题目内容

SRAM比DRAM的读写速度( ),但价格高。

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半导体可擦可编程只读写存储器EPROM又可分为UVEPROM和( )EPROM。

计算机的主存是由RAM和ROM两种半导体存储器组成的。

A. 对
B. 错

Complete each of the following sentences in English according to the Chinese given. Use a sentence pattern “no wonder…” or “As it turns out”.彼得是玛丽的哥哥,难怪他使我如此想起她。Peter is Mary’s elder brother! ____.

约翰放弃了高薪工作,听上去不可相信,可事实却是这样。John has quit his high-paid job. That sounds unbelievable, but____.

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