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碱催化下水解反应速率大小顺序为

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乙酸和亚磷酰氯作用,α-H被氯取代,得到氯取代乙酸。

A. 对
B. 错

叔醇的酯化反应是按照烷氧键断裂方式进行的。

A. 对
B. 错

[音频]Caroline is the 1 _____________ of the company. She asks whether the man has some working 2 ___________ during college. The man once worked as a 3 ______________ and model. From the part-time jobs, the man learned to be 4 ____________, 5 _____________ and gained a lot of experience.

下列if语句中,不正确的是( )

A.if (x B.if (x C. B.if (x D.if (x

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