题目内容

Every decision has constraints _______(base ) on policies, procedures ,laws, precedents ,and the like.

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These mine planets ,together with the sun ,make up what _______(call) our solar system.

设某机主频为200 MHz,每个指令周期平均为2.5机器周期,每个机器周期平均包括2个时钟周期,则该机平均速度是________。

Should doctors be allowed_________(take) the lives of others?

Electronic amplifiers also made possible a fantastic in volume ,the music ______(become) as loud and penetrating as the human ear could stand.

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