2021版新高考英语一轮复习 Unit 4 Cyberspace课件 北师大版必修2

必修2Unit4Cyberspace课前三言两语三言1.Inrecentyears，InternetvotinghasbecomeincreasinglypopularinChina.2．Tovote，ornottovote？Thisisaquestionthattroubleshimverymuch.3．Secondly，peoplecanalsochoosetobuyorsellwhatevertheywantbytheInternet，whiletraditionalshopsdon'tprovidethemwithsuchgreatfreedom.两语1.首先，在互联网的帮助下，人们在家在一台电脑前面办公，收发所需信息是有可能的。Firstly，withthehelpoftheInternet，________________________________________withacomputerinfront，sendingandgettingtheinformationtheyneed.[it's＋adj.＋(forsb.)todosth.]2．个人认为，仅凭网络投票的结果决定你是否胜出是不公平的。Personally，__________________________whetheryouareawinnerornotonlybytheresultofonlinevoting.[it's＋adj.＋(forsb.)todosth.]it'spossibleforpeopletoworkathomeitisunfairtobedecided基础知识梳理[单词拼写应用]核心单词1．______adj.有可能的adv.(与most，very连用)可能2．_____vi.集中注意3．_____n．指南；导游，向导4．_______n．气候5．______vt.影响6．______n．&vt.攻击，进攻likelyfocusguideclimateaffectattack7．_______n．课题；方案；工程8．_________vi.消失9．______n．市郊，郊区10．___________n．目的地11．_____n．&vt.提供，提议；优惠12．_____n．犯罪；罪行projectdisappearsuburbdestinationoffercrime13．_____vt.(汽车、飞机等)撞毁；坠毁14．_______adj.平均的n.平均数15．__________adj.历史的，有关历史的16．______vt.坐落于；位于17．_______n．观光，游览crashaveragehistoricallocatetourism[语境运用]用所给词的适当形式填空。1．Forexample，outdoorlightingseverely_______(affect)migratingbirds.2．Eatinganddrinkingtoomuchislikely_______(give)one'sstomachtrouble.3．Hefindsithard________(focus)histhoughtsononethingforlongerthanfiveminutes.4．Atlantawasvotedthebestcityinwhich_________(locate)abusinessbymorethan400chiefexecutives.affectstogivetofocustolocate5．Thesoldiertookhisswordand________(attack)theenemy.6．Achievingyourgoaltobeadmittedbyafirst­gradeuniversityisonlyoneofthe____________(destination)inyourlife.7．We________(reject)hisideaforamusicclub，anddecidedtohaveanartclubinstead.8．Igratefullytookthecupofcoffeethatshe_______(offer)me.9．Theplane_______(crash)intothemountain，butluckilythepilotsurvived.attackeddestinationsrejectedofferedcrashed拓展单词1．realadj.真实的，真的→_______n．真实，现实→_______vt.实现；意识到2．optimisticadj.乐观的→________n．乐观；乐观主义3．harmvt.&n．伤害，损害→_______adj.有害的→________adj.无害的4．scientificadj.科学的→_______n．科学→_________n．科学家realityrealizeoptimismharmfulharmlesssciencescientist5．arrangevt.安排→___________n．安排6．settlevi.定居vt.解决，使定居→__________n．(新)定居地7．attractvt.吸引→__________adj.吸引人的，有魅力的→__________n．吸引力；具有吸引力的事物或人8．entertainv．娱乐；招待→_____________n．娱乐；款待→____________adj.使愉快的；有趣的arrangementsettlementattractiveattractionentertainmententertaining9．suggestvt.建议，提议→__________n．建议，提议10．terrorn．恐怖→_________n．恐怖分子→_________n．恐怖主义→_______vt.使恐怖；使惊吓→__________adj.令人恐怖的→_________adj.感到恐怖的suggestionterroristterrorismterrifyterrifyingterrified[语境运用]用所给词的适当形式或所给提示填空。1．Theseplayswereapopularformof_____________(entertain)inthe1920sand1930s.2．In_______，Ihave________thatImuststopdaydreamingandbe_________.(realise)3．The_______materialsbecame________totheenvironmentafterbeingdealtwith.(harm)entertainmentrealityrealizedrealisticharmfulharmless4．Parents_______(arrangement)everythingfortheirchildrenandsparenoefforttopavethewayfortheirsuccess.5．___________(destroy)oftheenvironmentisoneofthemostseriouschallengesweface.6．Theyprovideanenvironmentwhereyoucanpracticeunderthe________(guide)ofsomeonewho'sgoodatthelanguage.7．Thechiefengineertogetherwithhiscolleagueshasbeenlookingfornew__________(science)methodsoffarmingsincefiveyearsago.arrangeDestructionguidancescientific8．Theman_________thatthemanagershouldaccepthis___________whichhethoughtwereofgreatvalue.(suggest)9．The________issaidtohavecommittedmany______beforebeingarrested.(crime)10．Blackpoolisthetoptourist__________inEngland.Anumberofvisitorsfromallovertheworldare_________bythe__________scenerythere.(attract)suggestedsuggestionscriminalcrimesattractionattractedattractive阅读单词1．virtualadj._______2．pessimisticadj._______________3．destructionn．____________4．militaryadj._________________5．hackern．________虚拟的悲观的，厌世的破坏，毁灭军事的，军用的电脑黑客6．globaladj._________________7．surfingn．_____8．siten．___________________________9．spidern．______10．fashionn．____________全球的，全世界的冲浪(事物或事件发生)场所，位置蜘蛛时髦，时尚1．(2019·全国卷Ⅲ)Whenastudentattacksaprofessoronthesocialmedia，thelanguageusedactuallysaysmoreaboutthestudent._____2．(2017·全国卷Ⅱ)Freddywasanaveragestudent，butnotanaverageperson._______3．(全国卷Ⅱ)With500yearsofhistory，HamptonCourtwasoncethehomeoffourKingsandoneQueen.Nowthisformerroyalpalaceisopentothepublicasamajortouristattraction._____抨击普通的景点[短语多维应用]高频短语1._______(电话用语)别挂断2．____________取得联系3．________做，从事于；取决于4．____________本人亲身5．___________而且[语境运用]选用左栏短语的适当形式填空。BobandIhavebeengoodfriendssincewewereveryyoung，however，Icouldn't①____________withhimrecently.Idon'tknowwhathehas②__________andIworryabouthimverymuch.Idecidetopayavisittohim③____________，butmybrothersuggeststhatI(should)goonholidaywithhim.ButIhavetorejecthissuggestion.④___________，Ihavenotimetogowithhim.hangongetintouchbeuptointhefleshwhat'smoregetintouchbeenuptointhefleshWhat'smore高频短语6._________实现7．__________也，又8．_______切掉，切断9．_________________在……方面有困难10．___________采取行动[语境运用]选用左栏短语的适当形式填空。Myfather⑤_________________hishealthforseveralyears.Hisfriends⑥__________my