“同是天涯沦落人，相逢何必曾相识。”出自（） A.《琵琶行》 _爱下问搜题

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问题单项选择题

“同是天涯沦落人，相逢何必曾相识。”出自（）

A.《琵琶行》

B.《长恨歌》

C.《过华清宫》

D.《琵琶行》

答案

参考答案：A

填空题

用方框中所给单词或词组的适当形式填空，每词限用一次

arranged, nothing, thanks to, hardly, weight

1. The fat boy did some _______ training to keep healthy every day.
2. _______ the good weather, the rice grows very well.
3. They have _______ hotel accommodation for us already.
4. Her legs were so weak that she could _______ stand.
5. _______ special happens to us. Everything is in order.

单项选择题

Mg原子(Z=12) 的两个价电子可以组成下列哪一电子组态：

A． 2s3p；
B．2d3p；
C．3s3f；
D．3p4f。