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（2017年·辽南模拟5）已知等差数列{an}，a1＝﹣ll，公差d≠0，且a2，a5，a6成等比数列． （1）求数列{an}的通项公式； （2）若bn＝|an|，求数列{bn}的前n项和Tn．...
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高三下学期数学《2017年辽宁省辽南协作体高考数学模拟试卷（理科）（5月份）》真题及答案
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一定是等差数列
一定是等比数列
或者是等差数列，或者是等比数列
既不可能是等差数列，也不可能是等比数列
数列的通项公式则此数列是.
公差为2的等差数列
公差为5的等差数列
首项为2的等差数列
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数列的通项公式则此数列
是公差为5的等差数列
是公差为2的等差数列
是首项为5的等差数列
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在等差数列{an}中已知a1=2a2+a3=13则S9等于
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公差为
的等差数列
公差为4 的等差数列
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已知数列{an}是等差数列且a1＝2a1＋a2＋a3＝12.1求数列{an}的通项公式2令bn＝an
数列的通项公式则此数列是.
公差为2的等差数列
公差为5的等差数列
首项为2的等差数列
公差为n的等差数列
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数列{an}的通项公式an＝2n＋5则此数列.
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是公差为5的等差数列
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60
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70
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2016年·东师大净月二模Hetthesouptoseeifhehadputenoughsaltinit.
2016年·长春外国语模拟一假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误涉及一个单词的增加删除或修改.增加在缺词处加一个漏字符号∧并在其下面写出该加的词.删除把多余的词用斜线\划掉.修改在错的词下画一横线并在该词下面写出修改后的词.注意1每处错误及其修改均仅限一词;2只允许修改10处多者从第11处起不计分.DeareditorI'msorrytooccupyyourprecioustimeandIreallywanttotellyouanythingabouttheproblemofsomepeoplekeepingtoomanypetsnowadays.Itaketheproblemmoreandmoreseriouslyforthefollowingreason.Firstofallasitisknowntopeoplepetsmakeloudnoisethattroubleresidentsalot.What'smoreitiswidelyacceptedthatanimalwastepollutestheenvironmentwheremakespeoplequiteuncomfortable.Manyownersliketakingtheirpetstopublicplacewheretheymayfrightenchildrenorevenbitepeople.Themostlyimportantisthatpetscanspreadsomediseasesandthishasattractedmuchattention.TakeallthesefactorsintoconsiderationIsincerelyhopethatIcangethelpfromyouandexpectthemediadosomethingforthis.
2018年·长春一模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下短文.短文中共有10处错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在此符号下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词; 2.只允许修改10处多者从第11处起不计分. DearBill Howtimeflies!Iwentbacktoschoolandbeginmylessonlastmonth.ItwillbetenmonthsbeforeIattendtheCollegeEntranceExaminationthatmakesmeworried.IfailedpasstheEnglishtestlasttermbecauseofIhaddifficultywithit.Iwillnevergiveupanddeterminetogivemyselfthesecondchancetopassthem.Iwillaskmyteachersandfriendsforadvicesonhowtoimproveitandworkoutadetailedplan.BesidesI'llmakefullyuseoftime.Doyouhaveanygoodideas?TellmeorIwillbegratefultoyou. I'mlookingforwardtohearfromyou. Yours LiHua
2017年·吉林省实验三模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. WhenIwasaveryyoungchildrenmyfathercreatedaregularpracticeIrememberwellyearslate.Everytimehearrivedhomeatendofthedaywe'dgreetheratthedoor.Hewouldaskwhowewasandpretendnottoknowingus.Thenheandmymotherwouldhavehadadrinkwhilesheprepareddinnerandtheywouldtalkabouthisdayandhers.Whiletheychatmyfatherwouldliftmysisterandmeuptositinthetopofthefridge.Itwasbothexcitedandfrighteningtobeupthere!MysisterandIthoughthewassocoolforputtingusthere.
2016年·东师大净月二模ToctheendofourexamsmyfriendsandIwenttoafastfoodrestaurant..
2017年·吉林省实验二模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.作文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号^并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1每处错误及其修改均仅限一词 2只允许修改10处多者从第11处起不计分. Asweallknoweveryonehaveadream.IhavedreamedofbeingadoctorsinceIenteredintotheprimaryschoo1.Nowadayswithmodernlifegorapidlymanypeoplesufferfromdifferentkindofdiseasesbothmentallyandphysically.Asaresultdoctorsareingreatneedathomeandabroad.Mydreamistobecomesuccessfuldoctorhelpingtosavepeople'slives.Althoughtobeagooddoctorwasverydifficult.IwilldowhateverIcantokeepeveryonehealth.TomakemydreamcometrueIhavetoldmeoverandoveragainthatI'llconcentratemoretostudies.Afterallonlybyworkinghardlycanonesucceed.
2016年·东师大模拟六假定英语课上老师要求同桌之间交换修改作文请你修改你同桌的以下作文.文中共有10处语言错误每句中最多有两处.每处错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均只限一词 2.只允许修改10处多者从第11处起不计分. DearXiaoMing Iamdelightingtolearnthatyouaregoingtovisittomeduringtheweek﹣longvacation.BothmyparentwillalsobeveryhappytoseeyoubutI'msureyouwillenjoyeveryminutehere. Iknowyouarefondofswimming.Wecangoswimmingintheriverthatliesnotfarawayfrommyhome.Ithinkthiswillbeverypleasanttoswiminsuchhotsummerdays.Ineverybigroomofmyhomethereisair﹣conditioner.YoucanwatchTVplayCDsorreadbooksverycomfortableathome.Abouttwomilesawayfrommyhomestoodamountainwhichisreallyworthtoured.Whenweclimbtothetopofthemountainwecanhaveawonderfulviewofthewholevillage. Yours ZhangYing.
2017年·吉林三模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏词符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词; 2.只允许修改10处多者从第11处起不计分. ThisafternoonIwenttothebookstorenearmyhouseonlyfinditwasclosed.JustthenInoticedaschoolboywalkinginfrontofme.Whenhepassedbyawhitewallhelefttwofootprintsonit.Anoldmanwhosawthathadhappenedshoutedathimangry.Theboyfeltafraidorranawayquickly.Afewminuteslateranotherboyspassedbythewhitewallandsawthefootprints.Hethoughtforamomentandtookoutofapencilfromhisschoolbag.WhileIwaswonderedIsawtheboypaintingthepandaonthewall.Andthefootprintsbecomethepanda'sblackeyes.WhatasmartboyIwas!
2016年·吉林四模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下短文.短 文中共有10处错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加:在缺词处加一个漏词符号∧并在其下面写出该加的词. 删除:把多余的词用斜线\划掉. 修改:在错的词下画一横线并在该词下面写出修改后的词. 注意:1.每处错误及其修改均仅限一词; 2.只允许修改10处多者从第11处起不计分. OneyearagoIwasingreattrouble.IworkedhardatEnglishanddevoteallmysparetimetoit.AndIfailedtopassthemidtermexamination.Ifeltextremedisappointed. SoIaskedmygrandpaaboutadvicewhenIwenthome.HearingthatItoldhimhesaidexaminationsresultedfromanumberofcause.Wecouldn'tjudgetheirimprovementonlybyoneexamination.Heencouragedmetokeepingonworkinghardforlongtimetocheckmyresults. Itookmygrandpa'sadvice.AsaresultnowmyEnglishisnotmuchbetterthanbefore.FrommyexperienceIfeelthatweneedadvicefromoldergenerations.
2016年·长春外国语模拟一Forthispartyouareallowed30minutestowriteacompositiononthetopicInformationSecurity.Youshouldwriteatleast120wordsfollowingtheoutlinegivenbelowinChinese.1.信息安全问题日益重要2.信息安全事故可能导致的危害3.如何做到信息安全
2015年·吉林三模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下短文.短文中共有10处错误每句中最多有两处.错误涉及一个单词的增加删除或修改. 增加在缺词处加一个漏词符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下画一横线并在该词下面写出修改后的词. 注意1每处错误及其修改均仅限一词; 2只允许修改10处多者从第11处起不计分. LastmonthmybrotherandIvisitedNanjingandwestayattheCentralHotelforaweek.Itisinthecenterofthecitybutitiseasytogotoanywherefromthehotelbybus. Welivedincomfortabledouble﹣roomwithabigbath.ThatIlikedbestwasthefreehigh﹣speedInternetconnectionintheroom.Icheckedmanyemailmessageeveryday.IalsosharedformyfriendsmanyphotostakinginNanjing.Thefoodwaswonderfullywithreasonablepricesandweenjoyedseverallocaldishes. ItissuchagreathotelthatI'llrecommendittoanyfriendofmewhoisgoingtoNanjing.
2015年·长春三模假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. DearMum Thisafternoonourteacheraskeduslistwhatourparentshaddoneforus.Iwritedownalotofgoodsides. Timepassesquicklyisn'tit?ItisthreeyearswhenIbecameahighschoolstudent.LookingbackontheprogressesthatIhavemadesofarIreallyappreciateforyoursupport.IknowthatwithoutyourproperlyguidanceIwouldnothavedonesowell.Howeverwhatstillmakesmepuzzlingishowtomakemydreamtogotothetopuniversitycometrue.PleasecontinuetolendIahand.Ireallyneedyourhelp. Kate.
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