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【单选题】
微型计算机系统中的中央处理器通常是指( )A.
内存储器和控制器
B.
内存储器和运算器
C.
运算器和控制器
D.
内存储器、控制器和运算器
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【单选题】They suggested that the professor ________ just now ________ chairman of the meeting.
A.
referring to；was made
B.
referring to；be made
C.
referred to；be made
D.
referred to；was made
【简答题】At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject. A) committed B) switched C) favoured D) transmitte...
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