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随堂演练及时体验巩固提升Ⅰ.用适当的介词、副词填空1．Goodmeasuresmustbetakenbythegovernmenttostopsomecompanies________harmingtheenvironment.答案from2．Atthattimelifewasnotknown________scientists.答案to3．Theoriginoflife________earthisaquestionthatinterestsastronomers.答案on4．Atthesoundofthegun,thebirdsflew________alldirections.答案in5．Thoughtheywerebusy,theycametothemeeting________time.答案in6．Waterandairarefundamental________life,ifmanwantstokeepalive.答案to7．Thepresence________ourmonitormadeitdifficulttomakeadecision.答案of8．Hissistergavebirth________ababyinhospitalyesterday.答案to9．Icomehere________thefirsttime,soIdon'tknowthecityatall.答案for10．Tadpoles(蝌蚪)finallygrow________frogs.答案intoⅡ.完成句子1.________________________________(不像他一贯的作风)tobesolate.(unlike)答案It'sveryunlikehim2.Itwastheheavyrainthat________________________________________________________________(阻挡他按时到校)．(prevent)答案preventedhimfromcomingtoschoolontime3.________________________________(据今天的报纸报道)thefineweatherwillkeepupforafewdays.(according)答案Accordingtotoday'spaper4.Marydiedshortlyafter________________________________________________________(生下一个健康女婴).(give)答案givingbirthtoahealthybabygirl5.________________________(轮到你)torecitethedialogue.(turn)答案It'syourturn