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页数:19页
时间:2019-11-25
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1、曲済冒国皈英语IROCCVmniRNATYOMALCIMLMM第一单元《动物的教育问题》99年己考过,因此以词汇为主,重点在练习Vocabulary题。第二单元《廉价货》以词汇为主,重点在练习Vocabulary题。第三单元《血液检查》以词汇、课文段落以及课后回答问题为主,重点在练习Vocabulary和Question题。一、本单元划分为四个部分:I:Whatarcbloodtestsfor?(Paras1)II:Bloodisavitalpartofyourbody?(Paras2—4)III:Functi
2、onsofbloodtests.(Paras5—12)IV:Bloodtestsarenecessarytokeepyourselfhealth.(Paras13)二、冋答问题Question:1•Whydoestheauthorsaythatyourbloodisavitalpartofyourbody?Answer:Because:1)Bloodpicksupoxygeninyourlungsandcarriesittoyourcells,whichusetheoxygentoproducecncrgy.2
3、)Bloodcarrieswastesawayfromyourcells.3)Bloodcarrieswhitebloodcellsanddisease-fightingchemicalscalledantibodiestoplaceswhereforeigninvaderssuchasbacteriaandvirusesarecausinginfections.4)Bloodcarriesfoodfromyourstomachandsmallintestinetoallpartsofyourbody.2.Wh
4、atistheuseofwhitecellsandantibodies?Theuseofwhitecellsandantibodiesistogobbleuptheinvadersandknockthemout.3.Whatisthefirststeptofindoutthebloodtype?Thefirststeptofindoutyourbloodtypeisthatthedoctorsendsyourbloodtolaboratory.Thereyourredcellsareseparatedfromt
5、heotherpartsofyourblood.4.Howcanthetechnicianfigureoutyourbloodtype?Thetechnicianmixesyourredbloodcellswithtwokindsofbloodserum.Onecontainsanti-Aantibodies,theothercontainsanti-Bantibodies.Byfindingwhichmixturecanmaketheredcellsclumptogether,hecanfigureoutth
6、ebloodtype.5.WhatisCBCusedfor?第五单元《其它行星上冇生命吗?当然冇!》以词汇、课文段落以及课后回答问题为主,璽点在练习Vocabulary和Question题。一、本单元划分为三个部分:1•Theimportanceofspacestations.2.Explorations.3.Whethertherearcotherinhabitedplanets.二、回答问题Question:1.Whyisitimportanttohavescientificstationsinspace?
7、Orbitalstationsareusedtoprovideidealconditionsforobservingstarsobjectsinspace・2.Whydoestheauthorsaythatnonewgalaxyarethoughttoexist?Becausenearlyallthegalaxieswerebornatthesametime,whentheuniversewasconstituted15billion(light)yearsago.3.Accordingtotheauthorw
8、hatkindofconditionisneededtoobservethebirthofstars?Toobservethebirthofagalaxythathappenedsolongago,1)youhavetoseeaverylongway.2)youneedtohaveorbitalstationstoprovideidealconditionstoobserve・4.Ex
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