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[4]数M分别为3和4时,访问过程中发生的缺页次数为___和___(假定开始时,物理块中为空)33、根据Bernstein 条件(程序能并发执行,且具有可再现性的条件),则如下4条语句中:S1:a:=x+yS2:b:=z+1S3:c:=a-bS4:w:=c+1,则S1和S2两条语句_可___并发执行,S3和S4两条语句...
While I walked along the rows and rows of cold metal cages,a dog caught my eye.He was scared,and looked like he'd given up on life.There was only one problem:he was a pit bull. As he looked at me with his big,beautiful eyes,I could see into his soul.I c...
31. -Can you help me, please?A.Congratulations!B. Thank you.C. You_2rcwelcomc D. Yes, of course. 相关知识点: 试题来源: 解析 【答案】D【核心短语/词汇】of course:当然了。【翻译】——请问,你能帮助我吗?——是的,当然可以了。【解析】选项A:祝贺你!选项B:谢谢你。选项C:不客气。选项D:...
搜索智能精选 题目His letter, ___ to the wrong number, reached me late.A、 having been addressed B、 to have addressed C、 to have been addressed D、 being addressed答案 A