![在等差数列{an}中，a3+a4+a5+a6+a7=45，则S9=（ ） A．18B．45C．63D．81]( "在等差数列{an}中，a3+a4+a5+a6+a7=45，则S9=（ ） A．18B．45C．63D．81")
- 问题详情：在等差数列{an}中，a3+a4+a5+a6+a7=45，则S9=（）A．18B．45C．63D．81【回答】解答：解：∵等差数列{an}中，a3+a4+a5+a6+a7=5a5=45，∴a5=9；∴S9===9a5=81．故选D．知识点：数列题型：选择题...
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![81.With]( "81.With")
- 问题详情：________________________________________,someanimalsarefacingthedangerofdyingout.(cut) 由于越来越多的森林被砍伐,一些动物正面临着灭绝的危险。larly____________________________________________Americanfilmsevermade,TheGodfatherisamilestoneofcine...
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![81.Thefarmersinthisareahadagoodharvestlastyearthanks...]( "81.Thefarmersinthisareahadagoodharvestlastyearthanks...")
- 问题详情： 81.Thefarmersinthisareahadagoodharvestlastyearthankstothes_____________farming. 82.Hewasa____________________inthebook. 83.Hefinishedhisworkinap__________________（积极的）way. musttryto_________________（分析）thecauseso...
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![（﹣81）÷2+÷（﹣16）；]( "（﹣81）÷2+÷（﹣16）；")
- 问题详情：（﹣81）÷2+÷（﹣16）；【回答】原式=﹣81×﹣×=﹣36；知识点：有理数的乘除法题型：计算题...
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![81.Theyfoundtheremainsofbuildingburiedb]( "81.Theyfoundtheremainsofbuildingburiedb")
- 问题详情：81.Theyfoundtheremainsofbuildingburiedb____________(在…下面)thesand.82.Iamsuggestingtoyouthatthereisa______________(区别))betweentruthandso-calledreality.83.Thenewly-builtrailwaywillbe___________（官方，正式）opentothepublicnextmonth.84.Thecampaig...
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![81.Iknow]( "81.Iknow")
- 问题详情：81.Iknow______________(肯定地)howIcansolvetheproblem.82.Godhelpsthosewho_____________(依靠)themselves.83.Allthemoneyhehadhadbeen_________________(用完),sohehadtomakealivingby begging.84.Weshouldmakeupourmindsto________________________(除掉...
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![WASP-18b造句怎么写]( "WASP-18b造句怎么写")
- WASP-18bisroughly10timesthemassofJupiter,anditorbitsonlyabout3millionkilometersfromitsstar.WASP-18b,whichwasdiscoveredwithtwintelescopeslocatedintheCanaryIslandsandSouthAfrica,islocatedabout400light-yearsawayintheconstellationPhoenix.WASP-18b位于大约...
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![81.Paul]( "81.Paul")
- 问题详情：____ ____ (把手伸进）hispockettogethisphone.finishedtheworkonhisown____ ____ (因为）nobodyhelpedhim.83.____ ____ ____ (不是每一种）of birdcanfly.Saxons'svictoryabout600yearsearlier ____ _____ old English _______Celtic(导致古...
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![81.Thesungivesofflightandwarmth,thatmakesitpossibleforp...]( "81.Thesungivesofflightandwarmth,thatmakesitpossibleforp...")
- 问题详情：81.Thesungivesofflightandwarmth,thatmakesitpossibleforplantstogrow.82.Whenandwherewillthenextmeetingheld?83.Notonlytheteacherbutalsothestudentshastheireyesexaminedregularly.84.Theyoungmanishighthoughtofbyhisboss.85.Themanwhowasinthechargeofth...
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![（﹣81）÷2×（﹣）÷（﹣16）.]( "（﹣81）÷2×（﹣）÷（﹣16）.")
- 问题详情：（﹣81）÷2×（﹣）÷（﹣16）.【回答】解：（﹣81）÷2×（﹣）÷（﹣16）=﹣81×××=﹣1．知识点：有理数的乘除法题型：计算题...
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![81.Hebrokedownthe]( "81.Hebrokedownthe")
- 问题详情：81.Hebrokedownthe_________(壁垒)thathadexistedbetweenracesandstylesofmusic.82.Their_________(complain)seemsillynow,butbackthenrockandrollwasallthemorepopularwiththeyouthbecauseparentsandgrandparentsdidn’tlikeit.83.Earlypicturesofthegroupshow...
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![16x2＝81；]( "16x2＝81；")
- 问题详情：16x2＝81； 【回答】x＝±； （知识点：平方根题型：计算题...
- 30273
![81.Canyout]( "81.Canyout")
- 问题详情：81.Canyout____________（忍受）suchalongperiodofworktime?82．Inordertomake____________(准备)forthecomingcompetition,hedevoteshissparetimetoreadingeveryday. aref____________tousemobilephonesinschool. 84.Janetoldmethatshewasnotinterestedin______...
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![81.Thosewhob]( "81.Thosewhob")
- 问题详情：81.Thosewhob___________theircountrieswerehatedbyallthepeople.82.Theirteamiss___________,andit’shardforustobeat them.83.Alicemusthavedonesomethingwrong,becauseshe’slookingsog__________84.Boysandgirlshavedifferenta________________towardsfrie...
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![81.Theteamp]( "81.Theteamp")
- 问题详情：81.Theteamp___________whentheyrealizedtheywerelostandindanger.82.Christmasisaroundthecorner.It’stimetoputsomed______ ontheChristmas trees.83.Thebookistoodifficult!I’mafraidIwon’tbeabletoreadit.Doyouhaveacopythathasbeens_________.84.Thewi...
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![Iwenttoseethefilmaftersupper.Onmywaytothe 81.]( "Iwenttoseethefilmaftersupper.Onmywaytothe 81.")
- 问题详情：Iwenttoseethefilmaftersupper.Onmywaytothe 81._______________cinema.ImetanEnglishwoman,wholostherway. 82._______________Igaveupthechanceseethefilmandtookhertoher 83._______________hotel.Whilegot...
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![81.Itisc]( "81.Itisc")
- 问题详情：81.Itisc_______________ofmybosstoallowmetohaveadayoffonMother’sDay.82.Youcan’texpectthatalltheproblemscanbe____________(解决)inaveryshorttime.83.Ana________________mustbemadebeforeyouseeyourdoctor.84.Mariaisconstantlymakingefforts;she______...
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![10Iliveinasmalltowninthesouth.Thisistypical 81.]( "10Iliveinasmalltowninthesouth.Thisistypical 81.")
- 问题详情：10Iliveinasmalltowninthesouth.Thisistypical 81.________________Chinesetown.Therearenotonlytwomainstreets 82.________________whichacrossinthemiddleofthetown.Aroundthe 83.________________townstandahigh...
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![81． WhenIwaslittle,Friday’snightwasourfamilygamenight...]( "81． WhenIwaslittle,Friday’snightwasourfamilygamenight...")
- 问题详情：81． WhenIwaslittle,Friday’snightwasourfamilygamenight.Aftersupper,wewouldplaycardgamesofallsortinthesittingroom.Asthekid,Ilovedtowatchcartoons,butnomatterhowmanytimesIaskedtowatchingthem,myparentswouldnottoletme.Theywouldsaytousthatplayi...
- 20559
![4x2=81；]( "4x2=81；")
- 问题详情：4x2=81； 【回答】解：∵x2=，∴x=±=±；知识点：平方根题型：计算题...
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![3x3=-81]( "3x3=-81")
- 问题详情：3x3=-81【回答】知识点：平方根题型：计算题...
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![81.Farmworkersspendmostoftheirtime]( "81.Farmworkersspendmostoftheirtime")
- 问题详情：81.Farmworkersspendmostoftheirtime_____________.(在户外)82.Weusuallygooutforawalkat__________.(黄昏)83.Idideverythinginmy____________(能力；力量)tohelpyou.84.BillandIoften____________(不同意；有分歧)butwearegoodfriends.85.It’stimeto_____________...
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![81.Itmakesasensetoworkontheproblembeforeitgetsoutofcont...]( "81.Itmakesasensetoworkontheproblembeforeitgetsoutofcont...")
- 问题详情：makesasensetoworkontheproblembeforeitgetsoutofcontrol.rbinginthebookshewasreading,sheforgotlunch.teachercuredhimhisbadhabitsandhemadegreatprogressinEnglish.[Z-X-X-K]hertheteachernorthestudentsiscontentwiththeresult.’tblameyouownfaultinothers...
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![81.It’sthefirsttimethatIhadseenthemoviestarfacetoface.8...]( "81.It’sthefirsttimethatIhadseenthemoviestarfacetoface.8...")
- 问题详情：81.It’sthefirsttimethatIhadseenthemoviestarfacetoface.82.EnglishisoneoftheofficiallanguageusedinIndia.83.Althoughhetriestotalktomyclassmates,butIstillfindithardtomakefriendswithhim.84.Believingitornot,thereisnosuchthingasstandardEnglish.85.A...
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![81. ...]( "81. ...")
- 问题详情：81. Inagesturetohelppreservehistory,theGreekgovernmenta ▲ acommitteetoundertakeacompleterepairoftheAcropol...
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