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Blank filling.betweenquoteour caseshipthatsincebe obligedqualify fora quantity ofcompetitiveDearJack,Wehavereceivedyourletterof29thmay,andwelcomeyournew(1)prices.Wenotethattheseare(2)CFRLondon.Arewerightinassumingthatin (3)theywillbeCFRNewcastle?Now(4)youhaveadoptedcontainersforexports,youwillbeableto(5)ourordersinthenewcontainer shipS.SNJAL,whichoperatesregularly(6)NewcastleandDalian.WeencloseourorderZ.533for(7)60tonsofDIOTAIN.Thisorderwouldnormallyhavebeen50tonsbutwehaveincreaseditto(8)_the3%discountonthree20-tonunits.(9)weareparticularlyanxioustoreceivetheRutitleR40,weshould(10)_ifyouwouldarrangefortheimmediateshipmentofthisorder.Faithfullyyours,SarahLee

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Blank filling.suggestcatalogueconsiderationexecptpossiblerequiermentlatterinformationreplacecaptionDearSirs,OrderNO.27Thankyouverymuchforthe(1)orderyouplacedwithusforrotaryprintingpressesModelsPM600andPM800forshipmentinNovember.PM800canmeetallyour( 2),butweregrettotellyouthatweareunabletosupplyPM600fromstock.Foryour(3),the(4)canactuallybe(5)byPM630,ourlatestmodel,the(6)isattachedtothisletterforyour(7).Orwecan(8)shipmentintwolots,thatistosayPM800inNovemberandPM600inJanuarynextyear,whichistheearliest( 9)time.Pleaseletusknowyourdecisionasearlyaspossible.Weare( 10)yourearlyreply.Yourstruly,TimLeeSalesManager

小刘想对Z市人口居住情况进行调查,因此,他把Z市随机的分成了几个情况相似的区域,然后从中选取10个区域并对这些区域的家庭情况进行了全面的调查,在这个例子中,小刘运用的是( )。

A. 分层随机抽样
B. 分群随机抽样
C. 判断抽样
D. 系统抽样

当调查总体容量不大、差异较小时,可采用

A. 简单随机抽样
B. 分层抽样
C. 分群抽样
D. 方便抽样

当调查总体容量大,总体有类别差异时,适合采用

A. 简单随机抽样
B. 分层抽样
C. 分群抽样
D. 等距抽样

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