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1.ihavemadenoarrengementstodealwithsuchcases.a.itappearthatb.itappearsthatc.thatappearsd.theyappearthat2.theyreachedox
fo
rd,theystoppedt
英语
y reached oxfo
Nowourenvironmentisbecomingworseandworse.Everyonewantstolivehealthily.Hereissomein
fo
rmationaboutwhatourlifewillbelikeintenyears.Carswil
英语
like in ten y
Aturtle（海龟）familywentonapicnic.Theturtlesbeing46slowaboutthingstooksevenyearstoprepare
fo
rtheir47Finallytheturtlefamilystartedthetripand
英语
Finally the
.完形填空（共20小题，每小题1.5分，满分30分）ManyyoungpeopleintheUnitedStatesneverfinishhighschool.Exactlyhowmanydropoutisanotherissue.Recentstudiesof36ra
英语
issue. Recent
What'sthefurthestyouhaveevercycled?Perhapsyoucycletoschoolortoworkormaybeatmostashortcyclingtripwithfriends?Howwouldyoufeelaboutspendin
英语
ow would you f
What'sthefurthestyouhaveevercycled?Perhapsyoucycletoschoolortoworkormaybeatmostashortcyclingtripwithfriends?Howwouldyoufeelaboutspendin
英语
ow would you f
Doyouhaveasoccerball?FrankBrown:Idon'thaveasoccerball,butmybrotherAlandoes.Wegotothesameschoolandwelovesoccer.Weplayitatschoolwithourfr
英语
e play it at s
Choosethebestanswer.()1)Theyalwaysabustothecinemaatweekends.a,byb,onc,seed,take()2)Mumalwaysbuyssomecakeshome.a,onherwaytob,inherwaytoc
英语
_ home.a,on he
三角形中点O是AB边上的一个动点多点O作直线MN平行BC设MN交∠ABC的平分线于点E,交∠ABC的外角平分线于点FEO=FO当O运动到何处,四边形AEBF为矩形
数学
如图所示,在△ABC中,点O是AB边上的一个动点,过点O作直线MN∥BC,设直线MN交∠ABC的外角平分线于点F.（1）求证：EO=FO(2)当点O运动到何处时,四边形AEBF是矩形?请证明你的结论如图所示，在△ABC中
数学
，设直线MN交∠ABC的平分
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