海船船员考试

单选题The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）A opposing operational dragB pressure distributionC differentialD system purge

题目
单选题
The pressure range between the system cut in and cut out pressures in a refrigeration unit is known as（）
A

opposing operational drag

B

pressure distribution

C

differential

D

system purge

参考答案和解析
正确答案： A
解析： 暂无解析
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相似问题和答案

第1题：

My wife is out of work now, so we have to ________ our living expenses.

A.cut down

B.cut out

C.cut off

D.cut short


参考答案：A

第2题：

Ventilation ().

A、is a system for moving fresh air

B、can cut indoor pollution to a safe level

C、can cause some diseases

D、is better done through air-conditioning


参考答案：AB

第3题：

In order to save time, I () my shopping to once a week.

A.cut off

B.cut out

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参考答案：D

第4题：

In her hands, a piece of common paper could be cut out into various kinds of flowers. (翻译)


参考答案：在她手里，一片普通的纸可以被剪出各种花儿来

第5题：

Our water supply was ____ because of the pipe burst.

A、cut down

B、cut off

C、cut away

D、cut up


正确答案：B

第6题：

The experiment is carried cut to prove ______.

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B. the earth is surrounded by a layer of air called the atmosphere.

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D. the air pressure is not equalized around us.


正确答案：C

第7题：

Your hair needs ____; would you like me ____ it for you?

A.cutting...doing

B.to cut...doing

C.to be cut...to do

D.being cut...to do


答案：C

第8题：

carve means to cut shapes out of wood or stone.()

此题为判断题(对，错)。


参考答案：对

第9题：

In order to()handling and shipping expenses as()as possible, we suggest that you ship the large order in containers.

A、cut down⋯much

B、cut out⋯much

C、subtract⋯low

D、decrease⋯high


参考答案：A

第10题：

The government decided to ____ its military expenditure.

A. cut off

B. cut up

C. cut away

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参考答案：D

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