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【单选题】
层状云正的双极性电荷分布是指( )A.
云上部荷负电荷,下部荷正电荷
B.
云上部荷正电荷,下部荷负电荷
C.
整层云荷正电荷
D.
整层云荷负电荷
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举一反三
【单选题】I want to relax myself right now. Would you please change to _____ music?
A.
sad
B.
loud
C.
exciting
D.
gentle
【单选题】I wouldn't want to go into ________ on those particular issues right now, but I want to emphasize that drastic measures must be taken to effectively address them.
A.
a too great detail
B.
too a great detail
C.
too great a detail
D.
a great detail too
【简答题】I don't really want to talk about that right now.
【单选题】- Tomorrow morning I want to have a road trip along the West Coast. - We can pack our bags right now. [ ]
A.
Don't worry about it.
B.
That sounds fine.
C.
Forget it.
D.
I can't believe it.
【简答题】深度为 5 的完全二叉树至少有 _______ 个结点。
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