Unit4 lesson3 Virtual Reality课件 北师大版必修2

Lesson3VirtualRealityWhichoftheseusesforvirtualrealityarepossiblenow?＊virtualrealityholidays＊learningtoflyusingvirtualrealitytechnology＊virtualrealitycomputergames＊visitingvirtualmuseumsontheInternetReadthetextandanswerthequestions1.Whycan’tCathygooutthisweekend?Shehastofinishherproject.2.WhereisTomplanningtogo?Hewillgocampingifweatherisgood.3.WhatwouldTomliketodowithvirtualreality?Hewouldliketogotoaworld—famousuniversity.4.WhyisCathysoexcitedaboutthetechnology?Shethoughtshewouldbeabletogoanywheresheliked.Languagepoints1.Ihavelotsofworktodo.e.g.Hehasalargefamilytosupport.----Doyouhaveanythingmoretobetyped,sir?-----No,youcanhavearestordosomethingelse.2.dependvidependon/upon依赖，依靠，根据，依据，取决于。归纳拓展：dependonsbtodosth依赖某人做·······dependonitthat相信，指望。Thatdepends/It（all）depends.视情况而定。e.g.Youcandependon___shewon’tbelate.AthatBitCitthatD/C3.suggestvt.建议，暗示suggestionn.建议知识拓展：suggestdoingsthTom提议去散步。Tomsuggestedgoingforawalk.suggeststhtosbWhatdidyousuggesttotheteacher?你向老师提了什么建议？•suggestsbdoingsth建议某人做某事•make/give/offerasuggestion提供一条建议•askforasuggestion征求一条建议1)Suggest作“暗示，表明”讲，引导的从句用陈述语气。HisaccentsuggestedthathewasfromSichuan.2)作“建议”讲，其后的宾语从句中谓语动词常用“should+动词原形”，should可以省略。Shesuggestedthatthework(should)bestartedatonce.牛刀小试(1)Theparentssuggested________inthehotelroombuttheirkidswereanxioustocampoutduringthetrip.A．sleepB．tosleepC．sleepingD．havingslept解析：选C。句意为：父母建议在宾馆中睡觉但是他们的孩子们却渴望旅途中在外面宿营。suggestdoing表示“建议做某事”。•(3)(2011年郑州高一检测)Thepalefaceofmyfriendsuggestedthathe________inpoorhealth，andIsuggestedthathe________toseeadoctor.•A．is；wentB．was；goes•C．shouldbe；goD．was；go•解析：选D。句意为：我朋友苍白的脸表明他健康状况不好，我建议他去看医生。当suggest意为“表明，暗示”时后面宾语从句不用虚拟语气；当意为“建议”时，后面宾语从句用虚拟语气，即should＋do的形式，且should可以省略。4.what’smore而且，在讲述一些事情时，用它表示补充，后用逗号。what’sworse更糟糕的是，他是个司机，而且他还是一个优秀的运动员。egHeisadriverand,what'smore,heisagoodasportman.•5.meanvt.计划，打算，意味着•meantodosth计划做某事egIdidn'tmeantohurtyourfeelings.meandoingsthegTheredlightsmeanstop.接受这个工作就意味着出国。Acceptingthejobmeansgoingabroad.6.atall根本，全然；到底，究竟◇Idon'tlikeheratall.◇Hasheanymoneyatall?◇He'llcomebefore12ifhecomesatall.※用法:用于否定句，表示“完全(不)，根本(不)，一点也(不)”；Notatall单独用来回答感谢或道歉，表示“不用谢，没关系”；用于疑问句，表示“到底，究竟”；用于条件句，只是加强if的语气，表示“要是真的，即使真的”。我一点都不喜欢她。他到底有没有钱呢？如果他真的要来的话，肯定在十二点以前。★联想：(1)afterall毕竟，终究(2)inall总共(3)notatall一点也不■运用：用上述短语完成句子。(1)Don’tscoldhim,________heisonlyachild.(2)Thereareonly10peopleattendingthismeeting_________.(3)Asamatteroffact,Ididn'tknowhim___________.afterallinallatallRevision7.Justimagineneverhavingtopackasuitcase.只跟动词的ing形式作宾语的动词有：consider(考虑)，delay,deny(否认)，avoid（避免）,stand,suggest,enjoy,mind,fancy(想象)，giveup,Revision:8.Istillfindithardtoimagine.本句中含有“findit+形容词+todosth”句型。本句型中的it是形式宾语，不定式是真正的宾语，形容词是宾语补足语。e.g.Thetwogirlsaresoalikethatstrangersfind___difficulttotellonefromtheother.AitBthemCherDthatA9.beusedtodosth被用来做某事egClothisusedtomakeclothes.be/getusedtodoingsth习惯于做某事egIgotusedtolearningEnglish.usedtodo过去常常做某事egMyfatherusedtogoshopping.