衡水金卷先享题2025答案网2023—2022衡水金卷先享题高三一轮复习摸底测试卷英语(一),收集并整理关于2023—2022衡水金卷先享题高三一轮复习摸底测试卷英语(一)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、2023—2022衡水金卷先享题高三一轮复习摸底测试卷英语(一)
2、衡水金卷先享题2022-2023年度高三一轮复习摸底测试卷英语(一)
3、衡水金卷先享题答案2023高三一轮复习摸底测试卷物理
22(1)由p(1-cos20)=8c0s0得psin20=4cos0,所以p3sn20=4pcos0,由pcos=x,psib=y,得曲线C的直角坐标方程为y2=4x当直线在x轴正半轴及y轴正半轴截距相等时,tana=-1x=l+cosa得=tana=-1,所以x+y=2,y=l+sina即此时直线l的直角坐标方程为x+y-2=05分(2)当a=三时,直线1的参数方程为√3,(t为参数)(52x-304、9将直线l的参数方程带入y2=√3√3P4P4112的分3
W:Youknow,sheretiredlastyearandI’mleavingfortheuniversitysoon.Sheneedstofindsomethinginterestingtodo.M:Well,maybe,ifit’swhatshewants.Text8M:Dearlisteners,fortoday’sshow,Ihavewithmycolleague,MaryLaney.ShehasbeenaradioTVreporterformanyyears.Mary,welcometoourshow.W:It’sapleasuretobehere.M:Wouldyoupleasetellourlistenerswhomostinfluencedyourdecisiontobecomeareporter?W:Bothmyparentshadagreatinfluenceuponmychoicesofwork.Insteadoftryingtopickoutajobforme,theyhelpedmelearnthosethingsthatledmetoit.M:Howdidtheydothat?W;MyfatheralwaystoldmethataneducationwasoneofthegreatestadvantagesIcouldhave,onethatwouldalwaysstaywithme.Heusedtotellmethatreaderswereleaders,andencouragedmetoreadallIcould.Asaresult,I’vealwayskeptupwiththenewspapers,faithfullyreadnewsmagazinesandlearnedtoreallyenjoybooks,allofwhichhavebeenaninvaluablehelptomeinradioandtelevisionreporting.MWhataboutyourmother?W:Well,mymotherhelpedmeinamuchdifferentway.Text9M:Weallknowthatexerciseisgoodforus.Butsometimesitseemstoohardtoleavethesofa.W:Icanseethat.Youseldomdoexercise.M:Plus,havingthedoctortellustogettwoandahalfhoursofexerciseaweekdoesn’treallyhelpourmotivationmuch.W:Don’tbediscouraged.Now,anewstudysuggestsgettingbenefitsfromexercisedoesn’thavetobethatdemanding.JacobSattelmair,fromHarvardUniversity,hasdoneastudyintohowmuchexerciseisneededtolowertheriskofheartattacks.M:Hmm…interesting.W:Thestudyshowedthatpeoplewhoputin300minutesaweekofexercisehada20%lowerriskofdeathduetoheartdisease.Still,thepeoplewhoexercise150minutesaweekdidprettywell,too,loweringtheirdeathriskby14%.M:Andwhataboutthepeoplewhoexercisehalfasmuchasthat,likewhatIprobablydo?Doesthathelp?W:Ofcourse.Even15minuteswouldhelp.Text10W:Hereisapieceofnewsforbirdlovers.Scientistshavepaintedalongroadred,yellow,andwhite.Theyhopetodiscouragetheseabirdsfromwanderingontothehighway.”Theareaishometolargecrowdsofbirdsthatcometostayfortheseason.Youngbirdsareoftenattractedtothewarmroadsurfaceandgetkilledbythetraffic,”biologystudentHannahtellsthebroadcaster.Theyoungsters’feathersarebrownincolor.Thedark-coloredroadsurfacemakestheyoungstershardtobenoticed.Asthenumberoftouristshasgrown,sohastheamountoftrafficontheroads.BiologistKristinsaystheplanistoseehowthebirdsrespondtothemulti-coloredroadthissummer.Andifitworks,theideacouldspreadtootherpartsofthecountry.
