2022-2023学年高三一轮复习摸底测试卷语文一衡水金卷先享题,收集并整理关于2022-2023学年高三一轮复习摸底测试卷语文一衡水金卷先享题得系列试卷及其答案,查看更多衡水金卷先享题摸底卷完整的试卷及其答案请关注WX公众号:趣找答案
1、2022-2023学年高三一轮复习摸底测试卷语文一衡水金卷先享题
2、衡水金卷先享题2022-2023高三一轮复习摸底测试卷理数(二)答案
3、衡水金卷先享题2022-2023高三一轮摸底卷语文三
17.解:(1)设等差数列{an}的公差为d由题意得a1+d+a1+5d=18,mn(2a1+6d=181a1+3d+a1+9d=30,(2a1+124=30解得3(2分)d=2所以an=2n+1(3分)又由题意得b1=a1-1=2,b2=a2-1=4,b3=a41=8所以{bn}是首项为2,公比为2的等比数列,所以b,=2n.(6分)7(2)由(1)可知c(8分)b所以Sn=c1+c2+c3+…+c所以S,52n-12n+1+①-②得,2S,=2+2×(2+2+…+17n+1(1+-十一,+…22n-+1212n_2n+52n+5所以Sn=5(12分
(Text1)W:Sohowwillyougototheairport,Mike?M:Iplannedtogotherebysubway,butIhavetoomuchbaggage.SoIlltakeataxiinstead.(Text2):Tom,youseethoseboysoverthere?Theyneedanotherplayerforabasketballgame.Wouldyouliketojointhem?M:No.I’dratherstayhereandtakephotosoftheflowers.(Text3)W:Howdidthebasketballgamegotoday?M:Verywell.Wewonit.Butitwashardwork.Ireallyneedarestnow.W:Yeah.Icanseethat.Whynotgoandtakeashower?Itcanhelpyougetrelaxed.(Text4)W:Sowhatareyougoodatdoing,Jim?M:ImgoodatwritingandIalsoremembernewwordsveryfast.Whataboutyou?W:Idowellinsolvingdifficultmathsproblems,and.Lalsorememberneople’sfaceswell.sor(Text5)W:Allright.Wepromisedeachotherwe’dgetthisreportdonetoday.Let’sstart.M:Oh.it’ssuchabeautifulday.Can’twegofora:Oh,itssuchabeautitwalkanddothislater?W:No,we’Ilneedtoreturnthesebookstothelibrarybyfiveo’clock.Wereallyhavetodothisnow.(Text6)W:Benthankyouforhelpingmewiththechildren’snames.M:That’sOK,Michelle.Imhappytohelp.Look.that’smysister,Sophieshestheonewiththelongredhairlisteningtomusiconthegrass.W:Andwhoisthatboy,Ben?TheonewiththeM:ThatsDanny.Helikesreadinghistorybooks.Ohlook,there’sJane.W:Thegirleatingtheapple?………………….M:No,thegirlwithlong,goldenhair.Sheistalkingonhermobile.(Text7)W:Charles,whatareyoudoing?M:Imsearchingformaterialforaschoolpaperaboutbodylanguage.W:Sodoyouthinktheuseofbodylanguageisimportant?M:Ofcourse.Thisarticlesaysthatwhatwereceivecanbebrokendownas:10%fromwhatthepersonactuallysays;40%fromthetoneandspeedofvoice;50%isfromtheirbodylanguage.W:Soundsinteresting!Sowhenwillyouhandinryourpaper?M:NextMonday.I’llhavetofinishitthisweekend.W:SoyoucannotgotoSara’sbirthdaypartythisSaturday.M:You’reright.Ihopeyouhavefuntomorrow.(Text8)W:Atonly20yearsold,RickLawrenceisoneofthemostsuccessfulfashiondesignersinthecountry.Welcome.M:Thanks.W:First,canyoutellushowyoustartedyourcareer?M:Well,IusedtogotoafashionclubatthelocalYouthCentre.AfterawhileIstartedmakingupmyowndesigns.AndthenGBTVwasrunningafashioncompetition,withjudgesfromtheLondonCollegeofFashion.Ienteredandwonfirstprize!W:Wereyourfamilyhappyaboutyougoingintothefashionbusiness?M:Well,myfatherwantedmetobecomeateacher.Andmyolderbrotherthoughtitwasdifficult.ButmyartteacheratschoolsupportedmealotbylettingmeusehisstudioW:Sowhichachievementareyoumostproudofsofar?MIt’sprobablythetimewhenIwasontheSixoclockNewsonChannel4.Theydidapieceonme.WhatIreallywanttodointhefutureisworkwithsomeonelikethefamous