精馏产品质量好坏与重整、抽提有何关系？怎样调节？

阅读理解。

      Once upon a time, there lived a rich man. He had a servant (仆人). He and the servant loved wine

(酒) and good food very much. Each time the rich man left his home, the servant would drink the wine

and eat up(吃光)all the nice food in the house. The rich man knew what his servant did , but he had

never caught (抓住) his servant doing that.

     One morning, when he left home, he said to the servant, "Here are two bottles of poison (毒药) and

some nice food in the house. You must take care of (看管好) them." With these words, he went out.

     But the servant knew that the rich man had said was untrue (假的), after the rich man was away

from his home, he enjoyed a nice meal. Because he drank too much, he was drunk (喝醉酒) and fell

to the ground. When the rich man came back, he couldn't find his food and his wine. He became very

angry. He woke (叫醒) the servant up. But the servant told his story very well. He said a cat had eaten

up everything. He was afraid (害怕) to be punished (被惩罚), so he drank the poison to kill (杀死)

himself.

1. In the story, _______ liked wine and good food very much.

A. the rich man  

B. the servant    

C. both A and B    

D. nobody

2. The rich man told the servant that there was poison in the two bottles, because _______.

A. there was in fact poison in the bottles

B. he did not want the servant to drink his wine

C. he wanted to kill the cat

D. he wanted to kill the servant

3. In fact (实际上), _______ ate all the nice food and drank the wine. 

A. the servant    

B. cat        

C. the rich man      

D. nobody

4. From the story, we know that the servant is very _______.

A. lazy (懒惰的)    

B. stupid (蠢的)      

C. clever (聪明的)  

D. kind

古罗马建筑的历史性成就有哪些？

在色谱系统适用性试验中，按公式5.54(tR/Wh/2)2计算所得的结果是

A．色谱柱的理论板数

B．分离度

C．重现性

D．重复性

E．拖尾因子

以下哪一项是世界上最古老的语法书：（）

A、《十诫》

B、《因明》

C、《八章书》

D、《奥义书》

ERP8.0中，外币核算的汇率方式有( )。

A．固定汇率

B．外币汇率

C．浮动汇率

D．临时汇率