高中英语 unit3revision课件 新人教必修5.ppt

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1、unit3 Life in the futurerevision2021/8/11 星期三1Step1:Step1:复习导入复习导入(知识框架知识框架)(10分钟分钟)2021/8/11 星期三2重点单词重点单词重点短语重点短语重点句式重点句式语法语法impression,previous,guide,lack,switch,optimistic,desert,instant,settlement1.takeup2.losesightof3.sweepup4.slideinto5.speedup1.Itseems(that)2.全倒装句式 insidewasanexhibitionof.动词过

2、去分词做状语2021/8/11 星期三31impressionn.印象；感想；印记impressvt.使感动，使留下印象impressiveadj.给人深刻印象的haveanimpressionof对有印象beundertheimpressionthat.认为；以为makeanimpressionon给留下印象impresssth.on/uponsb.使某人铭记某事物impresssb.withsth.使某人铭记某事物beimpressedby/at/with对印象深刻2previousadj.以前的；早先的previousto.在前；先于(to为介词)previouslyadv.先前地；以前

3、地3guiden向导，指南，指导，导游，有指导意义的事物vt.指导，管理，带领aguideto.的指南guidepost路标guidesb.through/across带领某人穿越单词详解单词详解2021/8/11 星期三44instantn瞬间，刹那adj.立即的，立刻的ininstantneedofhelp急需救助inaninstant立刻；马上表“一就”的有：theminute/moment/second/instant,assoonas，instantly,immediately,directly5.lackv&n缺乏；短缺的东西(1)v.(2)n.(3)lackingadj.短缺的；

4、缺乏的belackingin缺少2021/8/11 星期三56.switch vt.转换转换n开关；转换开关；转换(1)switchon接上；打开switchto变换到switchoff切断；关掉(2)makeaswitch进行改变2021/8/11 星期三61takeup占去(时间/空间)；开始学习；从事；继续；接受；拿起；改短(衣服)；加入takeoff脱(衣服)；起飞；成名takein吸入；领会；包含；收留(某人)takeaway解除；消除(痛苦等)takeback收回(说过的话)；退回(货物)；与重归于好，使回忆起takedown(writedown,notedown)写下；拆除tak

5、eapart拆开takeover接管，接收2losesightof看不见atthesightof.在看到时catchsightof.望见，看到in/withinsight在视线内，可以被看见insightof.可以看见outofsight看不见了，不被人看见短语短语2021/8/11 星期三73.speedup加速athigh/low/full/topspeed以高/低/全/最高速ataspeedof.以速度withallspeed尽快地reducespeed减速pickupspeed加速2021/8/11 星期三8句式句式1.Thereissimilartothe“jetlag”youget

6、fromflying,butitseemsyoukeepgettingflashbacksfromyourprevioustimeperiod这就与你乘坐飞机会产生时差反应相似，但是在你脑子里似乎会不断闪现以前的时光。2Exhausted,Islidintobedandfellfastasleep.我感到累极了，爬上床很快就睡着了。exhausted为形容词在句中做伴随状语。3.Hitbyalackoffreshair，myheadached.由于缺乏新鲜空气，我感到头痛。过去分词作状语时，若其逻辑主语是句子的主语，则与句中主语含有逻辑上的被动关系。4.Insidewasanexhibitio

7、nofthemostup-to-dateinventionsofthe31stcentury.在太空里有第31世纪最新发明展完全倒装2021/8/11 星期三9Step2：课堂训练课堂训练&疑难点拨疑难点拨(18分钟分钟)2021/8/11 星期三10P56 on the bookAnswerkeyforEx1:1.lostsightof2.catchsightof3.caughtsightof4.lostsightofAnswerkeyforEx2:typist,capsule,representative,impression,efficiency,motivation,instant,s

8、witch,flash,manufactured,materials,settlements2021/8/11 星期三11.AnswerkeyforEx3:1.Thisparcelofbooksis250yuanincludingpostageandpacking.Pleasewritedownthereceiversaddressanddontforgetthepostcode.2.Decadesago,peopleusedtypewritersforformaldocuments,butnowweusecomputersandprinterstodothesamework3.Althoug

9、hithasalongshelflife,instantcoffeemaygosolidifitisnotkeptdry.4.Onethousandyearsinthefuture,citizensoftheearthmaybeabletodisposeoftheirrubbishusinganecologicalsystem.5.Thesnakewassogreedythatitswalloweduptheratinonebite.2021/8/11 星期三126.Dealingwithpeopleisoneimportantaspectofabusinessmanswork.7.Whenw

10、ecamehomefromourwalkacrossthefieldswehadmudalloveroutboors.8.Aftersixweeksinhospital,hewasbackonhisfeetandreadytostartwork.2021/8/11 星期三13P57AnswerkeyforEx1:1.Well-knownforhisbooksaboutSouthAfrica,JMCoetzeewontheBookerPrize.2.Aprincessonceownedamagicalchairmadeofgoldandsilver.3.Onhisbirthdayhereceiv

11、edamysteriouspresentwrappedingoldpaper.4.Interruptedbythebell,hewasunabletofinishhisspeech.5.Awakenedbyanoiseatmidnight,shesawathiefinherroom.6.Seated,passangersshouldfastenyourseatbelts.AnswerkeyforEx2:called;Endangered;pointed;known;fallen;supported;terrified2021/8/11 星期三14Step：问题探究问题探究(学生讨论学生讨论)7

12、分钟分钟2021/8/11 星期三15 as引导的状语从句有哪些，各有什么含义？引导的状语从句有哪些，各有什么含义？as有conj.，prep.，adv.，pron.等词性，作为连词可引导五种状语从句，即时间状语从句、原因状语从句、方式状语从句、让步状语从句以及比较状语从句。(1)引导时间状语从句要区分when，while，as等连词的用法when：句子谓语既可为时间点(即终止动作)，也可为时间段(即延续动作)。while：句子谓语为延续动作，往往表示“一个动作发生时，另一个动作正在发生”。as：常表示“一边做，一边做”，也有“随着”等义。(2)引导原因状语从句要区分because，since

13、，as的用法because：常回答why的问句，语气强，用法正式。since：有“既然”之意，与as一样，引导的从句常位于句首2021/8/11 星期三16(3)引导方式状语从句同justas(语气更强)，意为“正如，照方法”。(4)引导让步状语从句要用倒装语序，即：n./adj./adv./v.p.pas/though主语谓语。名词表语提前用单数且无冠词。用法同though(不用although)。(5)引导比较状语从句常构成as.as结构，第二个as为连词或介词。2021/8/11 星期三17完成句子(1)_(随着时间的推移)，thingsseemedtogetworse.(2)_(由于我

14、们俩都累了)，letsjustgrabatakeaway.(3)_(我们最好保持现场原样)untilthepolicearrive.(4)_(尽管她是个孩子)，Susanknowsalot.(5)Icantrun_(像过去那样快)As time passedAs were both tiredWed better leave things as they areChild as she isas fast as I used to2021/8/11 星期三18Step：课堂提升课堂提升（9分钟）分钟）2021/8/11 星期三191.ThemanagerlikeMarryverymuchbec

15、ausethe_sheleftonthemanagerwasquitegoodA.guideB.adjustmentC.impressionD.motivaton2.Afterheretiredfromoffice,Roger_paintingforawhile,butsoonlostinterestAtookupBsavedupCkeptupDdrewup3.Beautyisfoundeverywhere.Oureyesdonotshow_senseofbeauty,but_observation.A.alackof;alackofB.lackof;lackinginC.nolackof;n

16、olackinC.alackfor;alackfor2021/8/11 星期三20 4.Nomatterhowfrequently_,theworksofBeethovenstillattractpeopleallovertheworld.A.performedB.performingC.tobeperformedD.beingperformed5.Itwassuchaseriousmistake,_causedbycarelessness.A.whichIthinkwasB.whatIthinkitwasC.IthinkwhichwasD.Ithinkwhatitwas文2021/8/11 星期三21Homework（1分钟）1.整理本单元的笔记，卷子。2.预习unit3单词并抄写黑体字单词三遍2021/8/11 星期三222021/8/11 星期三23