(改为同位语从句),点拨(1)suggest意为“提议,建议”时,其后宾语从句中谓语动词用虚拟语气,即should+动词原形,should可以省略。(2)suggest意为“暗示,表明”时,其后宾语从句用陈述语气。,【发散思维】suggestionn.建议;提议(可数名词)make/offer/giveasuggestion提供一条建议askforasuggestion征求一条建议at/onsb.ssuggestion根据某人的建议,在某人的提议下,4.meanv.意思是;意味着;打算;意欲adj.卑鄙的;低劣的;吝啬的,小气的教材原句Cathy,doyoumeanwellusetheputertotravelaroundtheworld,enteringandexitingcountriesinsecondsandvisitingallthehistori-calsites?凯茜,你的意思是我们将使用电脑去环游世界,快速出入不同的国家并参观所有的历史遗迹吗?,单句填空Inhisopinion,itismoremeaningful(meaning)totravelinforeigncountries.Istillremembervisiting(visit)afriendwhodlivedhereforfiveyearsandIwasshockedwhenIlearntshehadntcookedonceinallthattime.(2018浙江卷)AfterreceivingtheOscarforBestSupportingActress,AnneBenedictwentontothank(thank)allthepeoplewhohadhelpedinhercareer.,完成句子Why?Thisisthethirdtimeyouhavemissedthelecture!Ihadntmeantto.Iwashurryingtoschoolwhensomethingurgenthappenedtome.怎么回事?这是你第三次错过讲座了!我没想这样。我正往学校赶,这时候有紧急的事情发生了。Ivebeenmeaningtocallmyparentsfordays.几天来我一直打算给父母打电话。,Thisneworderwillmeanworkingovertime.这个新订单将意味着加班工作。Atsuchanadvancedagetheycannolongertakeameaningfulroleinthepany.在如此高龄的时候,他们已不能再在公司中担当重要角色。,点拨(1)meandoingsth.意味着做某事meantodosth.打算做某事(2)bemeantfor为而准备的(3)meaningn.意思,意义;含义;思想meaningfuladj.重要的,意味深长的【点津】hadmeanttodosth.表示“本打算做某事”,【发散思维】几组接不定式和动名词意思有区别的词或短语:re-membertodosth.记住要做某事,rememberdoingsth.记得做过某事;for-gettodosth.忘记要做某事,forgetdoingsth.忘记做过某事;goontodosth.继续做某事(内容发生改变),goondoingsth.继续做某事(内容未变);meantodosth.打算做某事,meandoingsth.意味着做某事;regrettodosth.遗憾要做某事,regretdoingsth.遗憾做过某事;stoptodosth.停下来做另外一件事,stopdoingsth.停止正在做的事;trytodosth.尽力做某事,trydoingsth.试着做某事。,5.populationn.人口;全体居民教材原句IthasapopulationofjustunderamillionpeopleandislocatedonNorthIsland.,单句填空Itisreportedthatthepopulationofthatcityhasreduced(reduce)by5percentsince2010.Atthebeginningofthetwentiethcentury,theworldspopulationwas(be)about1,700million.Twoyearslater,DawsonwasoneofthelargestcitiesintheWest,witapopulationof30,000.(2018课标全国阅读理解),完成句子Canadaisthesecondlargestcountryintheworldwithapopulationofmorethanthirtymillion.加拿大是世界上第二大国家,人口超过三千万。Tenyearsagothepopulationofourvillagewastwiceaslargeasthatoftheirs.十年前,我们村的人口是他们村人口的两倍。,点拨(1)thepopulationof.作主语时,谓语动词用单数形式;分数、百分比等+ofthepopulation作主语时,谓语动词用复数形式。(2)haveapopulationof有人口withapopulationof有人口thepopulationof+地点名词+islargerthanthatof+地点名词地方的人口比地方的多Whatsthepopulationof+地点名词?地方的人口是多少?【点津】表达人口多或少时,用large或small,不用many,much,few或lit-tle。,6.settlev.定居;平静下来;解决(分歧、纠纷等)教材原句Thehistoryofthecitygoesback650yearswhentheMaorissettled(settle)inthearea.,点拨(1)settledown定居下来;安静下来;舒适地坐下/躺下settledownto(doing)sth.开始认真对待某事settlein/intosth.安顿下来;适应新环境/新工作(2)settlern.移民;殖民者settlementn.定居点;解决,7.viewn.景色,风景;视野;看法,意见vt.观察;考虑;看待教材原句Inthecity,youcanenjoyanamazingviewfromtheSkyTower,whichisthecitystallestTower.在城市里,站在城市最高的塔天空塔上,你可以欣赏到令人惊异的景色。,单句填空Inmyview,newarchitecturalstylescanexistperfectlywellalong-sideanolderstyle.PersoninAsianculturesmayviewsilenceasasignofrespect.(2016课标全国),完成句子Inmyview/opinion(我认为),thisplanisunrealistic,soIdecidenottotakeit.Inviewofhisyouth,thepolicehavedecidednottopresscharges.鉴于他年纪很轻,警方已决定不予起诉。,点拨(1)inonesview=intheviewofsb.=inonesopinion在某人看来inviewof鉴于,考虑到inview/sight在视野范围内outofview/sight在视野范围外eintoview进入视野,出现在眼前pointofview观点;态度;意见taketheviewthat.持有观点(2)view.as.把视为/看作,8.averageadj.平均的;平常的;普通的,一般的n.平均,平均数;平均标准,一般水准v.平均为,算出的平均数教材原句.theaveragetemperatureinJanuary(summer)is23.4.1月份(夏季)的平均气温是23.4,单句填空Tomsworkatschoolisabovetheaverage,whileHarrysisbelowtheaverage.Thelibrarynowgetsanaverageoffivevisitsaday.,完成句子Hislivingstandardsareaboveaverage(高于一般水平).Onaveragewewouldbespending$300perday.我们平均每天要花费300美元。,点拨above/below(the)average在平均水平以上/以下anaverageof+数字平均为onaverage平均;按平均计算theaverageof.的平均数anaveragespeed平均速度averagepower平均功率averagetemperature平均温度,1.getintouch(with)(与)取得联系教材原句Getintouch.,重点短语,单句填空Tomakeiteasiertogetintouchwithus,youdbetterkeepthiscardathand.(2016北京卷)YoushouldgiveBobaringbecauseyouhaventbeenintouchwithhimforages.,单句改错Fromthenon,wevekepttouchwitheachotherthroughe-mails.keptin,完成句子Noonewhomhehastaughtseemsevertolosetouchwithhim.他所教过的学生似乎没有一个和他失去联系。Itriedtogetintouchwithyouthisafternoon.我今天下午曾试图与你取得联系。Howlonghaveyoukeptintouch/beenintouchwithJohn?你和约翰保持联系多久了?,点拨【点津】getintouchwith与losetouchwith均为短暂性动词短语,不可与一段时间连用。,2.beupto从事,忙于;多达;达到;直到为止;由决定教材原句Whatareyouuptothisweekend,John?,语境识意(写出下列句中upto的含义)Itsuptoyouwhetherweacceptthepresentornot.由决定Californiacondors(秃鹫)areNorthAmericaslargestbirds,withwinglengthofupto3meters.达到,单句填空Afterhisillness,Tomwasnolongeruptodoing(do)thework.Uptonow,theprogramhassaved(save)thousandsofchildrenwhowouldotherwisehavedied.Lastyear,histotaline,withhisrewardaddedto,addedupto15,000yuan.,单句改错Alltheplayersfailedtoliveuptheircoachsexpectationsofthem.upto,点拨beupto(doing)sth.能胜任(做)某事beuptosb.(todosth.)由某人来决定(做某事)【联想】含有upto的常用短语:addupto总计eupto接近;相当于lookupto敬仰liveupto不辜负,达到,wakeupto意识到uptodate现代的;最新的uptostandard达到标准;合乎标准uptothepresent到现在为止uptonow=sofar=till/untilnow到目前为止,1.make+宾语+宾语补足语教材原句In1985,theNewZealandgovernmentmadethewholecountryanuclear-freezone.,重点句型,单句填空Mr.Brownwasgladtomakehimselfclearlyunderstood(under-stand).Hethinksyoungstersshouldntbemadetogo(go)toschooltooearly.Knowingthecausesofangercanmakeusexamine(examine)ourbehavior,andcorrectbadhabits.(2018北京卷七选五),单句改错Whatmakesthisshopdifferenceisthatitoffersmoreservices.differencedifferent,完成句子Heisverypopularamonghisstudentsashealwaystriestomaketheminterestedinhislectures.他非常受他的学生欢迎,因为他总是试图让他们对他的演讲感兴趣。,点拨(1)句式“make+宾语+宾语补足语”的常用结构如下:make+宾语+n./adj./adv.make+宾语+介词短语make+宾语+dosth.(do与宾语是主动关系)make+宾语+donesth.(done与宾语是被动关系)(2)makeoneselfunderstood让别人明白/理解自己【点津】该句式的被动语态结构中,动词原形前需加不定式符号to。此外,make不接doing作宾语补足语。,2.Itis+adj.+that从句教材原句.“ItisclearthatwearegoingtoseeahugegrowthinshoppingontheInternet.”,单句改错Ithinkthatitisfoolishforyoutodosuchathing.forofItisbynomeansclearthatthepresidentcandotoendthestrike.thatwhatEveryoneisveryfriendlyanditdoesntmatterhowyouhavelivedthereforashortoralongtime.howwhether,完成句子Itsuddenlyoccurredtohimthathehadlefthiskeysintheoffice.他突然想起,他把钥匙忘在办公室了。Itdoesntmatterwhetheryouturnrightorleftatthecrossingbothroadsleadtothepark.在十字路口无论你向右拐还是向左拐都没关系,两条路都通向公园。,句式升级WeshouldlearnEnglishwell.ItisimportantforustolearnEnglishwell.(important)Everyoneknowsthatfailureisthemotherofsuccess.Itisknowntoallthatfailureisthemotherofsuccess.(it作形式主语),写作微练众所周知,如果你不经常锻炼,你就不会保持良好的健康。Itisknowntoallthatunlessyouexerciseregularly,youwontkeepgoodhealth.,点拨在该句式中,it为形式主语,真正的主语是that引导的主语从句,类似结构还有:(1)It+be+名词+主语从句(如:Itisafact/pity/shame/surprisethat.;Itisnowonderthat.)【点津】此时主语从句的引导词不一定用that,而是需要根据情况使用。(2)It+be+过去分词+主语从句(如:Itisbelieved/reported/said/thought,that.)(3)It+不及物动词+主语从句(如:Itoccurredtosb.that.某人突然想起;Itdoesntmatterhow/whether.)【联想】it作形式主语的不定式的复合结构:(1