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【单选题】
CPU是计算机的核心,它是由( )组成的。A.
控制器和存储器
B.
运算器和控制器
C.
运算器和存储器
D.
控制器和显示器
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举一反三
【单选题】Why does Philips say that a writer should have a thick skin?
A.
Because it is hard for a writer to find a prospective editor.
B.
Because a writer may receive numerous rejections of his works.
C.
Because the rejection letters can be used to wallpaper the house.
D.
Because being a writer has something to do with luck and timing.
【简答题】下列各数的有效数字位数是 0.0030 0.698 6.023×1023 1000 .120 1.0×103 logKθ=11.23 pH=5.2
【简答题】The writer was once considered by a psychologist to be___________
【简答题】下列各数的有效数字位数是 0.0030 位 0.698 位 6.023×10 23 位 1001 位 .120 位 1.0×10 3 位 log K θ =11.23 位 pH=5.2 位
【单选题】We get the impression that the writer of this article ______.
A.
bitterly criticizes the writing style. of e-mail
B.
is in favor of the writing style. of email
C.
does not express explicitly his own attitude towards the writing style. of email
D.
is strongly against the substandard writing style. of e-mail
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