人教版高中英语必修unit单词讲解PPT课件

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高中英语人教版新课标必修五Unit3LifeInTheFuture1.impressv.使铭记;使钦佩impressionn.(c)印象;感想;印记;印数⑴Thefirstimpressionofthisbookwassoldveryquicklysotwomoreimpressionswereordered.⑵Theyproducedastrongimpressiononme.⑶Thewayhetalksisreallyimpressivehave/make/leavea/an…impressiononsb.给某人留下···的印象Hisspeechleftadeepimpressiononus.他的演讲给我们留下了深刻的印象。(2)impresssth.on/uponsb.=impresssb.with/at/bysth.某事/物给某人留下印象sbbeimpressedby/with被深深打动/感动,使印象深刻(3)impressiveadj.给人深刻印象的animpressivescene一次难忘的场面2.takeup拿起;接受;开始;继续Takeupyourarms.拿起武器。Takeupachallenge.接受挑战。Takeupanewjob.开始新工作。Takeupthesamestory.继续讲同一个故事。Takeuptoomuchroom/time.占据太多的空间或时间。take短语:takechargeof负责,主管takenoticeof注意takeholdof抓住takeadvantageof利用takecareof照顾takeoff起飞,脱掉,事业腾飞takeover接管takeon呈现,雇佣takeplace发生takeback收回(说的话)takein接受,理解,欺骗,吸收takeaway拿走takeiteasy(心理上)别着急takeone’stime(时间上)不着急慢慢来takepartin参加takedown记下,拆掉,takesthforgranted认为某事理当如此3.previousadj.在前的,早先的1)(时间上)稍前的Wehadmetonapreviousoccasion.我们上次见过面。2)先前的,以往的Applicantsforthejobmusthavepreviousexperience.申请这份工作的人须先前有过这种工作经验。•知识拓展•1)previoustoprep.在前,在先,在……以前•①Ihadcollectedmaterialprevioustowriting.•我在写作以前先搜集了材料。•②Previoustothis,she'dalwaysbeenwell.•这以前,她身体一向很好。2)previouslyadv.以前,先前;预先Irememberseeinghimsomewherepreviously.我记得从前在什么地方见过他。4.guide1)n.(c)指导,向导,导游Wehiredalocalguidetogetusacrossthemountains.我们雇了一名当地人做向导带领我们翻山越岭。2)vt.带领,指引,指导Sheguidedusthroughthebusystreettotheschool.她带领我们穿过繁忙的大街去学校。Hewasalwaysguidedbyhisreligiousbeliefs.他的言行总是以自己的宗教信仰为指导。5.surrounding1)n.[pl.]环境Thishospitalisinbeautifulsurroundings.这所医院环境优美。2)adj.周围的,附近的Thesurroundingvillageshavebeenabsorbedby/intothegrowingcity.周围的村庄已经并入了那不断扩展的城市。surroundvt.围绕,包围besurroundedby...由……围着/包围Treessurroundthelake.Thelakeissurroundedbytrees.湖的四周环绕着树。词语辨析surroundings,environment,circumstances这三个名词均含“环境”之意。1)surroundings指人所在的周围地区或事物;或指围绕着某物的周遭环境,注意是复数。2)environment指人与自然界生存的环境,或是指对人的感情、品德思想等产生影响的环境。Manypeopleareconcernedaboutthepollutionoftheenvironment.许多人都关心环境污染问题。3)circumstances指人生存的客观环境,还可以指“境地;境遇”,尤其指经济状况。Hewasforcedbycircumstancestodothis.他做这件事是为环境所迫。6.toleratevt.容忍,忍受(n/doing)Idon'tknowhowyoutoleratethatnoise!我不知道你怎么能忍受那样的噪音!Wesimplycannottoleratecheatinginexams.我们就是不能容许考试作弊行为。1)tolerancen.(u)容忍;n.(c,u)忍受力Manyoldpeoplehaveaverylimitedtolerancetocold.许多老人耐寒能力有限。2)tolerantadj.宽容的,容忍的Sheisatolerantmother.她是一位宽容的母亲。7.lackvi,vt缺乏;没有n(c,u)缺乏;短缺的东西lackingadj.缺乏belackingin缺乏for/throughlackof因缺乏lack(for)nothing没有欠缺Ihaven‘tfinishedthepaintingforlackoftime.由于时间不够,我的画还没有完成。Theylackedfornothing.他们什么都不缺少。Wearelackinginmoney.8.adjustmentn.(c,u)调整,调节I'vemadeafewadjustmentstotheplan.我已对计划作了几处调整。adjust1)vt.调整,调节Thisbuttonisforadjustingthevolume.这个钮是调节音量的。2)vi.适应,习惯adjusttosth./adjustoneselftosth.使适应You'llquicklyadjust(yourself)tostudentlife.你将很快适应学生生活。9.bebackonone'sfeet(困境后)恢复,完全复原;(病后)痊愈She'sbackonherfeetagainafterheroperation.她手术后又恢复健康了。Thenewchairmanhopestogetthecompanybackonitsfeetwithinsixmonths.新董事长希望在六个月以内使公司恢复元气。10.pressvi.vt按;压;逼迫pressingadj.紧急的,紧迫的pressuren.压力,压强N(C)按;压;印刷;新闻Presssbtodosth逼迫某人做某事Pressthebuttons.按按钮Shepressedherfaceagainstthewindow.她把脸贴在窗户上Hepressedhisfathertobuyhimacar.他逼着父亲给他买一辆汽车。thePress新闻thefreedomofthePress新闻自由11.losesightof看不见Becauseofthethickfogwelostsightoftheroadinfrontofus.因为大雾我们看不见前面的路。sight的短语:atfirstsight乍一看,初看时inthesightofsb.|insb‘ssight从某人的观点看,在某人看来atthesightof...一看见……就……loseone'ssight失明catchsightof看到;发现Outofsight,outofmind.眼不见,心不烦。12.sweepup打扫,横扫swept,sweptsweepingsweepsShewaslefttosweepupaftertheparty.聚会结束后她被留下来打扫。Thewindsweptupthesandintoamound.风把沙子吹拢成一个小丘。13.flashn.[C]闪光,(想法的)突现vt.vi(使)闪光;(使)闪现Flashesoflightwerefollowedbyanexplosion.阵阵闪光后就是一声爆炸的巨响.Aflashofgriefcameuponherwhensheheardthenews.她听到这消息时内心感到一阵悲伤。Thetrainflashedbyathighspeed.火车疾驶而过。Alittlelightflashedonthewall.墙上的一个小灯亮了。•常与flash构成的短语有:•aflashinthepan昙花一现•inaflash即刻,一瞬间•asquicklyasaflash快如闪电般地•flashby/past一闪而过•flashupon(思想、意念、回忆等)闪现心头,掠过心头,忽然想起14.slideinto(快捷而悄声地)移动;溜进slidslidslidingslidesIt‘seasytoslideintothebadhabitslikesmokinganddrinking,butit’shardtoquit.Thethiefslidintotheroom.小偷溜进房间.15.optimisticadj.乐观(主义)的optimistn.(c)乐观主义者optimismn.乐观,乐观主义Thoseoptimistsareoptimisticabouttheirfuture.beoptimisticabout对……乐观pessimisticadj.悲观(主义)的pessimistn.(c)悲观主义者pessimismn.悲观,悲观主义16.speedup加速SpedspedOncethesedifficultiesweregotover,theworkwouldspeedup.一旦克服了这些困难,工作进展就快了。Hepushedaleverthatspeededupthecar.他挂挡加快了速度。17.desertn.(c,u)沙漠;荒漠vt.抛弃;遗弃注意:拼写相似的词dessert(饭后的甜点心)理解下列句子中desert的词性和词义。⑴Somerichhusbandsoftendeserttheirwives.vt.抛弃⑵Ifyougotothecountryside,youwillfindtherearealotofdesertedhouses.adj.废弃的⑶OnceanArabwastravellinginthedesertonhiscamel.n.沙漠18.instantn.瞬间;片刻adj.立即的;立刻的instantlyadv.立即;马上conj.一……就theinstant一……就(用作连词,引导时间状语从句)foraninstant一会儿;片刻inaninstant一会儿之后Pleasetellmeinstantlyhearrives.Theinstantheopenedthedoorhesawthethief.instantcoffee速溶咖啡instantnoodles方便面19.disposevt.布置;安排disposaln.(u)清除;清理disposeof处理;摆脱;清除atone’sdisposal供某人使用/支配Imustdisposeofthetrouble.我必须摆脱麻烦。Myknowledgeisatyourdisposal.我的知识由你安排。IfIlose,Iwillbeatyourdisposal.如果我输了,任凭你处置。20.swallowvt.吞下;咽下n(c)燕子swallowedswallowedswallowingswall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