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【单选题】
化工生产过程中,常用于加热的物料是( )
A.
中压饱和水蒸气
B.
低压过热水蒸气
C.
高温烟道气
D.
高温高压过热蒸气
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参考答案:
举一反三
【单选题】It's Never Too Late to Start Exercise Researchers Find Great Rewards When Mild Exercise Programs Are Started Late In Life. May 13, 2003--You know the benefits of exercise programs. And if you've been ...
A.
Y
B.
N
C.
NG
【单选题】神经细胞动作电位的去极相中,通透性最大的离子是
A.
K+
B.
Na+
C.
Cl-
D.
Ca2+
【单选题】It was with great delight that I read in your February _____ the letter to the Editor written by Prof. Johnson.
A.
issue
B.
printing
C.
magazine
D.
copy
【单选题】Which of the following statements can be inferred from the passage?
A.
Despite the great prospect some scientists hold, artificial intelligence has achieved a modest Success.
B.
With its commercial application in medical diagnosis, artificial intelligence has made a greatest breakthrough.
C.
Artificial intelligence has found a wide application in almost every field of society.
D.
It is too ideal to be true to make a machine think like human beings.
【单选题】符合模数数列规定的尺寸为
A.
构造尺寸
B.
标志尺寸
C.
实际尺寸
D.
允许偏差值
【简答题】PS对于效果图 后期处理 的 作用。
【单选题】符合模数数列规定的尺寸为( )
A.
构造尺寸
B.
标志尺寸
C.
实际尺寸
【多选题】异步串行数据通信有如下哪几种数据通路形式。
A.
单工
B.
双工
C.
半双工
D.
全双工
【单选题】晶体三极管是由两个PN结构成的一种半导体器件,这两个PN结分别称为( )。
A.
基结 集电结
B.
集电结 发射结
C.
基结 发射结
D.
PNP结 NPN结
【简答题】串行通信有哪几种数据通路形式?
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