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问题 单项选择题

采用差示双波长紫外分光光度法测定复方磺胺甲恶唑片含量时，若选λ2为测定波长(被测组分λmax)，而另一波长(λ1)则为

A．对照波长

B．参比波长

C．标准波长

D．校正波长

E．调零点波长

答案

参考答案：B

阅读理解

All students need to have good habits（好习惯）: When you have good study habits, you learn things quickly. You also remember them easily.

Do you like to study in the living room? This is not a good place because it is usually too noisy. You need to study in a quiet place, like your bedroom. A quiet place will help you only think about one thing, and you will learn better.

Before you begin to study, do not forget to clean your desk. A good desk light is important, too. You’ll feel tired easily if there is not enough light.

小题1:When you have good study habits, you will       .

A．learn things quickly

B．remember things easily

C．think about one thing

D．both A and B小题2:The living-room is not a good place for study because it is too      .

A．quiet

B．noisy

C．good

D．clean小题3:You’ll feel tired easily if the light is          .

A．good

B．enough

C．bad

D．wonderful小题4:You should remember to           before you study.

A．clean the desk

B．tidy the room

C．turn on the light

D．go to the bedroom小题5:The best title（标题） for this passage（文章） is            .

A．Study in the bedroom

B．Good study habits

C．How to study

D．Desk light is important
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多项选择题

NGBOSS业务办理——业务平台业务下新增手机电视业务，可受理（）的开通与取消。

A.基础业务；

B.全网收视套餐；

C.CCTV手机电视；

D.东方手机电视；
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