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【简答题】
（4分）某元素的原子具有3个电子层，最外电子层上有5个电子，它的最高价氧化物的化学式是________，最高价氧化物对应的水化物的化学式是________．
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反馈参考答案：
举一反三
【单选题】_____ David showed the report to the public surprised me.
A.
What
B.
That
C.
Which
D.
Who
【简答题】This is a story about Kitano Takeshi (北野武), a famous Japanese movie actor and director, and his mother. Kitano Takeshi didn't like his mother, so he seldom came home to visit her. He disiliked his mot...
【简答题】会谈过程中几种相倚形式:假相倚、__________、________、和 彼此相倚。
【简答题】Mike was reading in the garden when his mother came. She pointed to something and asked Mike what it was. Mike felt quite 1 , but he told her it was a sparrow ( 庥雀 ). Several minutes later, his mother...
【简答题】His mother asked her son to tell her the reason _____ his choice.
【多选题】姜夔的《扬州慢》多处化用杜牧咏扬州的诗句,下列诗句与杜牧诗无关的是
A.
过春风十里，尽荠麦青青
B.
废池乔木，犹厌言兵
C.
纵豆蔻词工，青楼梦好，难赋深情
D.
二十四桥仍在，波心荡、冷月无声
E.
互爱左名都，竹西佳处
【简答题】会谈过程中几种相倚形式:假相倚、__________、________、和 彼此相倚。
【单选题】___ he was ill, I was expected to take his place greatly surprised me for I didn't have much working experience.
A.
If
B.
That if
C.
That
D.
If that
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