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问题 不定项选择题

在150℃时，分解的化学方程式为：，若只有一半碳酸铵分解，产生的气态混合物的密度是相同条件下氢气密度的[ ]

A、96倍

B、48倍

C、12倍

D、10倍

答案

答案：C

补全对话，情景问答

根据对话内容，在空白处填写适当的话语（话语可能是一个句子，也可能是一个短语或一个词），使对话完整。

A: Did you and Amy have fun last night, Tina?

B: Well, yes and no.

A: Why did you say so?

B: Because Amy was late.  The party was nearly over when she 1._____．

A: What happened to her?

B: On the way there, she 2._____ her bike and hurt her left leg.

A: 3._____?

B: We put some medicine on the cut and covered it with a clean cloth.

A: I hope she will be better soon.  And 4._____?

B: Sure.  Loud music made me want to dance, and the food was great.

A: What do you think of the movie last night?

B: It was a really good movie, but it was 5._____ sad that it made us cry.

A: Oh, it's time to go home now. Bye.

B: Bye.
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单项选择题

进行政府信息资源管理的主要手段通常是（）

A、行政手段和伦理道德

B、伦理道德和法律手段

C、行政手段和法律手段

D、文化素质和法律手段
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