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【单选题】
生物碱分子中氮原子杂化方式与其碱性强弱的关系是A.
sp＞sp2＞sp3
B.
sp＞sp3＞sp2
C.
sp3＞sp3＞Sp
D.
sp3＞sp＞sp2
E.
sp2＞sp3＞sp
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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】For a moment nothing happened. Then _____ all shouting together. [ ]
A.
voices had come
B.
came voices
C.
voices would come
D.
did voices come
【单选题】For a moment nothing happened, and then ______ all shouting together.
A.
voices had come
B.
came voices
C.
voices would come
D.
did voices come
【单选题】For a moment nothing happened. Then ______all shouting together.
A.
voices had came
B.
did voices come
C.
came voices
D.
voices would come
【单选题】For a moment nothing happened then all shouting together.
A.
voices had come
B.
came voices
C.
voices would come
D.
did voices come
【判断题】There're voices against globalization because it might erode national cultures and individual identities.
A.
正确
B.
错误
【简答题】板块构造学说认为，板块内部地壳比较 ， 较活跃。
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