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4.Thelittleboybyhisbrotherthismorning.A.wasmadetocryB.wasmadecryC.madetocryD.madetry选哪个?为何不选其他项?5.ItwasbecauseoftheheavytrafficIwaslat
英语
ecause of the
英语翻译Theplanewaslateanddetectiveswerewaitingattheairportallmorning.TheywereexpectingavaluableparcelofdiamondsfromSouthAfrica.Afewhourse
英语
uth Africa.A f
（急）英语高手请帮忙解释一下这些单选（初三被动语态）1chinesebymoreandmorepeopleintheword.2youmaygofishingifyouwork为什么不是havedone3thedoctorlookedoverpetercarefull
英语
d over peter c
请教高手：英语分号引导并列句的省略!“
Whe
nt=0,f(t)variesperiodically,inotherwords,itisinasteadystate;whent=1,f(t)variesnon-periodically,inotherwords,itis
英语
lly, in other
英语题目（初一的）人教版PEP1:Theflowersarein()roomA.theyB.themC.theirD.theirs2:Arethoseerasers?—(),()aren'sA.No,theyB.Yes,theseC.No,thoseD.Yes,the
英语
ose D.Yes,they
设有关系模式:student(sno,same,age,dept),现利用命令:CREATE VIEWStu ASSELECT*FROMStudent WHE
设有关系模式：student(sno，same，age，dept)，现利用命令：CREATE VIEWStu ASSELECT*FROMStudent WHERE dept=“cs”WITHCHECK OPTION创建一个视图。则以下SQL命令中能正确执行的是A． UPDATEStuSET dep
设有关系R(A,B,C)和S(A,B,C),下面的SQL语句:SELECT*FROM R WHEREA<=20UNIONSELECT*FROM S WHE
设有关系R(A，B，C)和S(A，B，C)，下面的SQL语句：SELECT*FROM R WHEREA<=20UNIONSELECT*FROM S WHERE A>=80所对应的关系代数操作，除选择外还有哪一种操作?A．交∩B．差-C．并∪D．笛卡儿积×
HefounditdifficultotherswithEnglish.A.helpB.helpingC.helpedD.tohelpJerryfeelshardtofinishtheworkintwodays.A.itB.thatC.thisD.itsAllthes
其他
o days .A.it B
求解答过程：阅读理解.阅读理解.Likemanyloversofbooks,Maryandherhusband,RichardGoldman,seldomwalkedpastabookstorewithoutstoppingtolookinside.Theyoften
英语
topping to loo
直接改间接!1.DoyouwanttoseethelatestmoviewithmenextSaturday?2.TheyhavechangedtheirtravelplanandwillreachhomenextSunday.3.Well,what'sthename
英语
.3.Well,what's
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