新课标人教版必修二Book2 Unit4 Using languagePPT课件

.,预习案答案：1.形成、产生comeintobeing2.在那时atthattime3.稀有物种rarespecies4.意想不到的事件unexpectedincident5.在这么短的时间内insuchashorttime6.ThereweremanydifferentkindsofdinosaurandanumberofthemusedtoliveinChina.7.AccordingtoaUNreport,some844animalsandplantshavedisappearedinthelast500years.8.inspectvt.检查；视察9.unexpectedadj.没料到的；意外的10.dustn.灰尘；土11.fierceadj.凶猛的；猛烈地,.,UsingLanguage,Animalextinction,.,Lookatthesepicturesandanswerquestions:,They_alongtimeago.,disappeared,/diedout,Q1:Whatarethey?,Q2:Whathappenedtothem?,Theyare_,dinosaurs,.,Whatmightbethereasonsfortheirextinction?,Guessing,.,Whendiddinosaurslive?,Tensofmillionsofyearsago,longbeforehumanscameintobeing.,Whendiddinosaursdieout?,FastReading,Dinosaursdiedoutsuddenlyabout65millionyearsago.,Howdiddinosaursdieout?,Maybethatsbecauseahugerockfromspacehittheearthandputtoomuchdustintotheairorbecausetheearthgottoohottoliveon.,FastReading,FastReading,.,Trueorfalse,TherearemanydifferentspeciesofdinosaurandallofthemhavebeenfoundinChina.Notlongago,ararenewspeciesofbird-likedinosaurwasdiscoveredinHenanProvince.,anumber,Liaoning,F,F,CarefulReading,.,3.Somescientistsaresuredinosaursdiedoutbecausetheearthgottoohotforthedinosaurstoliveonanymore.4.Dinosaursdiedoutquicklyabout65millionyearsagoandmanyanimalshavediedoutinthesameway.,F,T,think,CarefulReading,longbefore“很久之前”，引导_从句。Itwillbelongbefore+从句(很久之后才)Itwill(not)belongbefore+从句(不久就.)从句用一般现在时或一般过去时,主句用一般将来时或一般过去将来时。,Languagepoints,1.Theylivedontheearthtensofmillionsofyearsago,longbeforehumanscameintobeing,时间状语,Ex.It_longbeforewe_theresultOftheexperiment.A.willnotbe;willknowB.is;willknowC.willnotbe;knowD.is;know,拓展：beforelong不久以后_hegotmarried.Hehadworkedinthefactory_hegotmarried.,Beforelong,longbefore,ontheearth在地球上。在earth,sun,moon等表达世界上独一无二的名词前，要加the。onearth究竟；到底。你到底为什么不跟我说实话？_,Whyonearthdidntyoutellmethetruth?,.,comeintobeing,:形成,产生,漏油事件危害到了许多海鸟的生存，这促使了许多以保护鸟类为目标的社会团体形成,_withoilspills_manyseabirds,whichhasencouragedsocietiesto_,whose_istosavethebirds,Incidents,harm,comeintobeing,goal,我们的学校是1997年建立的,Ourschool_in1997,AB,setup,wassetup,Ourschool_in1997,cameintobeing,AB,wascomeintobeing,comeintobeing不可以用被动语态,Thereisastoryabouthowtheword“sandwich”_AcameintobeingBwascameintobeingCcametopowerDwascametopower,A,.,accordingto,:按照，根据.所说,根据标题和图片,这篇文章主要讲的是什么内容？,Whatisthemainideaofthepassage_the_andthepictures,accordingto,title,Wearepaid_howmuchworkwedid,_manyoldpeople,helikesthiskindofsong,ABCD,accordingto,accordingto,asaresultof,Withthehelpof,Incommonwith,.,野生动植物保护基金会定期视察大熊猫保护区，结果那里的大熊猫得到了很好的保护。他们确保任何大熊猫捕猎者会受到惩罚，毫不留情。,TheWWF_thepanda_regularly_thepandastherearewellprotected.Theymakesurethatanyonewho_apandawillbepunish_,inspects,reserve,sothat,hunts,withoutmercy,sothat,“结果”,引导结果状语从句,Pleasespeakloudlyandclearlysothat,“为了”,引导目的状语从句,sothat,“如此以至于”,Everybodylentahandsothat,TheflyingcarpettravelledsofastthatnextminutetheywereinZimbabwe,theworkwasfinishedaheadoftime.,(结果),everyonecanhearyou,(为了),sothat,.,Consolidation,Translatethefollowingsentences:1.保护野生动物，人人有责。2.如释重负，Daisy突然笑了起来。3.我们应该注意天气的变化情况。4.不久，夏天就要来了。5.没有人知道恐龙是怎么样在这么短的时间内从地球上消失的。6.我们应该根据自己的兴趣爱好选择专业（major）。,.,Suggestedanswers:,1.保护野生生物，人人有责。Itiseveryonesduty/responsibilitytoprotectwildlife.2.如释重负，Daisy突然笑了起来。Inrelief,Daisyburstintolaughter/outlaughing.3.我们应该注意天气的变化情况。Weshouldpayattentiontothechangesoftheweather.4.不久，夏天就要来了。Itwontbelongbeforethesummercomes.5.没有