题目内容

在药典中青黛靛玉红的含量测定采用

A. 高效液相色谱法
B. 气相色谱法
C. 紫外-可见分光光度法
D. 酸碱滴定法
E. 薄层扫描法

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Through English we will be able to communicate ______ part of the world we come from.

A. in which
B. with which
C. whatever
D. wherever

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Arrive at the classroom well before the test （） so you don't feel rushed.

A. beginning
B. has begun
C. will begin
D. begins

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乙醇浸出液，加新制的1%香草醛硫酸溶液1～2滴，即显紫色的药材是

A. 五倍子
B. 冰片
C. 海金沙
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E. 儿茶

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If I care about you, I'm concerned about your growth, and I hope you will become all that you can become.（）

A. ...you will become what you want to be.
B. ...you will eventually become a gifted person.
C. ...you will develop all your abilities to the full.
D. ...you will be capable of doing all sorts of jobs.

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在药典中青黛靛玉红的含量测定采用

A. 高效液相色谱法 B. 气相色谱法 C. 紫外-可见分光光度法 D. 酸碱滴定法 E. 薄层扫描法

Through English we will be able to communicate ______ part of the world we come from.

Arrive at the classroom well before the test （） so you don't feel rushed.

乙醇浸出液，加新制的1%香草醛硫酸溶液1～2滴，即显紫色的药材是

If I care about you, I'm concerned about your growth, and I hope you will become all that you can become.（）

A. 高效液相色谱法
B. 气相色谱法
C. 紫外-可见分光光度法
D. 酸碱滴定法
E. 薄层扫描法