单项选择题
A、 .SQL
B、 .PLL
C、 .PLD
D、 .PRT
单项选择题 Youarecreatingasalesdatatemplateandneedtoaddapicturetothemargin.Whatisthebestwaytoaddthismargin?（）
单项选择题 Youneedtoaddapop-upmenutotheCV_EMPcanvastodisplaywhenauserright-clicksthemousewithinthecanvas.Howcouldyoucreatethepop-upmenu?（）
单项选择题 Youaredevelopingabonusreportforthepayrollapplicationtocalculateanddisplaythebonusissuetoeachenvelope.Employeeswithasalaryoflessthan50000$earnabonusof15%andtheemployeeswhoearn50000$ormoreearnout10%bonus.Whichtypeoftriggerwouldyouusetoconditionallyassignabonuspercentage?（）