皮皮学，免费搜题
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搜题
【单选题】
下列化合物进行硝化反应最难的是A.
硝基苯
B.
苯胺
C.
苯
D.
甲苯
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皮皮学刷刷变学霸
举一反三
【单选题】听力原文：W: We're failing behind schedule and I have to attend another meeting. Let's leave the rest of the agenda until our next meeting, shall we? M: I agree. There's nothing really urgent that we need ...
A.
The man and woman spent more time than expected on certain points on the agenda.
B.
The man and woman have a lot of other things to do.
C.
The woman has many meeting today.
D.
Nothing on the agenda was important.