- 問題詳情:已知數列{an}前n項和為,則S15+S22﹣S31的值是()A.﹣57B.﹣37C.16 D.57【回答】A知識點:數列題型:選擇題...
- 6352
- 問題詳情:Everyoneknowsthatfishisgoodforhealth.16 Butitseemsthatmanypeopledon’tcookfishathome.Americanseatonlyaboutfifteenpoundsoffishperpersonperyear,butweeattwiceasmuchfishinrestaurantsasathome.Buying,storing,andcookingfishisn’tdifficult.17Thistex...
- 9940
- 問題詳情:MaketherightchoicesWhatislife’sgreatestgift? 16______Choiceistheabilitytoselectonecourseofactionfromasetofalternativestoachieveagoal.Whatissogreataboutchoice?Ittransformsusfromdumbanimalsintoartists.EachofusbecomesanotherMichelangelo.Choice...
- 11490
- 問題詳情:(﹣81)÷2×(﹣)÷(﹣16).【回答】解:(﹣81)÷2×(﹣)÷(﹣16)=﹣81×××=﹣1.知識點:有理數的乘除法題型:計算題...
- 13834
- 問題詳情: 16 Whatwouldyoubelikeifyouweretotakethecollegeentranceexamtomorrow? 17 Or,worriedanduneasy?“IwassurprisedathowIcouldgetangrysoeasilywithmyparentsbeforeabigexam,”saidaSeniorThreestudentWangYangqianfromBeijing.“Icouldn’tfallasleepe...
- 28604
- 問題詳情:16.Thestorytellerwastellingusastoryinavividway____________________ithimself.(asif)這個講故事的人以一種生動的方式給我們講了一個故事,好像他親身經歷過一樣。17.Anofficialsaysabout3.33millionhectaresofthearea'sfarmland__________________crops.(too…t...
- 20281
- 問題詳情: 16 .Wearetaughthowtoholdaknifeandforkandnottotalkwithourmouthsfull.Wearetaughthowtoshakehandsandwhentostandandwhentositandthewaytointroducepeople. 17 .Almosteverywhereeatingtogethermeansthatpeopleareveryfriendly...
- 14811
- 問題詳情: 16 Yourschooldaysshouldbesomeofthebestandhappiestdaysofyourlife.Howcanyougainthemostfromthem,andensurethatyoudonotwastethiswonderfulopportunitytolearn? Bepositiveaboutschool!Don’tsaythingswhicharedifficultorboring.Beinter...
- 25177
- 問題詳情:16Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show:Planyourtimecarefully.Whenplanningyourwork,youshouldmakealistofthingsthatyouhavetodo.Aftermakingthislist,yoush...
- 23125
- 問題詳情: 16 Safetyinthehighwayisnotsomethingthatistotallyoutofourcontrol.Herearefourwayswecanprotectourselveswhenwetravel. 17 Peopleinsmallcarsareinjuredmoreoftenandmoreseverelythanpeopletravelinginlargecars.Factoriesofsmallcarsarestrengthe...
- 28972
- 問題詳情:計算:(1)-4÷÷16; (2)(-81)÷2÷(-16); (3)(-35)÷÷(-|-9|).【回答】 (1);(2)-1;(3)-7.【解析】(1)原式先將除法轉化為乘法,再根據有理數的乘法法則計算即可得到結果;(2)原式先將除法轉化為乘法,再根據有理數的乘法法則計算即可得到結果;(3)原式先將除法轉化為乘法,再根據有理數的乘法法...
- 27297
- 問題詳情: (16)____Youprobablythinkyouwillneverbeatopstudent.Thisisnotnecessarilyso,however.Anyonecanbecomeabetterstudentifheorshewantsto.Here’show: Planyourtimecarefully.Whenplanningyourwork,youshouldmakealistofthingsthatyouhavetodo.Aftermakingthis...
- 4957
- 問題詳情:It’snormaltowakebrieflyduringthenight. 16 Butifyou’rewakingupduringthenightandhavingtroublefallingbackasleep,thefollowingtipsmayhelp.Stayoutofyourhead.Thekeytogettingbacktosleepiscontinuingtoprepareyourbodyforsleep,soremaininbedinarelax...
- 21316
- 問題詳情:Parentsfeelthatitisdifficulttolivewithteenagers. 16 Accordingtoarecentresearch,themostcommonargumentbetweenparentsandteenagersisthatregardinguntidinessanddailyroutinetasks. 17 Ontheotherhand,teenagerslosetheirpatiencecontinual...
- 13051
- 問題詳情: 16 Ifyouaregrowingtomatoesinyourbackyardforsaleyouareproducingforthemarket.Youmightsellsometoyourneighborandsometothelocalmanagerofthesupermarket.Butineithercase,youareproducingforthemarket. 17 Ifpeoplestopbuyingtomatoes,youwillstopp...
- 19627
- 問題詳情:Question:IhavebeenlearningEnglishforabout7years. 16 AndIstillcan’tmakemyselfunderstoodinEnglish.However,IlovelearningEnglish.HowcanIlearnEnglishwell?Pleasehelpme.Answer:Manypeoplehaveaskedmethisquestion. 17 HereIwillgivey...
- 26642
- 問題詳情:Mostofusleadabusylife. 16_Wethink,“IfIreachedmy goal,thenIwouldbehappy”,or“IfIcouldgetabetterjob,thenIwouldenjoylife.”Butwhynotenjoyliferightnow?Firstly,taketimetonoticeandappreciate thebeautyinyourownsurroundings. 17“Thereisagreatbigwo...
- 20531
- 問題詳情:16 Ateamgetsbetter.Akidpracticesmoreandswimsapersonalbestorlearnsanewmoveonthebasketballcourt.In2006,twothingshappenedthatgotmethinkingaboutchange—insportsandinlife.17Agassiwasaterrificplayerwhowon60titles,includingeightmajorchampionships.B...
- 23097
- 問題詳情:16.____Homecanbeagreatplaceforchildrentostudy.It’simportanttoprovideaworkspaceoftheirownwheretheycanreadbooksorjustwritealettertotheirfriends.●Location(位置)17. Kitchenanddiningroomarenotsowellsuitedforregularstudy,sincebooksandpensget...
- 32420
- 問題詳情:(﹣81)÷2+÷(﹣16);【回答】原式=﹣81×﹣×=﹣36;知識點:有理數的乘除法題型:計算題...
- 23593
- 問題詳情:-16÷4×= .【回答】-1知識點:有理數的乘除法題型:填空題...
- 23935
- 問題詳情:Catsarethosecutecreaturesthatwelovehavinginourhomes. 16 Ifyoudon’tknowtheadvantagesyet,Icanenlighten(啟發)you.Allyougottodoistoreadbelow.Comeon,itisworthyourtime.1.Theyaregreathang-outbuddies(夥伴). Areyoutoosadaboutsleepingaloneeveryni...
- 26266
- 問題詳情: 16 Scientistsandexpertshaveprovedtheuniquenessoffinger-printsanddiscoveredthatnoexactlysimilarpatternispassedonfromparentstochildren,thoughnobodyknowswhythisisthecase.Theridge(隆起)structureonaperson'sfingersdoesnotchangewithgrowthandisno...
- 26569
- 問題詳情:下列有關化學用語正確的是( )A.*氧根的電子式:HB.離子結構示意圖既可以表示35Cl-,也可以表示37Cl-C.NH5的結構與NH4Cl相似,NH5的結構式:D.*烯的結構簡式:C3H6【回答】【*】B【解析】A項、*氧根離子為*離子,電子式為,故A錯誤;B項、由離子結構示意圖可知,該離子的質子數為17,是*元...
- 16060
- 問題詳情:9x2=16【回答】解:(1)∵9x2=16,∴x2=,則;知識點:平方根題型:計算題...
- 13318