unit 21 lesson 1,2 power学案

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1、Unit21WarmUpandLesson1SuperAthletes学案Period1【课前导学】(Whenmeetingwithdifficulties,youshouldlearntoconsultyourdictionary.)WordBank1.循环v._________血液循环n.___________2.pumpvi__________pumpn.________3.消化v_______n._______Readers’Digest______________digestion_________4.minen_________v_

2、_______miner__________mineral_________5.abuse_______abnormal_________6.义务的，必须的.___________.义务教育____________.必修课程____________7.基本的___________基本地__________8寻找_______,过去式________,过去分词_______9.controversial____________10.contradict__________11marathon________12.容忍v._________容忍，忍

3、受n.__________可容忍的，可忍受的adj___________13.违反v.__________n.___________14.supreme_____________supremacy___________15.每年的，年度的___________16.交换vi_________17.反对__________PhraseBank1.不论多大代价，不论怎样____________2.白费力气____________3.田径场__________4.随便地，随意地___________5.偶然遇见______________6.年复一年

4、_______________7.由于_________8.成功赶到……_______________9.破世界纪录_____________10.气喘吁吁__________11.或多或少，大约__________12.沉默地，默不作声_____________13.（机械、场所）在使用中__________14.促成，导致___________15.当场抓住某人在做某事____________【课文理解】（Readingcanenrichourmind.Readmoreandyou’llgainmore.）【CarefulReading】I

5、.1)Whatisthegeneralidea?A.TheathleteswhotookpartinthefirstOlympicGamesarenotasfastasathletestoday.B.Dopingisahugeprobleminthesportingworld.C.Thepresentandfutureofthesportingworldisbeingseriouslyandnegativelyaffectedbydopingandgene-therapy.D.BenJohnson,FlorenceGriffithandFloy

6、dLandishaveallshockedtheworldbytheirspeed.2)WhichofthefollowingisNOTtrueaccordingtothetext?A.Drugshavesideeffectsonhealth.B.Newdrugsaredevelopedallthetime.C.Sometimesitisdifficulttotestwhetheranathletehastakendrugs.D.Eachathletemustreceiveanti-dopingcheck.3)Whichofthefollowi

7、ngisNOTtrueaboutgene-therapy?A.It’smuchhardertocatchathleteswhohaveusedgene-therapy.B.Scientistshavefoundthatgene-therapycandamageanathlete’sliver.C.Ifathletesusegene-therapy,wewillseeworldrecordsbeingbeatenlikeneverbefore.14D.Usinggene-therapytodobetterinsportsisalsocheatin

8、gliketakingdrugs.II.Decidewhetherthestatementsaretrue(T)orFalse(F).1)Taking