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选择 I think ______ is ______ great fun.A.play the cards,a B.play cards,/ C.playing the car选择I think _______ is _______ great fun.A.play
英语
the cards,a B.
8.When I came into the room,he____on the bed.A.lays B.lies C.was laying D.was lying9.He often plays football in _____spare time.A.a B.
英语
he C.his D./ 1
被动句如何改we often sing this song.he broke his leg in the match.she will sell her house soon.h
英语
月球含有H、He、N、Na、Mg、Si等元素，是人类未来的资源宝库．（1）Na+结构示意图，Na在氧气中完全燃烧所得产物的电子式（2）足量的Mg在一定量的空气燃烧，发生反应的化学方程式为：
化学
的离子方程式为___（4）M
在四边形ABCD中E,F,G,H分别是AB,BC,CD,DA的中点,顺次连接EF,FG,GH,HE.判断四边形EFGH的形状
数学
数学几何题```急ING```在线等待ING```在△ABC中,∠A=60度,高BD,CE交于点H,HD=3,HE=4.求BD,CE的长.
数学
John Pentanol was appointed as risk manager at H&Z Company a year ago and he decided t
John Pentanol was appointed as risk manager at H&Z Company a year ago and he decided that his first task was to examine the risks that faced the comp
Not until he left his home ________to know how important the family was for him.A.did h
Not until he left his home ________ to know how important the family was for him.A.did he begiaB.ead he beansC.he beganD.he has began
按题意写出与括号同类词1.TomisMike's(aunt's)son.MikeisTom's2.Themouthhasabig(nose)andsharp.3.(Firefighters)areisthefirestation,areinthepostoffice.
英语
ion,___are in
如图，△ABC中，AG⊥BC于点G，分别以AB、AC为一边向△ABC外作矩形ABME和矩形ACNF，射线GA交EF于点H．若AB=kAE，AC=kAF，试探究HE与HF之间的数量关系，并说明理由．
数学
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