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【单选题】
下列关于消除反应历程,叙述错误的是( )A.
叔卤代烃易发生单分子消除反应（E1），有顺反构型时，主要得到Z构型产物
B.
由于单分子消除反应（E1）有碳正离子中间体生成，所以消除产物可能有重排产物
C.
双分子消除反应历程（E2）一步完成，没有碳正离子生成
D.
双分子消除反应历程（E2）要求H-C-C-X处于反式同平面
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【单选题】A friend is someone ______ says, “What! You too? I thought I was the only one!”
A.
who
B.
which
C.
what
D.
whose
【简答题】When someone says “SHARK” most people think of a big, toothy, underwater animal; basically we are imagining a Great White. In fact sharks come in all shapes, sizes and even colors! Follow me please; I...
【单选题】When someone says to you, “How beautifully you sing!” You should reply, “ .”
A.
That's not true
B.
Thank you
C.
Not at all
D.
You're welcome
【单选题】When someone says 'Isn't it a fine day?' he means ______ .
A.
he doesn't know it is a fine day
B.
he doesn't think it is a fine day
C.
he thinks it is a fine day
【单选题】听力原文： When someone says, 'Well, I guess I'll have to go and face the music', it does not mean he is planning to go to a concert. [32] It is something far less pleasant, like being called in by your bo...
A.
Your boss's order.
B.
Your leader's inspection.
C.
Something unpleasant to be experienced.
D.
Sour pop music.
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