高中英语 Unit21 Lesson1P1课件 北师大版选修7.ppt

warm up lead in objectives questionnaire newwords diagramofthebody listening lesson1 lead in newwords theolympicspirit fastreading furtherunderstanding homework 教学流程图 lead in dothequestionnairewithyourpartner doyoulookafteryourself 1 howmanyhoursdoyousleeppernight under6hoursb about7or8hoursc morethan9hours2 howoftendoyoucleanyourteeth onceadayb twiceadayc aftereverymeal 3 howoftendoyoudophysicalexercise enoughtomakeyououtofbreath neverb onceaweekc twoorthreetimesaweek4 howoftendoyoueatsweetsorchocolate neverb sometimesc everyday5 howmanypiecesoffreshfruitsdoyoueatperday a oneortwob morethantwoc none checkyouranswerstothequestionnaire 1 a youprobablyaren tgettingenoughsleep b 7or8hourspernightissufficientformostpeople c youareasleepyhead aren tyou 2 a onceadayisnotenough b onceinthemorningandonceatnightisprobablyok c verygood dentistsrecommendcleaningteethaftereverymeal 3 a youshouldtakeupsomekindofsport b good onceaweekisbetterthannever c excellent youmustbeveryfit 4 a welldone youprobablysavelotsofmoneyondentistbills b well everynowandthenisok c youshouldcutdown 5 a good astheysay anappleadaykeepsthedoctoraway b verygood doctorsrecommendseveralpiecesoffruitperday c youreallyshouldtrytoeatmorefreshfruit 2 learnandrevisewordsrelatedtothetopic 3 getthegeneralideaofthetextandthewriter sviewpoints inthisperiod wewillbeableto 1 knowtheunitobjectives kidneyn 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 intervaldigestswaphearingpulse readthewords thenmatchthewordswiththeirchinesemeanings findsixtolabelthepartsofthebodyinthediagram keywords liver brain lungs stomach heart kidney exercise2 page33 lookatthefollowingstatementsanddecidewhichpartofthebodyisdescribed ankle brain eye heart kidney bone knee liver lungs muscle ribs spine stomach wrist fingers keywords thebody thisorganweighsaboutakiloandismadeupoftwosides itislikeasupercomputerthatprocessesinformation thisorganislikeabagwhichreeiveseverythingyoueat itdigestsyourfoodandsendsvitaminsandmineralsintotheblood brain stomach thisorganbeatsatregularintervals100 000timesaday witheachbeat itcirculats80mlofbloodthroughthebody that s8 000litresofbloodperday itpumpsbloodintothelungs whereitreceivesoxygen beforebeingpumpedaroundtherestofthebody heart thisisaverydelicateorgan therearetwoinabodyandtheyhavedelicatelidswhichprotectthem lightentersandreachesspeciallightsensitivecells theseworklikeacameraandfinallysendsignalstothebrain eyes theseorgansabsorboxygenandgetridofcarbondioxide theyarefoundoneithersideoftheheart theyreceiveairasaresultofbreathingandwhenbloodpassesthrough theygiveitoxygen lungs 100metresin8seconds lesson1superathletes whichchampionathletedoyouthinkcanrun100metersin8seconds 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 superathletes dopingn 服用兴奋剂 gene therapy基因疗法 dashn 短跑 marathonn 马拉松赛跑 enhancesupremetoleratedoubtfulseekannual increasestand bearhighest greatestyearlydonotbelieve suspiciouslookfor matchthewordswiththeirmeanings abusevt 滥用 theythetrustthecompanyhadshowninthem thebossisveryangry 滥用 abused used choosethecorrectword violatevt 违反 违背 dodopingandgene therapytheolympicspirit violate violet choosethecorrectword 违背 fundamentaladj 根本的 基本的 dopingisaformofcheating fundamental 根本的 abuse violate choosethecorrectword controversialadj 有争议的opposevt 反对 gene therapyisveryandmanypeoplefurtherresearchintoit 有争议的 反对 controversial oppose choosethecorrectword whatistheolympicspirit isitgoodforathletestocheatinthecompetition fastreading whatisthegeneralideaofthepassage theathleteswhotookpartinthefirstolympicgamesarenotasfastasathletestoday b dopingisahugeprobleminthesportingworld c thepresentandfutureofthesportingworldisbeingseriouslyandnegativelyaffectedbydopingandgene therapy d benjohnson florencegriffithandfloydlandishaveallshockedtheworldbytheirspeed readthetextagain matchthekeyinformationwitheachpart recordshavefallen doping gene therapy olympicspirit partone 1 2 parttwo 3 6 partthree 7 partfour 8 comeacrosstheissue drug curedisease inthewronghands abuse toleratedoping gene therapy bigthreat oppose violatetheolympicspirit takingpartratherthanwinning 1 showthewriter sattitudetowardsthedrugsandgene therapy youmayrefertothefollowingwordsandexpressionsorthetext 2 useyourownwordstoshowthewriter sviewpoints a whichchampionathletecanrun100metresin8seconds b idon tknow butwecomeacrosstheissue enhancingdrugs thesedrugsaredevelopedtohelppeoplewithillnesses butinthewronghands theycreate supremeathletes a takingthesedrugsisknownas doping theycauseproblemsforthosewhoabusethem b thesportsworlddoesnottoleratedopingasitisafundamentalformofcheating a yes gene therapy willbethenextbigthreat itiscontroversialandmanypeopleopposefurtherresearch