高二英语《unit 20 new frontiers lesson 3 scientific breakthroughs》教案

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1、安徽省滁州二中高二英语《Unit20NewFrontiersLesson3ScientificBreakthroughs》教案Teachingaims1.wordsandphrases：2.languagepointsinthetext3.readingstrategies4.exercisesabouttext5.vocabulary:phrasalverbsandcompoundwordsTeachingtime：Twoperiods(两课时连堂)TeachingprocessStep1Revi

2、sionReviewthenewwordsoflesson2andhaveadictionStep2learnthenewwordsoflesson31.asksomestudentstoreadthenewwordsfirstandcorrecttheirpronunciation2.playthetapeandhavethemreadafterthetape3.givethemafewminutestoreadthenewwordsfreely,tellthemiftheycan’treadth

3、ewords,encouragethemtoasktheteacher.step3reading1.discussthepicturesandtalkaboutthescientists’majordiscoveries.2.doexercise2bythemselves.3.letthestudentslookatReadingStrategiesandchecktheiranswerstoexercise1and2.4.playthetapetwice,anddoexercise4.step4l

4、anguagepoints1.inadilemma处于困境2.havesthonyourhands手头有某事待处理3.makeabreakthrough/discovery作出突破、发现4.nottomention更不用说5.rangefrom…to…在…范围内变化6.replace…with…用…代替…7.donatesth.tosb./sth.(forsb.)捐赠给(为某人捐...)n.makeadonationto向...捐助8.correspondwithsb.与某人通信correspond

5、withsth.与...一致correspondto相当于9.meanwhile=inthemeanwhile/meantime=atthesametime与此同时,在此期间adv.10.singleout挑出、选出pickout认真挑选sortout使整齐、整理;挑出11.noteven甚至连…都不12.ex-lawyern.前律师outspokenadj.直言的high-poweredadj.功率大的far-reachingadj.影响深远的double-checkv.复核/复查mass-pro

6、ducev.大批量生产13.bepreviouslythoughttobe...之前被认为是14.cn.用单数outcomeof…的结果results(比赛、考试、年度)结果,成绩,业绩15.curesb.ofsth.治愈某人的疾病；矫正某人不良的行为acurefor治疗.....的方法P25treatsb.forsth.“为某人医治，治疗”。强调治疗的动作或医治的过程，不涉及治疗的结果heal强调伤口的愈合或破裂的感情的弥合17.goout熄灭16.wrestlewithsomething努力解决

7、难以处理的事情18.bededicatedtosth.献身于，专注于19.begratefultosb.forsth.感谢某人的…20.experimentwith用/对…进行试验21.否定There'sno/little/notmuchdoubtabout/astosth/that.Sbhavenodoubtabout/asto/thatn.肯定Thereissomedoubtabout/asto/whether...Sbhavesomedoubtabout/asto/whether...v.do

8、ubt在否定句和疑问句中，后接that-从句；在肯定句中，接whether或if引导的从句。step5vocabularya加在名词前构成形容词或副词asleep睡着(的)　aside在旁边ahead向前(的)em加在名词等前构成动词embark上船　embed栽种(花等)embody体现en加在名词或形容词前构成动词encourage鼓励endanger危害enable使能够enrich充实enlarge扩大outoutclass比……等级高outnumbe