1、希赛网(),专注软考、PMP、通信考试更多考试真题及答案与解析,关注希赛网在线题库(http:/ _(56)_ FROMStudents,Teachers WHERE _(57)_ ;b.查询既是女教师,又是研究生且工资大于等于3500元的身份证号和姓名的SQL语名如下:SELECT身份证号,姓名FROMStudents WHERE _(58)_ INTERSECT(SELECT身份证号,姓名FROMTeachers WHERE _(59)_)(56)AAVG(工资)AS平均工资,MAX(工资)-MIN(工资)AS差值B平均工资ASAVG(工资),差值ASMAX(工资)-MIN(工资)CAVG
2、(工资)ANY平均工资,MAX(工资)-MIN(工资)ANY差值D平均工资ANYAVG(工资),差值ANYMAX(工资)-MIN(工资)(57)AStudents.身份证号=Teachers.身份证号BStudents.类别=研究生CStudents.身份证号=Teachers.身份证号ANDStudents.类别=研究生DStudents.身份证号=Teachers.身份证号ORStudents.类别=研究生(58)A工资=3500B工资=3500C性别=女AND类别=研究生D性别=女AND类别=研究生(59)A工资=3500B工资=3500C性别=女AND类别=研究生D性别=女AND类别=
3、研究生考虑下述背包问题的实例。有5件物品,背包容量为100,每件物品的价值和重量如下表所示,并已经按照物品的单位重量价值从大到小排好序,根据物品单位重量价值大优先的策略装入背包中,则采用了()设计策略。考虑0/1背包问题(每件物品或者全部放入或者全部不装入背包)和部分背包问题(物品可以部分装入背包),求解该实例,得到的最大价值分别为_(60)_。(60)A分治B贪心C动态规划D回溯(61)A605和630B605和605C430和630D630和430希赛网(),专注软考、PMP、通信考试更多考试真题及答案与解析,关注希赛网在线题库(http:/ Forexample,theimplement
4、erofaprogram-overlayingfunctionmayrunintoproblemsandreducespeed-relyingonstatisticsthatshowhow_(73)_thisfunctionwillariseinapplicationprograms.Meanwhile,backattheranch,hisneighbormaybedesigningamajorpartofthesupervisorsothatitcriticallydependsuponthespeedofthisfunction.Thischangeinspeeditselfbecomes
5、amajorspecificationchange,anditneedstobeproclaimedabroadandweighedfromasystempointofview.How,then,shallteams_(74)_withoneanother?Inasmanywaysaspossible.Informally.Goodtelephoneserviceandacleardefinitionofintergroupdependencieswillencouragethehundredsofcallsuponwhichcommoninterpretationofwrittendocum
6、entsdepends.Meetings.Regularprojectmeetings,withoneteamafteranothergivingtechnicalbriefings,are_(75)_.Hundredsofminormisunderstangingsgetsmokedoutthisway.Workbook.Aformalprojectworkbookmustbestartedatthebeginning.(71)AstartsBproceedsCstopsDspeeds(72)Achange希赛网(),专注软考、PMP、通信考试更多考试真题及答案与解析,关注希赛网在线题库(http:/