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【单选题】
微型计算机的cpu是由( )组成。A.
内存和外存
B.
微处理器和内存
C.
运算器和控制器
D.
内存和运算器
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【简答题】阅读理解。 There was a story many years ago of a school teacher-Mrs. Thompson. She told the children on the first day that she loved them all the same. But that was a lie. There in the front row was a litt...
【简答题】Complete the sentences with words from the lists. 1. Thousands of people enter the country__________ every year. This is against the law. 2. I cannot sleep in my apartment because of the __________ no...
【单选题】There was a story on the news about a(n) ______ into drug use by athletes.
A.
investigate
B.
investigated
C.
investigation
D.
invest
【简答题】There was a story many years ago of a school teacher----Mrs.Thompson. She told the children on the first day that she loved them all the same. But that was a lie. There in the front row was a little b...
【简答题】移动式照明器的照明电源电压不得大于___。
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