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1、Module5ALessoninaLab教案duleALessninaLab教案Perid1Intrdutin≈VabularandSpeaingTeahingais:1Tintrduesegeneralsiene2Tlearnserdsrelatedtthetheefthisdule3Tdevelpspeaingabilitbpratiingsaingthenubers,espeiallthefratinsIprtantanddiffiultpints:1Arusethestudents’interestsan
2、dlveinsiene2Enablethestudentstunderstandseeleentsabuttheheistrlab3aethestudentsnhtreadthenubersTeahingpredures:IntrdutinAtivit1TheaiftheativitistasthestudentstfinishthequizabutgeneralsienetarusetheirinterestinsieneTheativitanbedneasflls:Firstl,asthestudentstgthr
3、ughthefllingthequizandaetheirhientheirnQuiz:Huhdunabutgeneralsiene?1aterexists__________(a)asaslid,aliquidandagas(b)asaslidandaliquidnl2henuheataetal,itill___________(a)expand(b)ntrat3Steelisixturef_____________(a)irnandthersubstanes(b)irnandxgen4_______________
4、ftheearth’ssurfaeisater(a)T-thirds(b)0%Thedistanefthesunfrtheearthis______________ileters(a)2,00(b)10,00,006Theearthis46______________earsld(a)illin(b)billin7Theearthis______________then(a)tieaslargeas(b)frt-ninetieslargerthanThenputthestudentsinpairstparetheira
5、nsersandallbatheansersfrthelassFinallasthetlistentthetapeabuttheabvequizandhetheiransersAnsers:1a;2a;3a4a;b;6b;7bAtivities2≈3TheteaheranprepareseardsabutdifferentthingsfrthelassatfirstBefreshingthestudentstheards,theteaheransatthehlelass:Thingsanbedividedintt
6、hreeinds,natural,an-ade,andeithernaturalran-ade,nI’llshuseardsinhand,anutellehiharenatural,an-aderbth?Afterthis,theteaheranntinuetsatthehlethelass:anugiveseexaples?ThendividethehlelassinttbiggrupstpeteTheteaheranastheSstspeautasanexaplesaspssibleandritedntherdsi
7、nthetablentheblabardasflls:NaturalEg:d,------an-adeEg:glass,------Eithernaturalran-adeEg:ater,------Finall,astheSstpentheirbsatPage41andreadtherdsinthebxaludIfpssible,theanluptherdstnhattheeanfurse,theabvepetitinillntinue,thatistsa,atthisent,theteaheranastheSstp
8、uttherdsinthebxnPage41intheirbsintheabvetableVabularandSpeaingAtivit1TheaiftheativitisthavethestudentsnhtreadthelngnubersStheativitanbedneliethis:Befredealingiththeat
