Itisobviousthatthesesmallbusinessesare______needoftechnicalsupport. A)inB)onC)withD)to
Itisobviousthatthesesmallbusinessesare______needoftechnicalsupport. A)inB)onC)withD)to
Recyclingwastesslowsdowntherate________whichweuseuptheEarth’sfiniteresources.A)InB)ofC)withD)at
Recyclingwastesslowsdowntherate________whichweuseuptheEarth’sfiniteresources.A)InB)ofC)withD)at
24、在纯Ge中掺入下列（ ）元素，Ge将变为p型半导体。A、InB、SiC、BrD、N
24、在纯Ge中掺入下列（ ）元素，Ge将变为p型半导体。A、InB、SiC、BrD、N
A survey is now being ________ nationwide.A) carried inB) carried toC) carried outD) carried away A: carried in B: carried to C: carried out D: carried away
A survey is now being ________ nationwide.A) carried inB) carried toC) carried outD) carried away A: carried in B: carried to C: carried out D: carried away
She refused to ____ the door key to the landlady until she got back her deposit. A hand inB hand outC hand downD hand over A: A B: B C: C D: D
She refused to ____ the door key to the landlady until she got back her deposit. A hand inB hand outC hand downD hand over A: A B: B C: C D: D
下列有关成熟促进因子(MPF)的叙述哪一条是错误的( ) A: MPF是一种在G2期形成、能促进M期启动的调控因子 B: MPF广泛存在于从酵母到哺乳动物的细胞中，由P34cdc2和Cyc|inB两种蛋白组成 C: MPF是一种蛋白激酶，在细胞从G2期进入M期起重要作用 D: MPF在整个细胞周期中表达量较为恒定
下列有关成熟促进因子(MPF)的叙述哪一条是错误的( ) A: MPF是一种在G2期形成、能促进M期启动的调控因子 B: MPF广泛存在于从酵母到哺乳动物的细胞中，由P34cdc2和Cyc|inB两种蛋白组成 C: MPF是一种蛋白激酶，在细胞从G2期进入M期起重要作用 D: MPF在整个细胞周期中表达量较为恒定
设客户A、客户B与公司保持交易时间均为10年，公司期望每年从客户A处增加的收入为Ina=￥500,从客户B处增加的收入为Inb=￥550,但每年用于客户A的直接服务成本为Csa=￥200,用于B 的直接服务成本Csb=￥300,请用模型一和模型三计算客户A和客户B的终身价值?并分析这两种模型的适用性。
设客户A、客户B与公司保持交易时间均为10年，公司期望每年从客户A处增加的收入为Ina=￥500,从客户B处增加的收入为Inb=￥550,但每年用于客户A的直接服务成本为Csa=￥200,用于B 的直接服务成本Csb=￥300,请用模型一和模型三计算客户A和客户B的终身价值?并分析这两种模型的适用性。
英语(基础模块)第一册(修订版)期中试题I.词汇和语法()1.—What_____areyoutakingthisterm?—Wearetakingmaths,Englishandcomputer.A.majorsB.skillsC.subjects()2.Jimisa(n)______.Heisverycarefulandlikestoworkwithnumbers.A.secretaryB.tourguideC.accountant()3.Myparentsarebothvery______withtheirwork.Theydon’thavetoomuchtimetostaywithme.A.busyB.kindC.careful()4.Alicehopesto_________morefriendsathernewschool.A.visitB.makeC.miss()5.Amyusually________at6:30inthemorning.A.goestobedB.goeshomeC.getsup()6._________isgoodforourhealth.A.StayinguplateB.SleepingC.Gettinguplate()7.Thesubwayisvery________________.A.expensiveB.slowC.fastandcheap()8.It’sexpensiveto___________.A.takethebusB.rideabikeC.takeataxi()9.Ilike_________best.Alltheclothesaremadeofnewspapers.A.thefashionshowB.thetalkshowC.themagicshow()10.—Whatkindsoffilmsdochildrenlikemost?—____________,Ithink.A.CartoonsB.HorrorfilmC.Literaryfilms()11.MygoodfriendTom______goingtotheparkonweekends.A.likedB.likeC.enjoys()12.There_____nowaterormilkinthefridge.A.isB.areC.has()13.Wouldyouliketotake____walkwithme?A.anB.aC.the()14.WewillgotoNewYork_____air______October.A.on;inB.by;inC.in;on()15.Ofthethreebooks,Ilikethe________best.A.newerB.newestC.older()16.EricandTom________haveskilltrainingintheschoolnextmonth.A.aregoingtoB.begoingtoC.isgoing()17.—__________doyougotoseeafilm?—Onceamonth.A.HowlongB.HowmuchC.Howoften()18.Itrains_____thanlastyear.A.fewerB.lessC.much()19.Myparentsoftenaskme________moresportsafterschool.A.doB.doingC.todo()20.Becarefulwhenyou________thestreet.A.arecrossingB.iscrossingC.crossingIII.阅读理解ATwolittlechildrencometoanewcity.TheirnamesarePeterandTom.Certainlytheylivewiththeirparents.Theirfamilyisveryrich.Theyhaveadriverandalotofservants(仆人).PeterandTomaregoingtoanewschool.Onthefirstdaytheirparentssaytothem,“PeterandTom,bemodestatyournewschool.Don’tsaywearerich.”Andtheysay,“Yes,DadandMum.”Sotheygotoschool.Theyseetheirnewteacher.Andtheysitdownwithotherchildren.Theteachersays,“Hello,children!Thefirstexercisetodayisacomposition,MyFamily.”Soeverychildwritesacomposition.ThisisPeter’scomposition.“MynameisPeter.Myfamilyisverypoor.Bothmyfatherandmymotherareverypoor.Ourdriverisverypoorandalltheotherservantsarepoor...”()21.PeterandTom’sfatherisvery______.A.poorB.richC.tall()22.Thesubjectofthecompositionis______.A.MyFamilyB.MySchoolC.MyBrother()23.Thereare______intheirfamily.A.alotofdriversandservantsB.aservantandadriverC.alotofservantsandadriver()24.Peterisa______.A.manB.boyC.teacher()25.Themeaningoftheunderlinedword“modest”inthesecondparagraphis______.A.高兴的B.谦虚的C.努力的BWearealreadyfamiliarwithcomputers—computersworkforusathome,inofficesandinfactories.Butitisalsotruethatmanychildrentodayareusingcomputersatschoolbeforetheycanwrite.Whatdoesthismeanforthefuture?Arethesechildrenluckyornot?Manypeoplewhodonotknowaboutcomputersthinkofthemasmachinesthatchildrenplaywith.Theyworrythatchildrendonotlearnfromexperiencebutjustfrompressingabuttonandthatthisisnotgoodforthem.Theythinkthatchildrenaregrowingnotknowingabouttherealworld.Butpeoplewhounderstandmoreaboutcomputerssaythatcomputerscanbeverygoodforchildren.Acomputercanhelpthemtolearnabouttherealworldmorequickly,tolearnwhattheywanttolearnandthinkforthemselves.Andforthefuture,don’tweneedpeoplewhocanthinkclearly,whoknowhowtogetinformationquicklyanduseitwell?Whatdoyouthink?()26.Computersarewidelyused___________.A.inourlifeB.onlyinofficesC.onlyinschools()27.“Tobefamiliarwith”meansto_______.A.thingaboutB.knowaboutC.use()28.Doeseveryonethinkcomputersaregoodforchildren?A.Yes,theydo.B.No,noteveryonethinksso.C.Theydon’tknow.()29.Whatcancomputershelpchildrendo?A.Tothinkclearly,todohomeworkandtowrite.B.Toplaygames,todomathsandtocopy.C.Tothinkclearly,togetinformationandtouseitwell.()30.Doesthewriterfindthecomputeragoodthing?A.Notmentioned.B.No,hedoesn’tthinkso.C.Yes,hedoes.CAtsometimeinyourlife,youmighthavearoommate.Itisagoodideatoshareaflat,especiallyforstudentsorpeoplewhohavejustfinishedschool,becauseflatsareusuallyexpensive.Andmoneyisnottheonlyreasonforhavingaroommate.Sharingaflatcanbefun.Butlifewitharoommatecanalsobeaterribleexperience.Someexperts(专家)didastudyofcollegestudentswhosharedaroom.Theyfoundthatstudentswhohadproblemswiththeirroommateswerenothappyatschoolandweremorelikelytogetsickthanotherstudents.So,howcanyoulivewitharoommateandenjoyit?Hereissomeadvice:Beingroommateswithafriendcanbehard.Friendsmaybedifferentwhenyoustaywiththemallthetimefromwhenyoudon’tseethemveryoften.So,beforeyouplantosharearoomwithafriend,discussthesituationcarefully.Ifyoudecidetosharearoomwithsomeoneyoudon’tknow,talktoeachother.It’simportanttobehonestaboutyourhabitsandthingsyouhate.Whenyoumoveinwitharoommate,makerules.Decidehowyouwillsharehousework,suchascleaning,washingandshopping.Willyousharefood?IsitOKtohaveguests?Andwhataboutloudmusic?Don’tgetangryatsmallthingsthatyourroommatedoes.Trytoforgettheunhappythingsbetweenyouandyourroommate.Nooneincludingyouisperfect.()31.Whichofthefollowingsisnotthereasonforstudentstoshareaflatandhavearoommate?A.Sharingaflatisnotexpensive.B.Youcanmeetmorefriendswhilesharingaflatwithothers.C.Youcanhavealltheroomsintheflat.()32.Theunderlinedword“likely”inparagraph2issimilarinmeaningto___________.A.happilyB.easilyC.quickly()33.Howmanysituationsdoestheauthordiscussbeforeyouplantosharearoomwithafriendyouinthepassage?A.threeB.fourC.five()34.Whichofthefollowingispolitewhensharingwitharoommate?A.Playmusicloudly.B.Dosomecleaning.C.Oftengobacklate.()35.“Nooneisperfect”meansthat__________.A.Onlyfewpeopleareperfect.B.Notallthepeopleareperfect.C.Nobodycandoeverythingperfectly.IV.情景对话A.用所给句子完成对话。A:Excuseme,Iwanttogotothelibrary.36B:Godownthisstreetandturnrightatthesecondcrossing.Gouptheroadtotheend,youwillfindit.A:37B:It’sabout1,000metresawayfromhere.A:Oh.That’squitealongway.B:Yes.You’dbettertakeabus.A:38B:YoucantaketheNo.5bus.It’lltakeyouthere.A:39B:Ittakesaboutfiveminutes.A:40B:It’smypleasure.A.Howlongdoesittake?B.HowcanIgetthere?C.Thankyouverymuch.D.Howfarisitfromhere?E.WhichbusshallItake?
英语(基础模块)第一册(修订版)期中试题I.词汇和语法()1.—What_____areyoutakingthisterm?—Wearetakingmaths,Englishandcomputer.A.majorsB.skillsC.subjects()2.Jimisa(n)______.Heisverycarefulandlikestoworkwithnumbers.A.secretaryB.tourguideC.accountant()3.Myparentsarebothvery______withtheirwork.Theydon’thavetoomuchtimetostaywithme.A.busyB.kindC.careful()4.Alicehopesto_________morefriendsathernewschool.A.visitB.makeC.miss()5.Amyusually________at6:30inthemorning.A.goestobedB.goeshomeC.getsup()6._________isgoodforourhealth.A.StayinguplateB.SleepingC.Gettinguplate()7.Thesubwayisvery________________.A.expensiveB.slowC.fastandcheap()8.It’sexpensiveto___________.A.takethebusB.rideabikeC.takeataxi()9.Ilike_________best.Alltheclothesaremadeofnewspapers.A.thefashionshowB.thetalkshowC.themagicshow()10.—Whatkindsoffilmsdochildrenlikemost?—____________,Ithink.A.CartoonsB.HorrorfilmC.Literaryfilms()11.MygoodfriendTom______goingtotheparkonweekends.A.likedB.likeC.enjoys()12.There_____nowaterormilkinthefridge.A.isB.areC.has()13.Wouldyouliketotake____walkwithme?A.anB.aC.the()14.WewillgotoNewYork_____air______October.A.on;inB.by;inC.in;on()15.Ofthethreebooks,Ilikethe________best.A.newerB.newestC.older()16.EricandTom________haveskilltrainingintheschoolnextmonth.A.aregoingtoB.begoingtoC.isgoing()17.—__________doyougotoseeafilm?—Onceamonth.A.HowlongB.HowmuchC.Howoften()18.Itrains_____thanlastyear.A.fewerB.lessC.much()19.Myparentsoftenaskme________moresportsafterschool.A.doB.doingC.todo()20.Becarefulwhenyou________thestreet.A.arecrossingB.iscrossingC.crossingIII.阅读理解ATwolittlechildrencometoanewcity.TheirnamesarePeterandTom.Certainlytheylivewiththeirparents.Theirfamilyisveryrich.Theyhaveadriverandalotofservants(仆人).PeterandTomaregoingtoanewschool.Onthefirstdaytheirparentssaytothem,“PeterandTom,bemodestatyournewschool.Don’tsaywearerich.”Andtheysay,“Yes,DadandMum.”Sotheygotoschool.Theyseetheirnewteacher.Andtheysitdownwithotherchildren.Theteachersays,“Hello,children!Thefirstexercisetodayisacomposition,MyFamily.”Soeverychildwritesacomposition.ThisisPeter’scomposition.“MynameisPeter.Myfamilyisverypoor.Bothmyfatherandmymotherareverypoor.Ourdriverisverypoorandalltheotherservantsarepoor...”()21.PeterandTom’sfatherisvery______.A.poorB.richC.tall()22.Thesubjectofthecompositionis______.A.MyFamilyB.MySchoolC.MyBrother()23.Thereare______intheirfamily.A.alotofdriversandservantsB.aservantandadriverC.alotofservantsandadriver()24.Peterisa______.A.manB.boyC.teacher()25.Themeaningoftheunderlinedword“modest”inthesecondparagraphis______.A.高兴的B.谦虚的C.努力的BWearealreadyfamiliarwithcomputers—computersworkforusathome,inofficesandinfactories.Butitisalsotruethatmanychildrentodayareusingcomputersatschoolbeforetheycanwrite.Whatdoesthismeanforthefuture?Arethesechildrenluckyornot?Manypeoplewhodonotknowaboutcomputersthinkofthemasmachinesthatchildrenplaywith.Theyworrythatchildrendonotlearnfromexperiencebutjustfrompressingabuttonandthatthisisnotgoodforthem.Theythinkthatchildrenaregrowingnotknowingabouttherealworld.Butpeoplewhounderstandmoreaboutcomputerssaythatcomputerscanbeverygoodforchildren.Acomputercanhelpthemtolearnabouttherealworldmorequickly,tolearnwhattheywanttolearnandthinkforthemselves.Andforthefuture,don’tweneedpeoplewhocanthinkclearly,whoknowhowtogetinformationquicklyanduseitwell?Whatdoyouthink?()26.Computersarewidelyused___________.A.inourlifeB.onlyinofficesC.onlyinschools()27.“Tobefamiliarwith”meansto_______.A.thingaboutB.knowaboutC.use()28.Doeseveryonethinkcomputersaregoodforchildren?A.Yes,theydo.B.No,noteveryonethinksso.C.Theydon’tknow.()29.Whatcancomputershelpchildrendo?A.Tothinkclearly,todohomeworkandtowrite.B.Toplaygames,todomathsandtocopy.C.Tothinkclearly,togetinformationandtouseitwell.()30.Doesthewriterfindthecomputeragoodthing?A.Notmentioned.B.No,hedoesn’tthinkso.C.Yes,hedoes.CAtsometimeinyourlife,youmighthavearoommate.Itisagoodideatoshareaflat,especiallyforstudentsorpeoplewhohavejustfinishedschool,becauseflatsareusuallyexpensive.Andmoneyisnottheonlyreasonforhavingaroommate.Sharingaflatcanbefun.Butlifewitharoommatecanalsobeaterribleexperience.Someexperts(专家)didastudyofcollegestudentswhosharedaroom.Theyfoundthatstudentswhohadproblemswiththeirroommateswerenothappyatschoolandweremorelikelytogetsickthanotherstudents.So,howcanyoulivewitharoommateandenjoyit?Hereissomeadvice:Beingroommateswithafriendcanbehard.Friendsmaybedifferentwhenyoustaywiththemallthetimefromwhenyoudon’tseethemveryoften.So,beforeyouplantosharearoomwithafriend,discussthesituationcarefully.Ifyoudecidetosharearoomwithsomeoneyoudon’tknow,talktoeachother.It’simportanttobehonestaboutyourhabitsandthingsyouhate.Whenyoumoveinwitharoommate,makerules.Decidehowyouwillsharehousework,suchascleaning,washingandshopping.Willyousharefood?IsitOKtohaveguests?Andwhataboutloudmusic?Don’tgetangryatsmallthingsthatyourroommatedoes.Trytoforgettheunhappythingsbetweenyouandyourroommate.Nooneincludingyouisperfect.()31.Whichofthefollowingsisnotthereasonforstudentstoshareaflatandhavearoommate?A.Sharingaflatisnotexpensive.B.Youcanmeetmorefriendswhilesharingaflatwithothers.C.Youcanhavealltheroomsintheflat.()32.Theunderlinedword“likely”inparagraph2issimilarinmeaningto___________.A.happilyB.easilyC.quickly()33.Howmanysituationsdoestheauthordiscussbeforeyouplantosharearoomwithafriendyouinthepassage?A.threeB.fourC.five()34.Whichofthefollowingispolitewhensharingwitharoommate?A.Playmusicloudly.B.Dosomecleaning.C.Oftengobacklate.()35.“Nooneisperfect”meansthat__________.A.Onlyfewpeopleareperfect.B.Notallthepeopleareperfect.C.Nobodycandoeverythingperfectly.IV.情景对话A.用所给句子完成对话。A:Excuseme,Iwanttogotothelibrary.36B:Godownthisstreetandturnrightatthesecondcrossing.Gouptheroadtotheend,youwillfindit.A:37B:It’sabout1,000metresawayfromhere.A:Oh.That’squitealongway.B:Yes.You’dbettertakeabus.A:38B:YoucantaketheNo.5bus.It’lltakeyouthere.A:39B:Ittakesaboutfiveminutes.A:40B:It’smypleasure.A.Howlongdoesittake?B.HowcanIgetthere?C.Thankyouverymuch.D.Howfarisitfromhere?E.WhichbusshallItake?