如果曲线 y=f(x) 在点( x,y )处的切线斜率与 x2 成正比，并且此曲线过点(1，-3)和( 2，11)，则此曲线方程为( )。
A、y=x3-2B
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DearMr./Ms,
Mr.JohnGreen,ourGeneralManager,willbeinParisfromJune2to7andwouldliketocomeandseeyou,say,onJune3at2.00p.m.abouttheopeningofasampleroomthere.Pleaseletusknowifthetimeisconvenientforyou.Ifnot,whattimeyouwouldsuggest.Yoursfaithfully,
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Coca-Colafoundthatemployeeswhoparticipatedinwellnessandexerciseprogramsusedfewersickdaysandtendedtobemoreproductiveontheirjobs.
Getoffthetreadmill
This price is ____ of your 5% commission.
SectionB
Directions:Therearetenblanksinthefollowingletter.YouarerequiredtochoosethebestonefromthegivenfourchoicesmarkedA,B,C,andD.Thenwritedownthecorrectanswerinthebrackets.Thissectiontotals10points,onepointforeachblank.
DearMr.Bush
Thankyouforyour1ofJanuary5forourBeautyBrandBlouses.
Wearenowexporting2ofvariousbrands,amongwhichBeautyBrandisthemostfamous.Theyareingreat3abroadandourstocksarerunning4quickly.Theyarepopularnotonlyfortheirnoveldesign,butalsoforthereasonableprices.Weareconfidentthatonceyouhavetriedourblouses,youwillplacerepeatorderswithus5largequantities.
Asyourequested,wearenow6asfollows:
Price:US$600perdozenCIFNewYork
TermsofPayment:BysightL/Ctobeopenedthroughabanktobe7bytheSellers.
Shipment:InMarch2007.
Pleasenotethatwedonotallowanycommission8ourblouses,butadiscountof5%maybe9ifthequantityismorethan1,000dozen.
Theaboveofferismadewithout10andissubjecttoourfinalconfirmation.
Wehopethatyouwillplaceanorderwithusatanearlydate.
Sincerelyyours
()1.A.requestB.enquiryC.acquisitionD.requirement
()2.A.blousesB.womanblousesC.womanshirtsD.ladyshirts
()3.A.needB.wantC.requireD.demand
()4.A.upB.offC.downD.away
()5.A.atB.forC.inD.with
()6.A.orderingB.offeringC.placingD.advising
()7.A.agreedB.approvedC.acceptableD.covered
()8.A.onB.inC.ofD.at
()9.A.providedB.suppliedC.furnishedD.granted
()10.A.promiseB.dutyC.engagementD.onus
