题目内容

关于GC和HPLC，下列说法正确的是？

A. HPLC比GC的分析对象和范围更广
B. HPLC中流动相的种类比GC的更多
C. HPLC分析通常在室温下进行
D. GC的色谱柱比HPLC的长

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下面哪种说法是正确的？

A. HPLC采用高压输液泵输送流动相，流速快，分析速度快
B. 薄层色谱法的定性参数是比移值
C. 在薄层色谱和柱色谱法中，甲醇的洗脱能力比丙酮的强
D. 气-液、液-液色谱属于吸附色谱

I always have lunch with my colleagues and have some fun ____ noon.

A. in
B. at
C. on
D. during

_________the schedule, you will interview five applicants tomorrow.

A. Based
B. According to
C. With
D. As

If you saw a movie but only thought it was so-so, you can say: "Yeah, it was OK."

A. 对
B. 错