Unit20Warm-upandLesson1TeachingaimsI.wordsandphrases：frontiertelescopeatommicroscopeastronomybacteriaradiumsolarcrewpanelinstitutecomputesenseimpactethicalradioactivepoloniumseminarlife-sizedscreenhandybiochemistrytheoreticallyrobotdatabasemeanwhilesourceexplorationbarbershopartificialintelligence,lightyear,searchengine,solarsystem,takeover,carryout,dataprocessing,theInternationalSpaceStation,clickinto,intermsof,II.listeninganddiscussionaboutsomethingofscienceIII.toreadthetextandstudythelanguagepointsTeachingtimeTwoperiodsTeachingprocessStep1RevisionStep2newwordslearning1.asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation2.playthetapeandhavethemreadafterthetape3.givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadthewords,encoreagethemtoasktheteacher.Step3Warm-up1.Readunitobjectives,andaskthestudentstotellusthemeanings.2.Exercise1用心爱心专心a)letthestudentsreadthewordsandthenmatchthebranchesofsciencewiththepictures.b)todiscussthepictureswiththeclass3.Exercise2a)letthestudentsreadtheKeyWordsandmakesurethattheyreallyunderstandthemeaningsoftheKeyWords.b)studentsdotheexerciseindividually,andthenchecktheiranswers4.Exercise3a)makesuretheclassknowwhattodo.Thenplaythetapetwice,asksomestudentstosaytheiranswerstotheclass.5.Exercise4a)readthequestionsfirstb)havethestudentsworkinpairsanddiscussthequestionsstep4Reading1.Beforeyoustarta)readtheexercise1andaskthestudentsiftheyknowthephrases’meaning.Andgivethemafewminutestodiscusstheanswersb)checktheiranswersandaskthemtogivereasonsfortheiranswers.2.Readtolearna)askthestudentslookatexercise2,andthenplaythecassettetwice.b)givethemtenminutestoreadthetextandfillthetable.用心爱心专心c)checktheirsanswers3.Languagepointsa)lookinto向...的里面看,窥视;浏览;观察,调查e.g.:Themayorpromisedtolookintowhethertheclashwasdesigned,oritjusthappenedbyaccident.市长答应调查这次冲突是预先计划好的,还是偶然发生的。Helookedthroughanumberofjournalsbeforehestartedtheresearchproject.他在进行该项研究课题前查阅了许多期刊。b)hundredsof好几百,许许多多c)communicatewith通话,通信;［英］（房间等）互通tocommunicatewithaperson与人联络eg:TheMinisterforForeignAffairshasalreadycommunicatedonthiseventwiththeAmericanPresident.外交部长已经跟美国总统就此事件交换过意见了。Thisroomcommunicateswiththeotherroom.这个房间与那一个房间相通。d)intermsofadv.根据,按照,用...的话,在...方面;以…的观点；就…而说g)theamountof……数目anamountof相当数量的;一些alargeamountof大量h)carryout完成,实现,贯彻,执行e.g.：Ihavecarriedoutmywork.我已经完成了我的工作。i)bytheyear2020到2020年之前bythemiddleofthecentury到本世纪中叶之前bytheendofthecentury到本世纪末用心爱心专心j)millionsoftimes数以百万倍的k)link…to…（与on,to,into连用）联合，（常与together,to,with连用）连接l)suitablefor/toadj.适合...的e.g.:Thistoyisnotsuitableforyoungchildren.这个玩具不适合小小孩玩。bookssuitableforchildren适合儿童阅读的书籍Thiswineisnotsuitabletomytaste.这酒不合我的胃口。m)both…and…既...又...step5Summaryandexercisea)summary:importantphrasesb)exercise1inpage66step6homeworkcopythenewwords用心爱心专心
