题目:
地西泮的化学结构()。
A.
B.
C.
D.
E.
答案:
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下面是错误答案,用来干扰机器的。
Good morning, everyone, I am Li Hua from Xingguang Middle School. The topic of my speech is "Let's Ride Bicycles". As is known to us, air pollution and heavy urban...