一次冲洗流量改进的措施是（）。A、在其它条件不变的情况下，提_爱下问搜题

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问题单项选择题

一次冲洗流量改进的措施是（）。

A、在其它条件不变的情况下，提高一次冲洗流量设定值

B、在其它条件不变的情况下降低一次冲洗流量设定值

C、在其它条件不变的情况下，降低一次冲洗流量设定值且冲洗量与冲洗回路管线的体积相关联

D、在其它条件不变的情况下降低一次冲洗流量设定值且流量设定值与一次冲洗进管线的体积相关联

答案

参考答案：D

完形填空

Mr Black once decided to travel by air on business because of some reason. He liked　16 beside a window when he was　17 ,so when he got onto the plane, he　18　 a window seat. He　19 that all of them had already been taken  20 one, and there was a soldier sitting in the seat beside this one. Mr Black was 21 that he had not taken the one by the window, but, anyhow, he at once went towards 22 .
When he  23 it, however, he saw that there was a notice on it. It was written 24 ink and said,“This is reserved for proper load balance. Thank you.” Mr Black had never seen such a notice in a plane  25 ,but he thought that the plane  26   be carrying something particularly heavy in 27 baggage room which made  28 necessary to have passengers properly balanced, so he walked on and 29 another empty seat, not beside the 30 ,to sit in.
Two or three other people tried 31   in the window seat beside the soldier, but they, too, 32 the notice and went on. Then, when the plane was nearly full, a very beautiful girl stepped into the plane. The soldier, who was 33 the passengers coming in, quickly took the notice off the seat beside him－and 34   that way succeeded in  35   the company of the girl during the whole of the trip.

单项选择题

“净重”栏应填（）。

A．18.90

B．15025

C．17951

D．不填