英语:选修7-Unit21-Human-Biology-lesson1-Super-Athletes课件(北师大版)

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1、SuperAthletesUnit21Lesson1-1100metresin8secondsReading&VocabularyInthisperiodyouwillableto1.practisegettingthegeneralideainfastreading2.identifythemainideasoftheparagraphs3.findandorganizespecificinationinthetext4.practisetalkingbrieflyaboutthetext5.learnsomenewwordsandphrases.1.Readthetextquickly.W

2、hatisthegeneralideaa)TheathleteswhotookpartinthefirstOlympicGamesarenotasfastasathletestoday.b)Dopingisahugeprobleminthesportingworld.c)Thepresentandfutureofthesportingworldisbeingseriouslyandnegativelyaffectedbydopingandgene-therapy.d)BenJohnsonFlorenceGriffithandFloydLandishaveallshockedtheworldby

3、theirspeed.Task1FastReadingdopinginsportsWordBankGeneWordBanktherapy-treatmentGenetherapyistheintroductionofgeneticmaterialintocellsedicalpurposes.Task1FastReading2.Findoutmainideastoeachpart.Paragraphs1-2.Paragraphs3-7.Paragraphs8_.RecordshavefallenDopingandgene-therapyOlympicspiritTask2CarefulRead

4、ing1.Decidethefollowingsentences“TrueorFalse”1)Asathleticperanceshavecontinuallyimprovedrecordshaverisen.2)BenJohnsonwasstillbethe100metersworldrecordholderbecausehehadtakendrugsinthe1988Olympics.FF3)Dopingcanhelpathletesenhancetheirperancehoweverthedrugsalsocauseserioushealthproblemsinlaterlifefort

5、hosewhoabusethem.4)Dopingisonlyaprobleminathletics.5)TheOlympicspiritofcompetitionemphasizeswinningratherthantakingpart.Task2CarefulreadingTFFWordBankChinaplanstoenhancethepublicsawarenessofenvironmentalprotection.Physicalactivitiescan_ourmemoryabilityandsleepquality.enhanceWordBankabuseanimalsabuse

6、childrenabusedrugsTask2Carefulreading2.Answerthefollowingquestions.1)Whatreasonsaregivenforimprovedperance(para.2)Betterequipmenttraininganddiet.Task2Carefulreading2)Whatisdopingandwhyisitillegal(Paras3-4)_(whichareoriginallydevelopedto_butinthewronghandstheycanmakeathletes_)isknownas“doping”.Itisil

7、legalbecause_.Takingthedrugshelppeoplewithillnessesfasterandstrongeritisafundamentalofcheating3)Whatwouldtheeffectofgene-therapybeonsport(Para.7)Task2CarefulreadingItwouldcreatesuperathleteswhomightbeableto_.Thiswouldcontradict_.dothe100metresdashinjust8secondsorthemarathoninlessthantwohoursthewhole

8、spiritofsport4)WhyaredrugtestsatsportingeventsoftenonestepbehindTask2CarefulreadingDrugtestsareonlydevelopedafterthenewdrugsarebeingused.3.Readthetextonemoretimeandfillinthefollowingblanks.Task2CarefulreadingTwothingstoworryaboutDopingThesportsworlddoesnttolerate_asitisafundamentalofcheating_Dopingi

9、saproblemin_ItisnoteasytocatchathletesusingillegaldrugsGene-therapywasoriginallyfor_Ifgene-therapywereuseditwouldbealmostimpossibleto_Bothdopingandgene-therapyviolate_Gene-therapydopingathleticsmedicalpurposesfindouttheOlympicspirittolerateWordBankputupwithsomethingorsomebodyunpleasantThisisveryinte

10、restingChinesecharactertheupperpartofthischaractermeansKnifethelowerpartmeansHeart.Howbadtheconditioniswhenthereisaknifeaboveyourheartbutyoustillneedtotolerate.Clothingfoodhousingandtransportationareourfundamentalneeds.Inthelastfewyears.Ourlifehavehadfundamentalchanges.WordBankThedriverviolatedTraff

11、icLaw.WordBankWordBankdopingGene-therapyenhanceabusetoleratefundamentalviolatedBeijingOlympicsorganizerssignedanagreementon_examinationdopingWordBankWordBankWe_landbecausewethinkitbelongstous.abuseWeshallnot_suchrubbish.tolerateWordBankWordBankInthelasttenyearsIThasbrought_changestoChina.fundamental

12、Ifsomeone_lawheshewillgetpunished.violatesWordBankTask4ConsolidationAccordingtoTask2Ex.3talkbrieflyaboutthetext.1.Rememberthenewwords.2.Readthetext.HowkormeBenJohnsonborninJamaicaisaCanadianerathletewinningtwoOlympicBronzemedalsandanOlympicGold.Heset100mworldrecordsatthe1987WorldChampionshipsinAthle

13、ticsandthe1988SummerOlympicsbuthewasdisqualifiedfordopinglosingtheOlympictitleandbothrecords.MauriceGreenenowretiredisanAmericaner100meterathletewhoholdsseveralworldrecordsandOlympicmedals.Hewasaerworldrecordholderforthe100meterswithatimeof9.79seconds.MarionJonesisanAmericanerworldchampiontrackandfi

14、eldathlete.Shewonfivemedalsatthe2000SummerOlympicsinSydneybuthaslostallmedalsandprizesafteradmittingthatshetookperance-enhancingdrugs.SheannouncedherretirementfromtrackandfieldonOctober52007.FloydLandisontheTourdeFranceJuly232006.FloydLandisisanAmericancyclistfromCalifornia.Heisanall-aroundriderwith

15、specialskillsinclimbingandtime-trialing.Hewonthe2006TourdeFranceIn2006.HewasstrippedofhisTourdeFrancevictoryandfiredfromthePhonakteamafteradrug-controltest.Hehasreceivedatwo-yearbanfordoping.FlorenceGriffithwasanAmericantrackandfieldathlete.ShewasborninLosAngelesDuringthelate1980sshebecameapopularfigureininternationaltrackandfieldduetoherrecord-settingperancesandflashypersonalstyle.Sheholdstheworldrecordsinthe100mand200mraces.“Ouryouthnowloveluxury.Theyhavebadmannerscontemptforauthoritytheyshowdisr

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