高中英语 unit3revision课件 新人教版必修5 课件VIP专享VIP免费

revisionStep1:复习导入(知识框架)(10分钟)•重点单词•重点短语•重点句式•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…...动词过去分词做状语1．impressionn.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2．previousadj.以前的；早先的previousto...在……前；先于……(to为介词)previouslyadv.先前地；以前地3．guiden．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•4．instantn．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,directly•5.lackv．&n．缺乏；短缺的东西(1)v.(2)n.(3)lackingadj.短缺的；缺乏的belackingin缺少lack＋n.lackfor＋n.(多用于否定句中)需求；需要for/throughlackof＋n.因缺乏……alackof＋n.缺乏……nolackof＋n.不缺乏……6.switchvt.转换n．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1．takeup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takeapart拆开takeover接管，接收2．losesightof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3.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加速句式1.Thereissimilartothe“jetlag”yougetfromflying,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。2．Exhausted,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.Insidewasanexhibitionofthemostup-to-dateinventionsofthe31stcentury.在太空里有第31世纪最新发明展完全倒装Step2：课堂训练&疑难点拨(18分钟)P56onthebookAnswerkeyforEx1:1.lostsightof2.catchsightof3.caughtsightof4.lostsightofAnswerkeyforEx2:typist,capsule,representative,impression,efficiency,motivation,instant,switch,flash,manufactured,materials,settlements.AnswerkeyforEx3:1.Thisparcelofbooksis250yuanincludingpostageandpacking.Pleasewritedownthereceiver’saddressanddon'tforgetthepostcode.2.Decadesago,peopleusedtypewritersforformaldocuments,butnowweusecomputersandprinterstodothesamework3.Althoughithasalongshelflife,instantcoffeemaygosolidifitisnotkeptdry.4.Onethousandyearsinthefuture,citizensoftheearthmaybeabletodisposeoftheirrubbishusinganecologicalsystem.5.Thesnakewassogreedythatitswalloweduptheratinonebite.6.Dealingwithpeopleisoneimportantaspectofabusinessman’swork.7.Whenwecamehomefromourwalkacrossthefieldswehadmudalloveroutboors.8.Aftersixweeksinh...