题目内容

芳胺的乙酰化在有机合成中有哪些重要应用?

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乙酰苯胺制备中,为何要加入锌粉?

Excuse me, where is the nearest supermarket?

A. Hi, I'm looking for the bathroom.
B. Go along this street and turn left at the second crossing.
C. Let's go to see a film tonight!
D. Yes, I'm new here.

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The following words meaning "bathroom" could be used in UK nowadays EXCEPT _______

A. toilet
B. restroom
C. loo
D. WC

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Which of the following questions can be used to ask for directions?

A. Excuse me, where is the closest ... ?
B. Hi, can you tell me how to get to ... ?
C. Hello, I'm looking for the nearest ... .
D. Excuse me, is there a ... around here?

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