炎德英才大联考长沙一中2024届高三月考试卷(六)数学.考卷答案

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炎德英才大联考长沙一中2024届高三月考试卷(六)数学.考卷答案试卷答案

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25.Whatdotheunderlinedwords"Mole,Ratty,BadgerandMrTond"inParagraph3referto?B.Theauthor'sclassmates.A.FictionalcharactersD.MrDoyle'scolleagues.CBooktitles.B.Pansionateandwell-trained.26.WhichofthefollowingwordsbestdescribeJohnDoyle?A.Caringandmildmannered.D.Dynamicandunconventional.C.Talentedandsympathetic.Whattypeofwritingisthistext?D.Afantasystory.27.C.Aletter.A.Abiography.B.Ablogpost.Ifyouthoughtteenagebullyingwasaboutsomeone'sbagbeingthrownonthescienceblockrooformalicious()exchangesonSnapchat,thenyouneedtomeetNatashaDevon,aleadingmentalhealtheducatorinBritishschools.Shesaysture.AndthatanincreasingnumberofgirlsareaskingforhelpwithhiddenformsofbullyingInthelatestgovernmentstudyof10000pupils,boysaged15and16werelessoftenwithinfriendshipgroups.secondarysn'twell-likelytobebulliedthanadecadeagobutgirlshavereportedariseinissuessuchas炎写).T0name-calling,socialexclusionandcyberbullying.aflat-outGirl-on-girlbullyingdoesn'tonlyhappeningirls'schools,stressesDevon:"Iwantedtoseegirls'poisonousfriendshipsinalltheschoolsIvisit-mixed,girls',stateandsatlunchTypically,beinginapoisonousfriendshipcanwearonagirl'sself-esteem.private,”wasourShewillfollowtheother'sadviceondietanddressingandappearstobeforgoingud-theirherownambitionstopleaseherfriend..Herfriendundermines(暗中打击)herwithernoon-seeminglysupportivebutslightlyabusivecomments,leavinghertothinkshe'stheallcameonewiththeproblem.This,explainsDevon,istypical"gaslighting".musicofAnotherbehaviour,saysDevon,is"topping";whenagirlsharessomethingntothedifficultthat'shappeningtoher,andthefriendrespondswith,"Oh,everyonetheskygoesthroughthat",essentiallytryingtobelittlethem.Sowhatcanparentsdotosupporttheirdaughters?"TellingyourchildwhatrDoyletodoveryrarelyworksaftertheageof11,"Devonsays,"Butitwillsinkinandmonthsgiventimetheymayactonit.Advisethemtotalktotheirfriendsinaneutralstruck.spacepreferablyadayafteranincident."“Whenconfrontingtheirfriends,theyshouldconfine(限制)ittotheiryoungexperienceIfeellikethis-ratherthanmakingaccusations-Youdidthis.'dioandTheyalsoneedtobepreparedtostepawayfromthefriendorgroup,perhapsforafewmonthsorperhapsforever."Devonadds.28.Whatcanweinferaboutteenagebullying?A.Itisonthedecline.B.Ittendstobephysical.C.Ittakesondifferentforms.D.Itisuniquetogirls'schools.29.Whatdoestheunderlinedword"forgoing"meaninParagraph4?A.Abandoning.B.Fulfilling.C.Pursuing.D.Sharing.2023届·普通高中名校联考信息卷(月考三)·英语5

分析求出函数的导数,利用切线方程,求出斜率,求出p,然后求解抛物线的准线.

解答解:抛物线x2=2py,(p>0)在x=1处的切线方程为2x-2y-1=0,斜率为:1,
x2=2py可得y=$\frac{1}{2p}{x}^{2}$,y′=$\frac{1}{p}x$,
可得$\frac{1}{p}=1$,∴p=1,
抛物线的准线为:y=-$\frac{1}{2}$.
故选:C.

点评本题考查函数的导数的应用,切线方程的求法,抛物线的简单性质的应用.