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【简答题】
设某多道程序系统中有用户使用的内存 1000M,打印机1台。系统采用可变分区动态分配算法管理内存,而对打印机采用静态分配。假设输入输出操作时间忽略不计,采用最短剩余时间优先的进程调度算法,进程最短剩余时间相同时采用先来先服务的算法,进程调度时机选择在进程执行结束或新进程创建时,现有进程如下: 进程 创建时间 要求执行时间 要求内存 申请打印机 0 0 8 150M 1 1 4 4 300M 1 2 10 1 600M 0 3 11 20 200M 1 4 16 14 100M 0 假设系统优先分配内存低地址区域,且不允许移动,那么,求: ( 1)给出进程调度算法选中进程的次序,并说明理由。 ( 2)全部进程执行结束所用的时间是多少?
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【简答题】c ut out(4 题 ); cut in ( 1 题 ) ; cut back(1 题 ); cut down(2 题 ); cut off(2 题 ) 1. He has decided to _______ smoking and drinking. 2. Our troop ______ the enemy’s retreat. 3. The first step in a...
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【判断题】用吸光光度法测定时，一般选择最大吸收波长的光作入射光。(    )
A.
正确
B.
错误
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【简答题】1 The movement of the train lulled me to sleep. A forced B caused C stopped 2 He has been my associate in several business enterprises. A partner B friend C contact person 3 We suspected that he was t...
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【判断题】施工合同中的固定价格合同价款不可以调整
A.
正确
B.
错误
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【单选题】在吸光光度法测定中,如其他试剂对测定无干扰时,通常选用最大吸收波长λ max 作为测定波长,这是由于在此波长处测定( )
A.
灵敏度最高
B.
选择性最好
C.
精密度最高
D.
操作最方便
查看完整题目与答案
【单选题】The __________ rhyme or the slant rhyme is a type of rhyme formed by words with similar but not identical sounds.
A.
imperfect
B.
perfect
C.
end
D.
full
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【简答题】Reading Comprehension Passage 2 It is true that young men should start at the beginning and take the most subordinate positions. Many of the leading businessmen of Pittsburgh had a serious responsibil...
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【单选题】施工合同价款可以按照固定价格合同、可调整价格合同、成本加酬金合同三种方式约定。可调整价格合同中价款调整的范围不包括( )。
A.
国家法律、行政法规和国家政策变化影响合同价款
B.
一周内由于承包人原因停水、停电、停气造成停工累计超过8小时
C.
工程造价管理部门公布的价格调整
D.
合同双方约定的其他调整或增减
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【单选题】The __________ rhyme or the slant rhyme is a type of rhyme formed by words with similar but not identical sounds.
A.
perfect
B.
full
C.
imperfect
D.
end
查看完整题目与答案
【简答题】Many people in the United States spend most of their free time watching television. Certainly, there are many (1)_________ programs on television, including news, educational programs for children, pr...
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【简答题】c ut out(4 题 ); cut in ( 1 题 ) ; cut back(1 题 ); cut down(2 题 ); cut off(2 题 ) 1. He has decided to _______ smoking and drinking. 2. Our troop ______ the enemy’s retreat. 3. The first step in a...
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【判断题】用吸光光度法测定时，一般选择最大吸收波长的光作入射光。(    )
A.
正确
B.
错误
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【简答题】1 The movement of the train lulled me to sleep. A forced B caused C stopped 2 He has been my associate in several business enterprises. A partner B friend C contact person 3 We suspected that he was t...
查看完整题目与答案
【判断题】施工合同中的固定价格合同价款不可以调整
A.
正确
B.
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【单选题】在吸光光度法测定中,如其他试剂对测定无干扰时,通常选用最大吸收波长λ max 作为测定波长,这是由于在此波长处测定( )
A.
灵敏度最高
B.
选择性最好
C.
精密度最高
D.
操作最方便
查看完整题目与答案
【单选题】The __________ rhyme or the slant rhyme is a type of rhyme formed by words with similar but not identical sounds.
A.
imperfect
B.
perfect
C.
end
D.
full
查看完整题目与答案
【简答题】Reading Comprehension Passage 2 It is true that young men should start at the beginning and take the most subordinate positions. Many of the leading businessmen of Pittsburgh had a serious responsibil...
查看完整题目与答案
【单选题】施工合同价款可以按照固定价格合同、可调整价格合同、成本加酬金合同三种方式约定。可调整价格合同中价款调整的范围不包括( )。
A.
国家法律、行政法规和国家政策变化影响合同价款
B.
一周内由于承包人原因停水、停电、停气造成停工累计超过8小时
C.
工程造价管理部门公布的价格调整
D.
合同双方约定的其他调整或增减
查看完整题目与答案
【单选题】The __________ rhyme or the slant rhyme is a type of rhyme formed by words with similar but not identical sounds.
A.
perfect
B.
full
C.
imperfect
D.
end
查看完整题目与答案
【简答题】Many people in the United States spend most of their free time watching television. Certainly, there are many (1)_________ programs on television, including news, educational programs for children, pr...
查看完整题目与答案
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