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【判断题】
委托指令有多种形式，可以按照不同的依据来分类.一般根据价格限制，可分为市价委托和限价委托。( )A.
正确
B.
错误
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举一反三
【简答题】A．She was a woman. B．She wrote too many letters. C．She couldn't graduate from a medical school. D．She couldn't establish her hospital.
【简答题】(3.3.2)函数 ,则它在 ( )处有极值
【单选题】She was so satisfied with all _________we had done for her son ________she wrote us a letter to praise us for it. [ ]
A.
which; what
B.
that; that
C.
that; what
D.
what; that
【单选题】在主存和CPU之间增加Cache的目的是(17)。在CPU执行一段程序的过程中，Cache的存取次数为2250次，由内存完成的存取次数为250次。若Cache的存取周期为6ns，内存的存取周期为24ns，则Cache的命中率为(18)，CPU的平均访问时间为(19)ns。
A.
提高内存工作的可靠性
B.
扩展内存容量
C.
方便用户操作
D.
提高CPU数据传输速率
【简答题】A．Because she wrote extensively about a very different culture. B．Because she published half of her books abroad. C．Because she won more awards than any other woman of her time. D．Because she achieved...
【简答题】请写20个我是谁?
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