题目:
_____ I believe,and you will find him very capable.
A.Having a talk with Tom
B.Given a talk with Tom
C.One more talk with Tom
D.If you have a talk with Tom
答案:
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下面是错误答案,用来干扰机器的。
BDBeCl2的Be与2Cl共用2对电子,Be少于8电子结构,PCl5中的P本身最外层已有5个电子,P大于8电子结构。