海船船员考试

单选题One of the functions of ventilation is to （） the humidity of spaces containing sources of moisture, or to （） the temperature of spaces not mechanically cooled such as the engine room.A increase；reduceB reduce；increaseC increase；increaseD reduce；reduce

题目
单选题
One of the functions of ventilation is to （） the humidity of spaces containing sources of moisture, or to （） the temperature of spaces not mechanically cooled such as the engine room.
A

increase；reduce

B

reduce；increase

C

increase；increase

D

reduce；reduce

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：

In C language, one method of communicating data between functions is by ______.

A．arguments

B．variables

C．messages

D．constants


正确答案：A
解析：译文的含义是：在C语言中，函数之间的一种通信方式是使用()。选项A～选项D的含义分别是：参数、变量、消息和常量。

第2题：

COMPATIBILITY OF GOODS states ______．

A.the method for the proper stowage of a dangerous cargo

B.the necessity of lashing，securing and piling of awkward or lengthy cargo

C.whether different goods can be stowed together in one hold

D.ventilation method for hydrous cargo


正确答案：C

第3题：

As activities are usually carried __ during one’s spare time, leisure has the following functions: relaxation, recreation and entertainment, and personal development.


参考答案：out

第4题：

下列通气模式，属于控制呼吸的模式是（　）

AVCV(Volume control ventilation)

BSImV(synchron izedinter mittentmandatory ventilation)

CPSV(Pressure support ventilation)

DPCV(Pressure control ventilation)

ECPAP(continuous positive airway pressure)


A,D
略

第5题：

As the temperature for a given mass of air increases, the ______.

A.dew point increases

B.dew point decreases

C.relative humidity increases

D.relative humidity decreases


正确答案：D
当一特定气团的温度上升时，相对湿度减小。

第6题：

In C language, there are several methods of communicating data between functions, one of which is by(51)。

A．arguments

B．variables

C．messages

D．constants


正确答案：A
解析：C语言中，函数间数据通信的方法有很多种，其中一种是使用参数。另外还有公用变量、堆栈、共享缓冲区等方法。

第7题：

As the temperature for an air mass decreases, the ______.

A.absolute humidity increases

B.relative humidity increases

C.specific humidity increases

D.dew point rises


正确答案：B
随着特定气体的温度升高，相对湿度降低。

第8题：

air humidity


正确答案：air humidity：空气的湿度指单位质量干空气带有的水蒸气的质量(kg水蒸气／kg干空气)。
airhumidity：空气的湿度,指单位质量干空气带有的水蒸气的质量(kg水蒸气／kg干空气)。

第9题：

Vitamins are similar because they are made of the same elements—usually carbon,hydrogen,oxygen,and sometimes nitrogen.They are different in that their elements are arranged differently,and each vitamin been（ ）one or more specific functions in the body.

A.holds
B.plays
C.performs

答案：A
解析：
根据句意，所选项要有“起作用”的含义。四个选项中，只有D.perform“执行，履行”与function相搭配，意为“起作用”。A.undertake“着手，承担”；B.hold“抓住，掌握”；C.play常和part或role搭配，也可表达“起作用”之意。

第10题：

Which four are attributes of single row functions? （）

  • A、cannot be nested
  • B、manipulate data items
  • C、act on each row returned
  • D、return one result per row
  • E、accept only one argument and return only one value
  • F、accept arguments which can be a column or an expression

正确答案:B,C,D,E

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