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【多选题】
下列能发生碘仿反应的化合物是A.
丙酮
B.
乙醛
C.
苯乙酮
D.
3-戊酮
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反馈参考答案：
举一反三
【单选题】----Did you remember to give Tom the money ? ---Yes,______I saw her ,I’m sure.
A.
so long as
B.
so far as
C.
the moment
D.
no matter when
【单选题】---Did you remember to give Jenny the money? --- Yes. I saw her, I’m sure.
A.
So long as
B.
So far as
C.
The moment
D.
Any time
【单选题】--Did you remember to give Jerry the money? --Yes. ________ I saw her, I’m sure.
A.
So far as
B.
As long as
C.
Any time
D.
The moment
【简答题】1) We must be courageous enough to venture on experiments as far as reforms are concerned.2) A certain amount of risk-taking is necessary.3,4) Who dares to claim that he is 100 percent sure of success...
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