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【单选题】
I/O接口的主要功能部件包括（）。A.
I/O接口信号电路板、I/O控制器和电源
B.
I/O接口信号电路板、I/O存储器和电源
C.
I/O接口信号电路板、I/O控制器和I/O存储器
D.
I/O控制器和I/O存储器
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反馈参考答案：
举一反三
【单选题】How many of the positive integers less than 25 are 2 less than an integer multiple of 4?
A.
2
B.
3
C.
4
D.
5
E.
6
【单选题】女性，20岁, 头晕 面色苍白2年，吞咽困难，血红蛋白65g/L，网织红细胞0.02，白细胞及血小板正常，血片见红细胞大小不等，中心浅染，首选抗贫血制剂为
A.
雄激素
B.
维生素B12
C.
强的松
D.
口服铁剂
E.
以上都不是
【简答题】钢筋常用的 3 种连接方法是 、 和 。
【简答题】A．About two hours. B．Less than an hour. C．More than two hours and a half. D．Less than an hour and a half.
【简答题】A．than B．less than C．the same as D．no less than
【单选题】count = count = 0 n=3 while count < n: print (count, " is less than 3" ) count=count + 1 else: print (count, " is not less than 3" )
A.
0 is less than 3 1 is less than 3 2 is less than 3 3 is not less than 3
B.
1 is less than 3 2 is less than 3 3 is not less than 3
C.
1 is less than 3 2 is less than 3 3 is less than 3 4 is not less than 3
D.
0 is less than 3 1 is less than 3 2 is less than 3 3 is less than 3 4 is not less than 3
【简答题】筛选信息要注意哪些问题?
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