最新北师大高中英语选修Unit21-Lesson1-super-athletes课件PPT.ppt

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1、北师大高中英语选修Unit21-Lesson1-super-athletesLead-inDothequestionnairewithyourpartner!DoYouLookAfterYourself?1.Howmanyhoursdoyousleeppernight?under6hoursb)about7or8hoursc)morethan9hours2.Howoftendoyoucleanyourteeth?onceadayb)twiceadayc)aftereverymeal2.learnandrevisewordsrelatedtoth

2、etopic.3.getthegeneralideaofthetextandthewriter’sviewpoints.Inthisperiod,wewillbeableto1.knowtheunitobjectives.Objectiveskidneyn.肾livern.肝脏brainn.大脑circulatev.循环Forexample：pumpvi.用泵抽出（注入）mineraln.矿物n.听觉n.间隔；间歇n.脉搏vt.消化vi.交换intervaldigestswaphearingpulseReadthewords,thenm

3、atchthewordswiththeirChinesemeanings.Findsixtolabelthepartsofthebodyinthediagram.KeyWordsliverbrainlungsstomachheartkidney100metresin8seconds?Lesson1SuperAthletesReviewenhance忍受supreme反对tolerate超级的compulsory违背oppose滥用contradict增进，改善abuse强制的Whichchampionathletedoyouthinkcanru

4、n100metersin8seconds?Isitpossibleforyou?MauriceGreene第一位同时拥有50米、60米和100米3项世界记的男选手。FloydLandis2006年环法自行车赛冠军,第三位获此殊荣的美国人MarionJones2000年悉尼奥运会女子100米、200米、4x400米接力冠军FlorenceGriffith奥运短跑三项金牌得主，同时也是100米及200米短跑的世界纪录保持人BenJohnson汉城奥运会以惊人成绩打破男子百米世界纪录并夺得金牌SuperAthletesdopingn.服用兴奋剂gen

5、e-therapy基因疗法dashn.短跑marathonn.马拉松赛跑WhatistheOlympicspirit?Isitgoodforathletestocheatinthecompetition?FastReadingWhatisthegeneralideaofthepassage?TheathleteswhotookpartinthefirstOlympicGamesarenotasfastasathletestoday.B.Dopingisahugeprobleminthesportingworld.C.Thepresentandf

6、utureofthesportingworldisbeingseriouslyandnegativelyaffectedbydopingandgene-therapy.D.BenJohnson,FlorenceGriffithandFloydLandishaveallshockedtheworldbytheirspeed.NowpleasereadPara.1&2andfindout:Whatreasonsmadeathletes’performancesimprove?Howaretheirperformancesrecently?Itisd

7、uetobetterequipment,traininganddiet.Recently,athletes’improvementshavebeguntoslowdown.DetailedreadingDopingInordertoenhancetheirperformances,theyuseGene-therapyReadthetextagain,matchthekeyinformationwitheachpart.RecordshavefallenDopingGene-therapyOlympicspiritPartone.(1-2)Pa

8、rttwo.(3-6)Partthree.(7)Partfour.(8)SummaryBecauseofbetterequipment,trainin