题目内容

执行一条指令所需要的时间叫周期,它是由若干周期组成的。

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诺德豪斯定律是描述计算机的____与时间的关系的。

摩尔定律是描述计算机硬件的____的变化规律。

科克定律描述光纤通信速率呈现____增长规律。

用下列方框中所给的词和短语填空，并根据需要改变形式。postsby the end of a yearpotlucksappreciategratefulprints1) The time for people to think more about showing thanks is ____.2) It is now very common for people to use_ to thank the volunteers.3) What may give the volunteers a sense of belonging (归属感) is to hold ___ in the office.4) Sending out cards could let the volunteers know that people are _ to them.5) The volunteers working in the library seemed to the staff’s silent way to recognize them.6) Wu Qing draws a hand pat on a piece of paper and ________some warm words on it to show her appreciation for all the hard work and effort the volunteers have made.