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页数:12页
时间:2019-06-24
《21世纪大学实用英语综合教程 第二册 Unit 8》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、教案授课单元Unit8Book2本(章)节授课方式课堂讲授(√)实践课()教学时数6授课要点本(章)节教学目标1.masterthebasiclanguageandskillsnecessarytoaskforandgivereasons;2.understandthemainideasofTextA,TextBandTextC,andmastertheusefulsentencestructuresandwordsandexpressionsfoundintheexercisesrelevanttothefirs
2、ttwotexts3.knowhowtousetheinvertedorder4.knowhowtowriteanemail5.understandparagraphdevelopment教学重点和难点IntheListeningandSpeakingsection,learnhowtoaskforandgivereasons.IntheReadingandWritingsection,readthreepassagesaboutscienceandtechnology.TextAwaswrittenatthetu
3、rnofthe21stcenturyandthewriterpredictedthetopfivescientificdevelopmentsofthecomingcentury.TextBconcernsissuesofsafetythatmustbeguaranteedwhenthefrontierofscienceandtechnologyisbeingpushedback.TextCdealswiththeissueofrecycling.思考题或作业1.Whatdoyouthinkofthewriter’
4、spredictionsaboutthe21stcentury?Useyourimaginationtodiscusspeople’slivesinthefuturewhenthewriter’spredictionsmaycometrue.2.Canyouaddmorepredictionstothoseofthewriter?Makeyourownpredictionstoyourclassmatesandseeifanyofthemcoincideswith(与…不谋而合)yourclassmates.教学内
5、容与组织安排1stperiodTextA(GlobalReading)2ndperiodTextA(DetailedReading)3rdperiodGrammarReview4thperiodPracticalWriting5thperiodTextB6thperiodImproveYourReadingSkills12Part1TextAStudyBackgroundknowledge1)JamesTrefilAsanaward-winningauthorandphysicist,JamesTrefilhasw
6、rittenmorethan25booksonarangeofsciencetopics.He’sacontributortoNationalPublicRadioandSmithsonianMagazine,andaphysicsprofessoratVirginia’sGeorgeMasonUniversity,U.S.A.The20thcenturyproducedscientificandtechnologicalchangeatadizzyingpace-greaterthaninanyothercent
7、uryinhistory.Butthe21stcentury,thedawnofthenewmillennium,maywellseeevenmoredramaticchangedrivenbyadvancesinscienceandtechnology.Onthesepagesaremypredictionsforthetopscientificdevelopmentswe’llseeinthenext100years,intheorderIthinkthey’llhappen.2)ModernScience(2
8、0thcentury)a.GeneticsAtthebeginningofthe20thcentury,thelifesciencesenteredaperiodofrapidprogress.Mendel’sworkingeneticswasrediscoveredin1900,andby1910biologistshadbecomeconvincedth
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