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教案备课库《初三年级化学大练习(九)》真题及答案
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如图已知AB∥CD∥EFGC⊥CF∠ABC=65°∠EFC=40°求∠BCG的度数
用三角尺画角平分线如图∠AOB是一个任意角在边OAOB上分别取OM=ON再分别过MN作OAOB的垂线交点为P画射线OP则这条射线即为角平分线请解释这种做法的道理.
如图在△ABC中∠C=90°若BD∥AE∠DBC=20°则∠CAE的度数是
I'lltellyou. A.importantsomething B.importantsomethings C.somethingsimportant D.somethingimportant
如图如果AD∥BC那么可以推出哪些结论把可推出的结论都写出来
如图已知在直角梯形ABCD中AB∥CDAB⊥BCE为BC中点连接AEDEDE平分∠ADC求证AE平分∠BAD
Ithinkpeopleherearefriendly.Doyouagreeme?A. with B. toC. on D. from
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NextSaturdayFranktoJapanagain.Hetheretwoweeksago. A.willgo;goes B.went;willgo C.willgo;went D.willgo;go
—Doyouthinkaconcertinourschoolhallthisweekend?—Yestherewill.A.therewillhaveB.therewillbeC.willtherebe D.willtherehave
Manuelalwaystalks butdoes.Soeveryonelikeshim.A.fewlittle B.littlemuch C.lessmore D.moreless
IthinkIwilltakea inHongKongwhenpossible.
Heseemed know everything.
Theremorestudentsinourschoolnextterm.A.willhave B.isgoingtohaveC.willbe D.is
Pleasepassmetwo.A.piecesofpaper B.piecesofpapersC.piecespaper D.piecepapers
Ican'tbelieveit.Itispossibleforhertoworkoutthismathprobleminonlytwominutes.
Couldyoutellme? A.we'llleave B.whenshallweleave C.we'llleavewhen D.whenwe'llleave
Childrencanstudyhomecomputers. A.at;on B.in;on C.at;to D.on;with
Chinesehassentmannedspaceshipsuccessfully.
—Doyoulikethecitylifeorthecountrylife?一It'shardtosay.Inthecitythereis interestingbutinthecountrythereis pollution.A.less;more B.more;lessC.more;fewer D.much;much
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如图所示直线AB∥CD∠BAE=28°∠DCE=50°则∠AEC=.
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如图所示AB∥CD直线EF分别交ABCD于EF两点若∠FEB=110°则∠EFD等于
如图1说出∠1与∠2互为什么角2写出与∠1成同位角的角3写出与∠1成同旁内角的角
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如图P是∠AOB内一点PD⊥OBPE⊥OA垂足分别为DE连结OP且OE=OD求证∠AOP=∠BOP.
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