题目内容

下面的存储器不是易失性存储器的是

A. SRAM
B. DRAM
C. ROM
D. RAM

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当圆锥半角a/2<()时,可用近似公式计算。

A. 12°
B. 10°
C. 8°
D. 6°

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She failed the examination, but the didn't discourage her. (fail)

The stranger happened to be the prisoner wanted by the police.(escape)

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