谁能告诉我这题为何选的C而不选D或B?甲乙两人进行滑冰表演,在表演刚开始时他们静止不动,音乐响后甲乙相互猛推一下后两人分别向相反方向运动假如两人的冰刀与冰面的摩擦因数相同,已知

谁能告诉我这题为何选的C而不选D或B?甲乙两人进行滑冰表演,在表演刚开始时他们静止不动,音乐响后甲乙相互猛推一下后两人分别向相反方向运动假如两人的冰刀与冰面的摩擦因数相同,已知 谁能告诉我这些题为什么这样做?1、The speech by the mayor of Shanghai before the final voting for EXPO 2010 is strongly impressed (D) my memory.A.to B.over C.by D.on这题为何选D而不选C?2、Everybody present smiled.Sally spoke Engl 谁能告诉我这题为何选的B?My suggestion was that the party (B) off till next Saturday.A.to put B.be put C.should put D.would be put 谁能告诉我此题为何选的C?My father made me a promise( )I got a good mark he would buy me a present.A.that B.which C.that if D.if 这题为什么要选c 而不选d 谁能告诉我这题为何选A?He had no time to rush into the room to save his baby(A)the house fell down.A.before B.as C.after D.until (A) 5 He ___ there many times. A. has been B. went C. has been to D. has gone 这题为什么选A这题为何选A不选C.能回答出来我给加分! 请问第8题为何选C不选D? 第九题为何选C不选D 最下面一道题为何选D不选B? 第二题为何选C不选B? 谁能告诉我这题为何选的c?The enemy had mo choice but( ) their arm and ( ).A.lie down;give in B.lay down;gave in C.to lay down;give in D.to lie down;to give in 这题为何选D? 这题为何选C 第七题为什么选D而不选C? 第一题为什么不选C而选D 第一题为什么选c而不选d? 第78题为什么选D而不选C