问题 填空题

在一定的温度和压力下,组分在固定相和流动相之间的分配达到的平衡,随柱温柱压变化,而与固定相及流动相体积无关的是()。如果既随柱温、柱压变化、又随固定相和流动相的体积而变化,则是()。

答案

参考答案:分配系数,容量因子

阅读理解

Mr. Read was born in a small village with high mountains all around it.He has few fields and he can’t get enough food for his family.He’s often worried about it.So he works harder and harder and tries his best to get more money.

One afternoon,Mr. Read went out to look for some grass for his cows.It was very hot and he had to have a swim.Suddenly he saw a big tortoise(乌龟) in the water.He swam there and caught it.The next morning he went to the town to sell it in the market.When he was walking in the street.a car hit him down and he was hurt.He was sent to hospital at once.The doctors looked him over and had an operation off him.Two weeks later he felt much better.The doctors were satisfied with the operation and said.“You’ll be fully recovered in a week.We’re sure you can write when you leave hospital.”

“It’s really a miracle(奇迹)!”  shouted Mr. Read,“I could neither read nor write before!”

小题1:Mr. Read’s ___________ was hurt in the traffic accident

A.head

B.1eg

C.right hand

D.foot小题2:Which is true according to the article?

A.Mr. Read has a few fields.

B.One afternoon,he went out for some rice

C.That day he caught a rabbit

D.Mr. Read can’t read or write at all.小题3:How was the operation?

A.Very successful.

B.Not very good.

C.Rather bad.

D.Terrible.小题4:In Chinese the  phrase “be fully recovered ” means _______.

A.完全覆盖

B.全部找回

C.恢复疲劳

D.恢复健康小题5:What the doctor said meant that __________.

A.he did a very successful operation

B.the farmer was lucky enough to write after the operation

C.the accident helped the farmer to write

D.he taught the farmer to write while he was staying in hospital

名词解释