澄清石灰水长期敞口放在空气中会变浑浊。这是因为空气中含有( )_刷题宝

题干

澄清石灰水长期敞口放在空气中会变浑浊。这是因为空气中含有( )

A：氮气

B：氧气

C：二氧化碳

D：稀有气体

上一题下一题 0.0难度选择题更新时间:2020-03-27 03:47:25

答案(点此获取答案解析）

C

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根据对话内容，从方框中选择恰当的选项补全对话

A: Afternoon, Tina! Do you know Kate?

B: Yes, I do. ____She and Linda go to the same school, but they are in different classes.

A: ____

B: Very outgoing.

A: ____

B: Yes, and she's also funnier than Linda.

A: You know a lot about her. ____

B: Two years ago. I met her at Linda's party. Why do you ask about her?

A: Yesterday she joined our club. So I want to know about her.

B: She is good at playing the guitar the same as you.

A: Yeah! ____I should learn from her.

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B. She's Linda's cousin.

C. When did you meet her?

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E. But I think she plays better than me.

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