色谱法可以分为哪些类型,其所遵循的分类原则是什么?

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问题:

色谱法可以分为哪些类型,其所遵循的分类原则是什么?

考点:仪器分析工考试仪器分析工(高级)仪器分析工(高级)题库
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句型转换(共5小题;每小题2分,满分10分)

小题1: In my opinion, education should teach our children the skills they will need in the future.

In my opinion, education _____ ______ teach our children the skills they will need in the future.

小题2:In fact, I landed in Britain by chance.

In face, I landed in Britain _____ ______.

小题3:The Taj Mahal was built in the 1600s to memorize the emperor’s wife.

The Taj Mahal was built in the 1600s _____ ______ ______ the emperor’s wife.

小题4:He seems to be enjoying himself.

It looks ______ ______ he were enjoying himself.

小题5:My father tells me that helping others is the most pleasant thing.

My father tells me nothing is ______ _____ _______ helping others.

题型:问答题 简答题

生物的各个物种既基本上保持稳定,又能不断地进化,原因是生物具有[ ]

A.新陈代谢作用

B.遗传和变异的特性

C.生命的物质和结构基础

D.生殖和发育的现象

题型:问答题 简答题

适合随访观察的子宫肌瘤是()

A.围绝经期

B.症状不明显,肌瘤不大

C.肌瘤较大

D.生长较快

E.单发肌瘤

题型:问答题 简答题

近期建设规划工作重点是( )。

A.确定近期建设用地范围和布局
B.研究近期城市发展策略
C.确定重点发展地区
D.切实解决当前城市发展面临的突出问题

题型:问答题 简答题

空气压缩机风包上必须装有动作可靠的()。

A.放气阀

B.安全阀

C.放水阀

D.放油阀

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