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【单选题】
以下组件都是硬件的是A.
CPU RAM DOS
B.
CPU CD——ROM I/O接口
C.
ROM WINDOWS RAM
D.
UNIX WORD RAM
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反馈参考答案：
举一反三
【简答题】If you’ve made up your mind to make a difference, no one can shake your _____.
【简答题】完形填空。 Several pieces of advice I've gotten in my life have really made a difference. 'Be 1 to people.' This sounds quite common, but I'll never 2 my father telling me that. I was ten, and I had been r...
【单选题】在一定条件下，置于密闭容器中的下列各组物质，充分反应后，再冷却至常温．密闭容器中有气态物质且属于纯净物的是（ ）
A.
质量比为1：8的H 2 和O 2
B.
质量比为3：9的C和O 2
C.
质量比为1：4的CH 4 和O 2
D.
质量比为7：2的CO和O 2
【简答题】完形填空。 Several pieces of advice I've gotten in my life have really made a difference. 'Be 1 to people.' This sounds quite common, but I'll never 2 my father telling me that. I was ten, and I had been r...
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