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【简答题】
A．To limit the water taken by children. B．To wake up children for bathroom. C．To make children take sleep-induction pills. D．To make children stay up late into the night.
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【简答题】家庭教育：面对孩子的提问应如何回答，孩子的提问错误回答方式有哪些？
【多选题】What would you do if you were bitten by a poisonous snake?
A.
Remove clothing (shirt sleeves, rings and jewelry on bitten side).
B.
Apply oral suction to bite or engage in strenuous physical activity.
C.
Try and keep bitten extremity at heart level or in a gravity-neutral position.
D.
Allow the bite to bleed freely for 15-30 seconds.
E.
Cut into or incise bite marks with a blade.
F.
If the bite is on hand, finger, foot or toe, wrap leg/arm rapidly with elastic or crepe bandage past the knee or elbow joint immobilizing it.
【简答题】已知一个采用了LRU置换算法的请求分页存储管理系统中,页面尺寸为4KB,内存访问速度为100ns/次,快表访问速度为20ns/次,缺页中断处理时间为25ms/次。今有一个长度为30KB的进程P进入系统,分配给P的存储块有3块,进程的所有页面都是在该进程运行中动态装入。若访问快表的命中率为20%,对应于下述页面访问序列: 7,0,1,2,0,3,0,4,2,3,0,3,2,1,2,0,1,7,0,1...
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