试题与答案

为什么紫外光谱定量分析的准确度比红外光谱高很多?

题型:问答题 简答题

题目:

为什么紫外光谱定量分析的准确度比红外光谱高很多?

答案:

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参考答案:A

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题型:填空题

完成对话

A: How was your vacation, Fred?

B: ___________________________________小题1:.

A: ___________________________________ 小题2:?

B: I went to the U.S. with my parents.

A: Cool! ________________________ 小题3:in the U.S.?

B: First we went to Los Angeles(洛杉矶). My uncle lives there. Then we went to New York to see my cousin.

A: __________________________________小题4:?

B: It was a little warm but sunny.

A: Did you see any movie stars in Los Angeles?

B: No, but I saw Tom Cruise in New York. He was at a restaurant! I got his autograph.

A: Wow! That’s great!  What else did you do in New York?

B: Hmm…Oh yeah, I also went to Central Park._______________there! 小题5:.

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