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【单选题】
下列关于I／O设备的说法中正确的是（ ）。I，键盘、鼠标、显示器、打印机属于人机交互设备II，在微型计算机中，VGA代表的是视频传输标准III，打印机从打字原理的角度来区分，可以分为点阵式打印机和活字式打印机Ⅳ，鼠标适合于用中断方式来实现输入操作A.
II、III、Ⅳ
B.
I、II、IV
C.
I、II、III
D.
I、II、III、Ⅳ
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举一反三
【单选题】According to the author, where does the happiness of scientists lie?
A.
It lies in a sense of fulfillment.
B.
It lies in their rich imagination.
C.
It lies in the increase of their knowledge.
D.
It lies in the opportunity to continue the search.
【单选题】According to the author, where does the happiness of scientists lie?
A.
It lies in a sense of fulfillment.
B.
It lies in their rich imagination.
C.
it lies in the increase of their knowledge.
D.
It lies in the opportunity to continue the search.
【单选题】鼠痘典型特征为 ,严重者可见脚、尾坏死脱落( )
A.
常突然倒地,抽搐,尖叫后死亡
B.
发热、咳嗽、厌食、精神萎顿
C.
脚、尾和鼻部出现皮疹和溃疡
D.
出血性腹泻、呕吐,眼和鼻有分泌物,呼吸困难
【单选题】In the world of the comics, happiness depended on______.
A.
a crazy sense of humor
B.
a love of life
C.
a little faith and luck
D.
cunning and courage
【单选题】The Greek philosopher Aristotle said that a persons highest happiness comes from the use of his or her intelligence. Religious books such as the Koran and Bible discuss faith as a form. of happiness. ...
A.
the importance of happiness
B.
the cause of happiness
C.
the meaning of happiness
D.
people who are happy
【单选题】I want to ________ the secrets of nature and apply them for the happiness of man.
A.
bring in
B.
bring out
C.
bring up
D.
bring about
【单选题】鼠痘典型特征为 ,严重者可见脚、尾坏死脱落
A.
常突然倒地,抽搐,尖叫后死亡
B.
脚、尾和鼻部出现皮疹和溃疡
C.
发热、咳嗽、厌食、精神萎顿
D.
出血性腹泻、呕吐,眼和鼻有分泌物,呼吸困难
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