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共找到 47445 与11-year-oldboy 相关的结果，耗时5 ms
STATA求助一堆样本,每个样本的变量有y,x,year,其中x的值取0或1,year的值取2001,2002或2003现在想分别估计每一年x=0时y的均值和x=1时y的均值之差,以及这个差值的标准差,以及这个差值95%置信区间的
数学
Theyfollowedthecarontheirbikes这里的on为什么不用by问题来自下文OneThursdayafternoon,whenfive-year-oldgirlJocelynRojaswasplayinginhergrandmother’sfron
英语
randmother’s f
AsenseofhumorisjustoneofthemanythingssharedbyAlfredandAnthonyMelillo64-year-oldtwinbrothersfromEastHavenwhomadehistoryinFebruary2002.O
英语
de history in
I.wish.it.(is.)spring.all.the.year.round此处虚拟与现在时相反为什么不用was./would...I.wish.it.(is.)spring.all.the.year.round此处虚拟与现在时相反为什么不用was./would.
英语
dateserial函数的问题例如问本年度日期,用dateserial(year(date()),他和year(date())有什么区别?总是搞糊涂
其他
(NEWYORK)AFrenchtouristhighlypraisedforrescuingatwo-year-oldgirlinManhattansaidhedidn’tthinktwicebeforedivingintothefreezingEastRiver.T
英语
the freezing E
Sixteen-year-olds（）spendmoretimereadingbooksinsteadofsurfingtheInternet.是填need还是needto?为什么?好像两个都对?Sixteen-year-olds作主语时是不是谓语动词要用单数，所以是不
英语
谓语动词要用单数，所以是不是
13-year-oldAmericanboytriestoclimbMountEverestJordenRomeroisa13-year-oldboyfromCaliforniatheUSE.Hehasabigdream--toclimbMountEverest.Inf
英语
climb Mount Ev
Howdotheteenagers(青少年)oftodaywanttowear?Weaskedfourteenagers:13-year-oldMarlaand15-year-oldGraceDavidandRyan.Allthefourknewwhattheywant
英语
n. All the fou
Eighty-year-oldretiredtailorJamesMcKayspentSaturdaynightinjailafter36thirty-year-oldKeithSmithoverthehead37hiswalkingstick．McKay’swifeL
英语
his walking s
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