数据库事务日志的用途是什么?
A、事务处理B
暂无解析
Directions:
Thissectionistotestyourabilitytounderstandshortdialogues.Thereare5recordeddialoguesinit.Aftereachdialogue,thereisarecordedquestion.Boththedialoguesandquestionswillbespokenonlyonce.Whenyouhearaquestion,youshoulddecideonthecorrectanswerfromthe4choicesmarkedA,B,CandDgiveninyourtestpaper.ThenyoushouldmarkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.
1、A.Thereisnopaper.
B.Themancanusetheprinter.
C.Theprinterdoesn'twork.
D.Themanhastopayfirst.
2、A.Hehasgotanewjob.
B.Hehasgotapayrise.
C.Hehasbeenpromoted.
D.Hehasboughtanapartment.
3、A.Sellacar.
B.Rentacar.
C.Repairacar.
D.Buyausedcar.
4、A.Hedoesn'tlikethecolor.
B.Hedoesn'tlikethestyle.
C.Itistoosmall.
D.Itisofpoorquality.
5、A.Thechiefengineer.
B.Thereceptionist.
C.Theofficesecretary.
D.Thesalesmanager.
在photoshop6中提供了哪些图层合并方式:
下列哪个命令用来调整色偏:
下面哪些是文字图层中抗锯齿的类型:
在photoshop中有哪几种锁定图层功能