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搜题
【单选题】
下列化合物中,最容易发生亲电取代反应的是A.
吡咯
B.
噻吩
C.
呋喃
D.
苯
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参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】He suddenly left for Paris yesterday, was more than we had expected
A.
what
B.
that
C.
this
D.
which
【单选题】He suddenly left for Paris yesterday, was more than we had expected.
A.
that
B.
what
C.
this
D.
which
【单选题】He suddenly left for Paris last night,___ was more than she had expected.
A.
that
B.
what
C.
this
D.
which
【单选题】He suddenly left for Paris yesterday, ____was more than we had expected.
A.
that
B.
which
C.
what
D.
this
【单选题】行骨髓穿刺术时，胸骨穿刺时固定器固定的长度约为 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
1.0cm
B.
1.5cm
C.
2.0cm
D.
2.5cm
E.
3.0cm
【单选题】He suddenly left for Paris yesterday, _____ was more than we had expected.
A.
that
B.
what
C.
which
【判断题】He suddenly left for Paris yesterday,which was more than we had expected.
A.
正确
B.
错误
【简答题】不管策划哪类展会,组办方在展会前都必须自行完成或委托完成一些基本调查,调查的内容包括哪些?
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