有程序编制如下。数组中的每个元素为一个字。假设页面大小为每页128个字,数组中的每一行元素存放在一页中。系统为该程序提供一块内存,开始时内存为空。
VARA:ARRAY[1..256,1..128]OFinteger;
FORj:=1TO128DO
FORi:=1TO256DO
A[i,j]:=0;
该程序执行时共产生多少次缺页中断?
A、128D
暂无解析
PartVWriting
Directions:InthispartyouarerequiredtowriteanessayaboutSavingEnergiesandResources.Youshouldwriteatleast120wordsandbaseyourcompositionontheoutline(giveninChinese)below:
1、随着社会的发展,厉行节约越来越重要;
2、生活中许多方面都可以节约;
3、每个人都应该养成节约的好习惯。
Passage2
Questions6to10arebasedonthefollowingpassage:
Inordertolearntobeone’strueself,itisnecessarytoobtainawideandextensiveknowledgeofwhathasbeensaidanddoneintheworld;criticallytoinquireintoit;carefullytoconsiderit;clearlytoanalyzeit;andearnestlytocarryitout.
Itmattersnotwhatyoulearn,butwhenyouoncelearnathing,youmustnevergiveitupuntilyouhavemasteredit.Itmattersnotwhatyouinquireinto,butwhenyouonceinquireintoathing,youmustnevergiveitupuntilyouhavethoroughlyunderstoodit.Itmattersnotwhatyoutrytothinkout,butwhenyouoncetrytothinkoutathing,youmustnevergiveitupuntilyouhavegotwhatyouwant.Itmattersnotwhatyoutrytocarryout,butwhenyouoncecarryoutathing,youmustnevergiveitupuntilyouhavedon’titthoroughlyandwell.
Ifanothermansucceedsbyoneeffort,youwilluseahundredefforts.Ifanothermansucceedsbytenefforts,youwilluseathousand.
6.Accordingtotheauthor,firstofallonemust.
A.analyzeB.inquireC.obtainknowledgeD.act
7.Accordingtotheauthor,.
A.learningisnotimportantB.thinkingisnotnecessary
C.knowledgemeanslittleD.itisnotimportantwhatwelearn
8.Theendoflearningshouldbe.
A.thoughtB.masteryC.inquiryD.analysis
9.Accordingtotheauthor,anotherman’ssuccessshould.
A.makegreatereffortsB.makeusnervous
C.notbetakenintoconsiderationD.causeonetostoptrying
10.Theauthorimpliesbutdoesnotsaywhat.
A.thewaytoknowledgeisthroughspecialization
B.onehastoknoweverythingtobesuccessful
C.successdependsnotsomuchonnaturalabilityasitdoesoneffort
D.successinone’sprofessionislatestimportantinone’slife
胎盘剥离的征象是
正常分娩第三产程的处理,下列哪些正确:
下列哪项不属于肛查了解的范围