高三春季招生考试数学.docx
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高三春季招生考试数学
2019-2020年高三春季招生考试(数学)
考生注意:
1.答卷前,考生务必在答题纸上将姓名、高考准考证号填写清楚,并在规定区域内贴上条形码.
2.本试卷共有23道试题,满分150分.考试时间120分钟.
一、填空题(本大题满分56分)本大题共有14题,考生应在答题纸相应编号的空格内直接填写结果,每题填对得4分,否则一律得零分.
1.函数的定义域为__________________。
2.若集合
,则=_____________。
3.在△ABC中,,则=_______________。
4.若行列式,则=____________。
5.若,则=____________。
(结果用反三角函数表示)
6.的二项展开式的常数项为_______。
7.两条直线与的夹角的大小是________。
8.若为等比数列的前n项的和,,则=_________________。
9.若椭圆C的焦点和顶点分别是双曲线的顶点和焦点,则椭圆C的方程是_____________。
10.若点O和点F分别为椭圆的中心和左焦点,点P为椭圆上的任意一点,则的最小值为___________。
11.根据如图所示的程序框图,输出结果i=___________。
12.xx年上海春季高考有8所高校招生,如果某3位同学恰好被其中2所高校录取,那么录取方法的种数为____________。
13.有一中多面体的饰品,其表面右6个正方形和8各正三角形组成(如图),AB与CD所成的角的大小是_______________。
14.为求方程的虚根,可以把原方程变形为
,
由此可得原方程的一个虚根为________。
二、选择题(本大题满分20分)本大题共有4题,每题有且只有一个正确答案,考生应在答题纸的相应编号上,将代表答案的小方格涂黑,选对得5分,否则一律得零分.
15.若向量,则谢列结论正确的是()
A..B..
C..D..
16.的图像关于()
A.原点对称.B.直线对称.
C.直线对称.D.y轴对称.
17.直线与圆的位置关系是()
A.相交或相切.B.相交或相离.
C.相切.D.相交.
18.若均为单位向量,则是的[答]()
A.充分不必要条件.B.必要不充分条件.
C.充要条件.D.既不充分也不必要条件.
三、解答题(本大题满分74分)本大题共有5题,解答下列各题必须在答题纸相应编号规定区域内写出必要的步骤.
19.(本题满分12分)
已知向量
,设函数,求函数的最小正周期及时的最大值.
20.(本题满分14分)
某甜品店制作蛋筒冰淇淋,其上半部分呈半球形,下半部分呈圆锥形(如图)。
现把半径为10cm的圆形蛋皮分成5个扇形,用一个扇形蛋皮围成锥形侧面(蛋皮厚度忽略不计),求该蛋筒冰淇淋的表面积和体积(精确到0.01).
21.(本题满分14分)本题公园小题,第1小题满分4分,第2小题满分10分。
已知抛物线
(1)△ABC的三个顶点在抛物线F上,记△ABC的三边AB、BC、CA所在的直线的斜率分别为,若A的坐标在原点,求的值;
(2)请你给出一个以为顶点、其余各顶点均为抛物线F上的动点的多边形,写出各多边形各边所在的直线斜率之间的关系式,并说明理由。
说明:
第
(2)小题将根据结论的一般性程度给与不同的评分。
22.(本题满分16分)本题共有3个小题,第1小题满分6分,第2小题满分6分,第3小题满分4分.
定义域为R,且对任意实数都满足不等式
的所有函数组成的集合记为M,例如,函数。
(1)已知函数
,证明:
;
(2)写出一个函数,使得,并说明理由;
(3)写出一个函数,使得数列极限
23.(本题满分18分)本题共有3个小题,第1小题满分4分,第2小题满分8分,第3小题满分6分.
对于给定首项,由递推公式
得到数列,对于任意的,都有,用数列可以计算的近似值。
(1)取,计算的值(精确到0.01);归纳出的大小关系;
(2)当时,证明:
;
(3)当时,用数列计算的近似值,要求,请你估计n,并说明理由。
来源:
2019-2020年高三春季招生考试(英语)
考生注意:
1.本试卷分为第I卷和第II卷两部分。
全卷满分150分,考试时间120分钟。
2.答第I卷前,考生务必在答题卡和答题纸上用钢笔或圆珠笔清楚填写姓名、准考证号、校验码,并用铅笔在答题卡上正确涂写准考证号和校验码。
3.第I卷(第1-16小题、25-80小题)由机器阅卷,答案必须全部涂写在答题卡上。
考生应将代表正确答案的小方格用铅笔涂黑,注意试题题号和答题卡编号一一对应,不能错位。
答案需要更改时,必须将原选项用橡皮擦去,重新选择。
答案不能涂写在试卷上,涂写在试卷上一律不给分。
第I卷中的17-24小题、81-84小题和第II卷的试题,其答案用钢笔或水笔写在答题纸上,如用铅笔答题,或写在试卷上也一律不给分。
第I卷(共105分)
I.Listeningprehension
SectionA
Directions:
InSectionA,youwillheartenshortconversationsbetweentwospeakers.Attheendofeachconversation,aquestionwillbeaskedaboutwhatwassaid.Theconversationsandthequestionswillbespokenonlyonce.Afteryouhearaconversationandthequestionaboutit,readthefourpossibleanswersonyourpaper,anddecidewhichoneisthebestanswertothequestionyouhaveheard.
1.A.Inacinema.B.Inalibrary.C.Inarestaurant.D.Inagrocerystore.
2.A.Table-tennis.B.SwimmingC.Jogging.D.Tennis.
3.A.Sixhours.B.Eighthours.C.Tenhours.D.Fourteenhours.
4.A.Apoliceman.B.Awaiter.
C.Ahotelreceptionist.D.Ashop-assistant.
5.A.Shenolongerbelievestheman.B.Shewillofferhimanothercigarette.
C.Themanmustgiveupsmoking.D.Themanshouldmakearesolution.
6.A.Hehopestoleavebeforethewoman.
B.Heiscertainthatthelockworks.
C.Hisofficeisonehour’sridefromhere.
D.Hewillleavetheofficeinaboutanhour.
7.A.Hewon’tstayonthebeachthewholeday.
B.Hethinksit’sboringbeingonabeach.
C.Hetotallydisagreeswiththewoman.
D.Hethinksnotallbeachesarenice.
8.A.Thecakeisunhealthy.B.Thecakeissoldbyweight.
C.Thewomanshouldgoonadiet.D.Thewomanshouldhavethecake.
9.A.Hewasmovedbytheconductor.B.Theconductorwasunsatisfactory.
C.Theybothenjoyedtheconcert.D.Hedidn’tlikethechoiceofmusic.
10.A.Shehasrefusedtheman’srequest.B.Shecan’tfollowhiswords.
C.Shethinksit’sabigfavour.D.She’llseeifshecanhelp.
SectionB
Directions:
InSectionB,youwillheartwoshortpassages,andyouwillbeaskedthreequestionsoneachofthepassages.Thepassageswillbereadtwice,butthequestionswillbespokenonlyonce.Whenyouhearaquestion,readthefourpossibleanswersonyourpaperanddecidewhichonewouldbethebestanswertothequestionyouhaveheard.
Questions11through13arebasedonthefollowingpassage.
11.A.Theyreadanddiscussbooks.B.Theyprepareforreadingcontests.
C.Theyexchangeexperienceinwriting.D.Theyexplainandrevisebooks.
12.A.Byaskinggueststobringsnacks.
B.Bygivingteststogroupmembers.
C.Bylistingmust-readbooksalone.
D.Byengagingeveryoneinthediscussion.
13.A.Howtohostabookclub.B.Whentohostaclubmeeting.
C.Wheretolocateabookclub.D.Whomtochooseasaclubmember.
Questions14through16arebasedonthefollowingpassage.
14.A.Mobilesmaycausehealthproblems.B.Mobilesmaydisturbpeoplearound.
C.Filmwatchingwillbeinterrupted.D.Peopletalktooloudonthephone.
15.A.Itisimpossibletobanmobiles.B.Peopleneedmobilesinanemergency.
C.Dinningwithadifferentstaffmember.D.Holdingvariousoperationalmeetings.
16.A.Embarrassing.B.Necessary.C.Sensible.D.Meaningless.
SectionC
Directions:
InSectionC,youwillheartwolongerconversations.Theconversationswillbereadtwice.Afteryouheareachconversation,youarerequiredtofillinthenumberedblankswiththeinformationyouhaveheard.Writeyouranswersonyouranswersheet.
Blanks17through20arebasedonthefollowingconversation.
pletetheform.WriteONEWORDforeachanswer.
SurveySheet
Name:
DavidGorge
Occupation:
17baseballplayer
Hobby:
Reading18
Recentexcitingevent:
Hadthe19baby
Themostadmiredperson:
Hiswife
Futureplan:
Tohavelotsof20
Blanks21through24arebasedonthefollowingconversation.
pletetheform.WriteNOMORETHANTHREEWORDSforeachanswer.
Whatdoesthemanfindespeciallyexpensive?
21.
Wheredoesthemanbuyhisclothes?
Hemainlyshops22.
Whendoesthemangoandbuyallthelowstuffandgetlowprices?
Whentherearesalesgoingaround,especiallyafter23.
Whataretheman’smoneysavingtipsforinternationalstudentsintheUK?
Rentahousewithfriendsanddon’tbuythings24.
II.GrammarandVocabulary
SectionA
Directions:
BeneatheachofthefollowingsentencestherearefourchoicesmarkedA,B,CandD.Choosetheoneanswerthatbestpletesthesentence.
25.Soonafterdinner,Waynedroveoff______thedirectionofParis.
A.toB.atC.forD.in
26.Theyproducedtworeports,______ofwhichcontainedanyusefulsuggestions.
A.eitherB.allC.noneD.neither
27.Someyoungpeoplethesedaysjust______gooutoftheirhomestocontacttherealworld.
A.mustn’tB.won’tC.mightn’tD.shouldn’t
28.You’dbeexposedtoalot______pollutionifyoumovedtoatownwithpurewaterandair.
A.moreB.mostC.lessD.least
29.I’msureyouwilldobetterinthetestbecauseyou______sohardthisyear.
A.studiedB.hadstudied
C.willstudyD.havebeenstudying
30.Thebankerwasfoundinaremotevillageafter______hisofficelastThursday.
A.leaveB.beingleftC.leavingD.havingbeenleft
31.Ihavenoidea______thejournalistcouldhavegothisinformationfrom.
A.thatB.whyC.whyD.where
32.Alotofpeopleoftenforgetthatoralexams______totestourmunicativeability.
A.designB.aredesigned
C.aredesigningD.arebeingdesigned
33.ViewerscontinuetowatchTV______theyplainaboutthequalityoftheprogramming.
A.eventhoughB.asifC.aslongasD.unless
34.Mikefoundhismissingcarinthestreetoutsidehishouse,______newlycleanedandpolished.
A.lookedB.tolookC.lookingD.tobelooking
35.Therearefewerteachingpositionsleftinbigcities,______atthesametimethereareshortagesofteachersinsmalltowns.
A.orB.andC.soD.for
36.______in1955,DisneylandinCaliforniainregardedbyanyastheoriginalfunpark.
A.OpenedB.HavingopenedC.OpeningD.Beingopened
37.Faye’sfondestmemoryisoflastyear,______theclubgaveateapartyforherbirthday.
A.thatB.whichC.whereD.when
38.Theresultofthestudyindicatedthatitwasthetypeoffat______madethedifference.
A.thatB.whatC.whoD.as
39.______eswillbeweledtotheopen-airconcert.
A.WhateverB.WhoeverC.NomatterwhatD.Nomatterwho
40.HarrisonFordisthoughttobeoneofthefewmoviestars______asacarpenterbefore.
A.toworkB.tobeworking
C.tohaveworkedD.tohavebeenworking
SectionB
Directions:
pletethefollowingpassagebyusingthewordsinthebox.Eachwordcanonlybeusedonce.Notethatthereisonewordmorethanyouneed.
A.primarily
B.similar
C.considerately
D.connections
E.instructed
F.series
G.personal
H.served
I.defined
J.environment
InastudyoftheuniversityofMinnesota,twins(someraisedtogetherandotherswhohadgrownupapart)weretestedforawiderangeofpersonalitytraits(特征).Intermsofhappiness-41astheabilitytoenjoylife-twinswhoareseparatedsoonafterbirthweremuchlessalikethantwinsraisedtogether.Butwhenitestounhappiness,thetwinsraisedapart-somewithoutcontactforaslongas64years-wereas42asthosewhohadgrownuptogether.
Whyisunhappinesslessinfluencedby43?
Whenwearehappy,wearemoreresponsivetopeopleandkeepup44betterthanwhenwearefeelingsad.
Thisdoesn’tmean,however,thatsomepeopleareborntobesadandthat’sthat.Unhappinessmayberelatedtogenes,butthisinheritedtraitcanbeinfluencedby45choice.Youcanincreaseyourhappinessthroughyourownactions.
Inawhole46ofexperimentsbypsychologistsJohnReichandAlexZautraatArizonaStateUniversity,theyaskedstudentstoselecttheirfavouriteactivitiesfromalistofeverydaypleasures-thingslikegoingtoamovie,talkingwithfriendsandplayingcards.
Thentheresearchers47someofthestudentsintheexperimenttoincreasethenumberoffavouriteactivities