unit7toyourgoodhealth教案

　　periodtwostep1。languagepointsinfact，themoreyouuseyourbody，thebetteritworks。the比较级，the比较级，意思为越越。〔例〕youpraisehim，heworks。a。theharderb。theharderc。harderd。harder（答案为b）step2。meaningthroughpractice1。pidetheclassintogroups。giveeachgroupalargepieceofpapertodrawthehumanbodyandwritethewordsanthebodyparts。asthestudentsareworking，providethefollowingwordontheboard：heart，lungs，kidney，brain，stomach，liver，artery，veins，andbones。2。explainthatovercanbeaprepositionoraprefixthatcanbeaddedtoverds，adjectivesornouns。theprefixcanmean：1。excessive2。outer，extra3。likeoverinvarioussenses。discussthemeaningofeachprefix。havethestudentswriteasentenceforeachword。explainthatunderisalsoapropositionorprefixmeaning：1。below，beneath2。lowerinstatus3。incompleteherearemoreexample：underclothes，underdog，undergraduate，underclass。4。listentothetapeanddotheex。5。let’stalk：sentencestressandrhythm。6。reviewthefollowingvocabularybeforereadingthedialogue：emphasize，deemphasize，step3。writingwriteaninvitationtoadinnerpartywithamenu。usethesampleshowninthetextasamodel。usethemappingstrategytohelpthestudentsorganizetheirideas。illustrateontheboardacirclewithlinesgoingoutfromthecircle。thecirclerepresentshowtodevelopahealthlifestyle。eachlinewillrepresentacomponentofahealthylifestyle。ingroupshavethestudentsidentifythecomponents。forexample：diet，physical，mental，socialemotional。studentswillmakeachartthathasthecomponentslistedoneachsideofthecolumns。undereachcomponentlisttheunhealthyandhealthyhabitsofparents，classmates，etc。pidetheclassintogroups。studentswillsharetheirlistofunhealthyandhealthyhabits。asagroup，thestudentsmakeadoanddon’tchart。remindthestudentstousemodalsinthisactivitybecausetheyaregivingadviceastowhatareunhealthyandhealthyhabits。forexample：youshouldrideyourbicycleeverydayyoushouldnotsmoke。step4。grammar：现在分词现在分词表示主动和进行，分词可以有自己的状语、宾语或逻辑主语等。1。分词作状语分词在句子中作状语，可以表示时间、条件、原因、结果、让步、伴随等。分词做状语时，它的逻辑主语与句子的主语一致。作状语的分词相当于一个状语从句。【例如】hearingthenews，theyalljumpedwithjoy。usingwhatyouknowofwordstemsandwordformations，youcanmakeaguessatthemeaningofanewword。thestudentswentoutoftheclassroom，laughingandtalking。accompaniedbyhisfriend，hewenttotherailwaystation。givenbetterattention，theplantscouldgrowbetter。helookedtiredanddepressed，visiblydisturbedbythenewsofhismother’sillness。分词在句子中作状语，使用何种分词，要取决于分词与句子主语的关系：主谓关系用现在分词，动宾或被动关系用过去分词。【例如】taughtbymistakesandsetbacks，wehavebecomewiserandhandledouraffairsbetter。（wearetaughtteachus）。inspiredbytheinternational，theworkingpeopleofallcountrieshavebeenfightingfortheirfinalliberation。（theworkingpeoplewereinspiredinspiretheworkingpeople）theearthtobeflat，manyfearedthatcolumbuswouldfallofftheedge。a。havingbelievedb。believingc。believedd。beingbelieved本句意思为：相信地球是平的，许多人担心哥伦布会从边上掉下去。许多人与相信之间是主谓关系，及分词与主语之间为主谓关系。因此，应用现在分词，答案为b。nomatterhowfrequently，theworksofbeethovenalwaysattractlargeaudiences。a。performingb。performedc。tobeperformedd。beingperformed本句中贝多芬的作品被反复表演，可见分词与句子的主语之间是被动关系，应该用过去分词，故答案为b。asitwasatsuchatime，hisworkattractedmuchattention。a。beingpublishedb。publishedc。publishingd。tobepublished本句中as引导的是让步状语从句，意思为：他的作品尽管在被这样的时候出版，还是引起了关注，可见分词与句子的主语之间是被动关系，应该用过去分词，故答案为b。2。while（when，once，until，if，though等连词）分词结构现在分词或过去分词作状语时，有时可以在分词前加while，when，once，although，until，if等连词。【例如】whenleavingtheairport，shewavedagainandagaintous。whilewaitingforthetrain，ihadalongtalkwithmysisteraboutherwork。。oncerecovered，hethrewhimselfintohisworkandmadeeveryefforttodoitwell。althoughworkingveryhard，hefailedtopassthefinalexam。iftranslatedwordbyword，thepassagewillbedifficulttounderstand。3。分词作定语分词作定语时，单个的分词通常放在被修饰的名词之前，分词短语一般置于所修饰的中心词后面。现在分词修饰的是发出该动作的名词（即与名词有主谓关系），过去分词修饰承受该动作的名词（即与名词是动宾关系）。【例如】wewillgoonwithourexperimentassoonaswegettheaddedfund。thisisreallyanexhaustingdaytoallofus！wecanseethepartofthemoonlightedbysunlight。afteranightspentinexcitementandsleeplessness，iforcedmyselftotakealongwalkalongthebeachthenextday。moreandmoredevelopingcountriesestablishedstrategicpartnershipwithdevelopedcountries。theyoungsittingbetweenmysisterandmybrotherismycousinjack。。asearlyas1649ohiomadeadecisionthatfree，taxsupportedschoolsmustbeestablishedineverytown50householdsormore。a。shavingsb。tohavec。tohavehadd。shavingshadtown后面由分词做定语，而且town本身有50或以上人家，故town与分词间为主谓关系，应该用现在分词，答案为a。4。分词作宾语补足语现在分词在see，watch，hear，observe，notice，feel，find，glimpse，glance等感官动词和lookat，listento等短语动词以及have，keep，get，catch，leave，set，start，send等使役动词后面与名词或代词构成复合宾语，作宾语补语的成分。5。分词作表语分词作表语通常看作形容词来用。现在分词表示主语的性质，而且主语多为物；过去分词表示主语的感受或状态，主语多为人。step5。reading1。usingthesameillustratedoutlineasusedinthefirstreading，havethestudentsreadthetextandfillintheoutlinewiththefourideasandbriefdescriptionofeachideainthistext。2。discussthetitle。isthereanyrelationshipbetweenappetiteandemotion？3。askthestudentssomequestions：1whatisanemotioneater？2doyouknowanybodywhoisanemotioneater？3dothepostreadingactivities。4。studentsneedtoprepareashortsummaryofthetexttoanswerthequestion，whatisthetextabout？havethestudentsreadthestoryandin4sentencesidentifythemainideaofthestoryansweringthe5whquestions：who，where，when，whatandwhy。