英语北师大版选修7-Unit21-Lesson-1《Super-Athletes》课件.ppt

《英语北师大版选修7-Unit21-Lesson-1《Super-Athletes》课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、ChewingGumDiscussinpairsandanswerthefollowingquestions.1.Whatdoyouthinkofchewinggum?Isitgoodorbadforyou?2.Doyouoryourfriends/familybuyit?Why?3.Whatdoyoudoafterchewingit?Lookatthetitleofthemagazinearticleandpredictwhichissuesmaybecoveredinthearticle.Thenreadthearticlequicklyandseeifanyofyourguess

2、esareright?Itisaboutwhetherchewinggumisgoodorbadforyou.Readthetextquicklyanddivideitintofourparts,thensummarizethemaintopicofeachpart.Part1(paragrah---)Part2(paragraph---)Part3(paragraph---)Part4(paragraph---)IntroductionBenefitsofchewinggumThenegativesideofchewinggumBetteractivitiesthanchewingg

3、um11245788Readthearticleagainandcompletethetable!AdvantageDisadvantageHelpingpeople:1._________badbreath2.____________toothdecay3._______weight4.__________smoke1.makingdigestions__________________2.Causingfeelingsof__________________3.Leadingto_______________________4.Makingpeopleneglect________

4、__________________________fightprevent/stoplosegiveupmoredifficultstomachsicknessbrushingtheirteethsicknessorheadachesHowseriousistheproblemofbadbreath?Whatisaddedtosugar-freechewinggumwhichmayhelppreventtoothproblems?Accordingtooneresearchproject,whatisonewayofburning70kilocalories?Whatwouldbet

5、heeffectonthestomachofconstantchewing?Whatotheractivitiesarestatedthatarebetterthanchewinggum?Ask&AnswerMatchtheconditionalsentencesinitalicsinthetextwiththefollowingtypes:zeroconditional1stconditional2ndconditional3rdconditionalGrammarWhichofthesentencesinitalicstalkaboutthepast,thepresentandth

6、efuture?Readthesentences.Dotheydescribesituationsthatare:Trueorcouldpossiblyhappen?Imaginary,unrealorcontrarytofacts?Ifhehastime,hewillcome.Wewon’tsucceedunlessweplanwell.(unless=if---not)从句用一般现在时或现在完成时，主句用一般将来时IfIwereamillionaire,Iwouldbuyabighouse.IfIwerethegirlinthestory,Iwouldcallthepoliceat

7、once.TomorrowIwillgotoUSA.IfIwereinChina,Iwouldmakedumplingswithyou.表示与现在或将来事实相反从句主句过去式would+V原Iwasonmyownyesterday.Iftheyhadinvitedme,Iwouldhavegonetotheparty.Iwenttolibraryyesterday.IfIhadwenttotheconcert,Iwouldhavetakenph