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海淀一模---What happened to Bill---He _____ really fast when suddenly he ran headfirst into a parked . had run B. was running C. has run D. has been running---How was your holiday--
1. My friend Chelsea and her husband are now at work on a new dictionary ______ next . to publishB. being publishedC. publishedD. to be published2. —Wheres your homework —______.A. Its been handed
丰台22. Tom and Mike are good friends._______often help each other.A.They B.Them C. Their D.Theirs23. Both my parents were born ______ . at B. in C. on D. to24. Hurry u
(2012年西城一模)22.(16分)如图所示一质量M=2.0kg的长木板AB静止在水平面上木板的左侧固定一半径R=0.60m的四分之一圆弧形轨道轨道末端的切线水平轨道与木板靠在一起且末端高度与木板高度相同现在将质量m=1.0kg的小铁块(可视为质点)从弧形轨道顶端由静止释放小铁块到达轨道底端时的速度v0=3.0ms最终小铁块和长木板达到共同速度忽略长木板与地面间的摩擦取重力加速度g=10m
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(2012昌平一模)四选择填空 (共13分每小题1分) 从下列各题所给的ABCD四个选项中选择可以填入空白处的最佳选项22. Yao Ming is my favorite star. Do you like _________ A.?she? B. herC. heD. him 23. Daming is in the hospital ________ his fathe
2012年北京各区二模数学卷一分类汇编集合逻辑用语(海2)已知命题:.则是(A) (B)(C)(D)(西1)已知集合其中.若则的取值范围是( )(A)(B)(C)(D)(西4)已知向量其中.则是的( )(A)充分而不必要条件(B)必要而不充分条件(C)充要条件(D)既不充分又不必要条件(东1)下列命题中真命题是(A) (B) (C) (
2012北京市高三英语单选汇编:东城二模21. The boy is excited about theing music festival and he enjoys pop music ______.A. lessB. littleC. mostD. more 22. Before moving to Australia the Browns______ their cars a
2012北京市高三英语单选汇编:西城二模21. I have watched you two for the past ten minutes and ___ of you has done any work in that . neitherB. eitherC. noneD. both22. --Do you think he will send you a card -- Yes if
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