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【单选题】
合成下列化合物(除指定原料外,其他原料自选),将答案写在纸上,并回答,第一步反应是( )。 (答题说明:请在纸上写出答案,提交之后查看答案解析。A.
消除反应
B.
取代反应
C.
加成反应
D.
氧化反应
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皮皮学刷刷变学霸
举一反三
【单选题】---- Will Joe attend the party? ----- If his wife won’t go to the party,_________.
A.
he will either
B.
neither does he
C.
he neither will
D.
neither will he
【单选题】He asked , “ Are you a Party member or a League member?” →He asked me _________.A．am I a Party m
A.
35. He asked , “ Are you a Party member or a League member?” →He asked me _________. A．am I a Party member or a League member
B.
was I a Party member or a League member
C.
if I was a Party member or a League member
D.
whether was I a Party member or a League member.
【简答题】主动土压力、被动土压力和静止土压力中，最大的是（）。
【简答题】海关总署属于国务院的（ ）。
【单选题】相同条件下，作用在挡土构筑物上的主动土压力、被动土压力、静止土压力的大小之间存在的关系是（ ）。
A.
Ep>Ea>E0
B.
Ep>E0>Ea
C.
Ea>Ep>E0
D.
E0>Ep>Ea
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