高一寒假作業(yè)(三)
青島五十八中寒假書面作業(yè)
高一數(shù)學(xué)(三)
命題人審核人班級姓名家長簽字批閱記錄宋仁虎高一數(shù)學(xué)全體教師一、選擇題:本大題共12小題,每小題5分,共60分。在每小題給出的四個(gè)選項(xiàng)中,只有一項(xiàng)是符合題目要求的。1、用二分法求方程x220的近似根的算法中要用哪種算法結(jié)構(gòu)()A.順序結(jié)構(gòu)B.條件結(jié)構(gòu)C.循環(huán)結(jié)構(gòu)D.以上都用2、計(jì)算機(jī)執(zhí)行下面的程序段后,輸出的結(jié)果是()a1b3aabbab
A.1,3PRINTB.a(chǎn)4,1,bC
.0,0D.6,0
3.要從已編號(160)的60枚最新研制的某型導(dǎo)彈中隨機(jī)抽取6枚來進(jìn)行發(fā)射試驗(yàn),用每部分選取的號碼間隔一樣的系統(tǒng)抽樣方法確定所選取的6枚導(dǎo)彈的編號可能是()A.5,10,15,20,25,30B.3,13,23,33,43,53C.1,2,3,4,5,6D.2,4,8,16,32,484.容量為100的樣本數(shù)據(jù),按從小到大的順序分為8組,如下表:
組號12345678頻數(shù)1013x141513129第三組的頻數(shù)和頻率分別是()A.14和0.14B.0.14和14C.
11114和0.14D.3和145.在一次歌手大獎(jiǎng)賽上,七位評委為歌手打出的分?jǐn)?shù)如下:9.48.49.49.99.69.4
9.7去掉一個(gè)最高分和一個(gè)最低分后,所剩數(shù)據(jù)的平均值和方差分別為()
A.9.4,0.484B.9.4,0.016C.9.5,0.04D.9.5,0.016
6.從裝有2個(gè)紅球和2個(gè)球的口袋內(nèi)任取2個(gè)球,那么互斥而不對立的兩個(gè)事件是()A.至少有一個(gè)球與都是紅球B.至少有一個(gè)球與都是球C.至少有一個(gè)球與至少有1個(gè)紅球D.恰有1個(gè)球與恰有2個(gè)球
7.從三件正品、一件次品中隨機(jī)取出兩件,則取出的產(chǎn)品全是正品的概率是()A.
14B.112C.8D.無法確定8.有五條線段長度分別為1,3,5,7,9,從這5條線段中任取3條,則所取3條線段能構(gòu)成一個(gè)三角形的概率為()
A.
110B.31710C.2D.109.在40根纖維中,有12根的長度超過30mm,從中任取一根,取到長度超過30mm的纖維的
概率是()A.
3040B.31210C.30D.以上都不對
10.先后拋擲骰子三次,則至少一次正面朝上的概率是()A.
18B.38C.58D.7811.從一批羽毛球產(chǎn)品中任取一個(gè),其質(zhì)量小于4.8g的概率為0.3,質(zhì)量小于4.85g的概率為
0.32,那么質(zhì)量在4.8,4.85(g)范圍內(nèi)的概率是()A.
0.62B.0.38C.0.02D.0.6812.10名工人某天生產(chǎn)同一零件,生產(chǎn)的件數(shù)分別是15,17,14,10,15,17,17,16,14,12.設(shè)其平均數(shù)為a,中位數(shù)為b,眾數(shù)為c,則有A.a(chǎn)>b>cB.b>c>aC.c>a>b
D.c>b>a
二、填空:本大題共4小題,每小題4分,共16分,把答案填在題中的橫線上.
13.圖中所示的是一個(gè)算法的流程圖,已知a13,輸出的b7,則a2的值是____________。
14.有一個(gè)簡單的隨機(jī)樣本:10,12,9,14,15則樣本平均數(shù)x=______,本樣方差
S2=______.。
15.某單位有老年人28人,中年人54人,青年人81人,為調(diào)查身體健康狀況,需要從中抽取一個(gè)容量為36的樣本,用分層抽樣方法應(yīng)分別從老年人、中年人、青年人中各抽取_________人、人、人。
16.甲,乙兩人在相同條件下練習(xí)射擊,每人打5發(fā)子彈,命中環(huán)數(shù)如下
甲68998乙107779則兩人射擊成績的穩(wěn)定程度是__________________。
三、解答題:(解答應(yīng)寫出文字說明.證明過程或演算步驟(本大題共6個(gè)大題,共74分).17.某校高中部有三個(gè)年級,其中高三有學(xué)生1000人,現(xiàn)采用分層抽樣法抽取一個(gè)容量為185的樣本,已知在高一年級抽取了75人,高二年級抽取了60人,則高中部共有多少學(xué)生?
頻率組距18.已知200輛汽車通過某一段公路時(shí)的時(shí)速的頻率
0.040.03分布直方圖如右圖所示,求時(shí)速在[60,70]的汽車
0.020.01大約有多少輛?4050607080時(shí)速(km)
19.從甲、乙、丙、丁四個(gè)人中選兩名代表,求:(1)甲被選中的概率(2)丁沒被選中的概率
20.現(xiàn)有一批產(chǎn)品共有10件,其中8件為正品,2件為次品:
(1)如果從中取出一件,然后放回,再取一件,求連續(xù)3次取出的都是正品的概率;(2)如果從中一次取3件,求3件都是正品的概率.
21.從4名男生和2名女生中任選3人參加演講比賽,
①求所選3人都是男生的概率;②求所選3人恰有1名女生的概率;③求所選3人中至少有1名女生的概率。
22、已知關(guān)于x的一元二次方程x22axb20。
(1)若a是從-4,-3,-2,-1中任取的一個(gè)數(shù),b是從1,2,3中任取的一個(gè)數(shù),
求上述方程有實(shí)根的概率;(2)若a是從區(qū)間[4,1]中任取的一個(gè)數(shù),b是從區(qū)間[1,3]中任取的一個(gè)數(shù),
求上述方程有實(shí)根的概率。
高一數(shù)學(xué)(三)參考答案:一、選擇題:
1、D任何一個(gè)算法都有順序結(jié)構(gòu),循環(huán)結(jié)構(gòu)一定包含條件結(jié)構(gòu),二分法用到循環(huán)結(jié)構(gòu)2、B3.B4.A5.D,6.D7.B
8.B能構(gòu)成三角形的邊長為(3,5,7),(3,7,9),(5,7,9),三種,
9.B在40根纖維中,有12根的長度超過30mm,即基本事件總數(shù)為40,且它們是等可能發(fā)
生的,所求事件包含12個(gè)基本事件,故所求事件的概率為124010.D至少一次正面朝上的對立事件的概率為1117238,188
11.C0.320.30.0212.D
二、填空題:13、11,
14.x12,s25.2
15.6,12,18總?cè)藬?shù)為285481163,28361636,543616312,813616318,16.甲比乙穩(wěn)定x甲8,x乙8,而s2甲1.2,s2乙1.6,s2甲s2乙,甲穩(wěn)定性強(qiáng)三、解答題:
17.解:從高三年級抽取的學(xué)生人數(shù)為185(7560)50
而抽取的比例為501100020,高中部共有的學(xué)生為185120370018.解:在[60,70]的汽車的頻率為0.04100.4,在[60,70]的汽車有201*.48019.解:(1)記甲被選中為事件A,則P(A)3612
(2)記丁被選中為事件B,則P(B)1P(B)1121220.解:(1)有放回地抽取3次,按抽取順序(x,y,z)記錄結(jié)果,則x,y,z都有10種可能,所以
試驗(yàn)結(jié)果有101010103種;設(shè)事件A為“連續(xù)3次都取正品”,則包含的基本事件共有
88883種,因此,P(A)831030.512(2)可以看作不放回抽樣3次,順序不同,基本事
件不同,按抽取順序記錄(x,y,z),則x有10種可能,y有9種可能,z有8種可能,所以試驗(yàn)的所有結(jié)果為1098720種.設(shè)事件B為“3件都是正品”,則事件B包含的基本事件總數(shù)為876,所以P(B)33672021.解:記男生為a,b,c,d,女生為1,2,基本事件為:
(a,b,c)(a,b,d)(a,b,1)(a,b,2)(a,c,d)(a,c,1)(a,c,2)(a,d,1)(a,d,2)(a,1,2)(b,c,d)(b,c,1)(b,c,2)(b,d,1)(b,d,2)(b,1,2)(c,d,1)(c,d,2)(c,1,2)(d,1,2)共20個(gè)①所選3人都是男生的事件數(shù)為4,P4201*②所選3人恰有1女生的事件數(shù)為12,P122035③所選3人恰有2女生的事件數(shù)為4,P41314205所選3人中至少有1名女生的概率為55522.解:(1)基本事件總數(shù)為4312,設(shè)方程有實(shí)根為事件A則A包含:
4a24b20a2b2ab又a0,b0ab
當(dāng)a4時(shí),b1,2,3a2時(shí),b1,2當(dāng)a3時(shí),b1,2,3,當(dāng)
當(dāng)當(dāng)a1時(shí),b1共計(jì)9種,p(A)912(2)設(shè)方程有實(shí)根為事件B則(a,b)|4a1,1b3
B(a,b)|4a1,1b3,ab在坐標(biāo)系中畫出,B表示的區(qū)域(本處略)
p(B)sBs2
擴(kuò)展閱讀:高一上英語寒假作業(yè)(3)
高一上學(xué)期英語寒假作業(yè)Unit1
命題人:朱夏櫻
I.語法詞匯
1.They’vesoldmanycomputersofthiskindandtherest___onsaletoday.
A.is
B.are
C.has
D.have
2.Hewasnotwillingtogiveupsmokingatfirst,butshe___persuadehimlater.
A.wasabletoB.couldC.mightD.will3.Nowhedoesn’tregret___objectionsatthemeeting,thoughnobodylistenedtohim.A.toraiseB.toberaising4.Tosucceedinadifficulttask,___.
C.tohaveraised
D.havingraised
A.oneneedstoworkhardC.youneedbeahard-workingpersonB.toworkhardisneeded
D.toworkhardiswhatoneneeds
D.or
5.Getupearlier,___you’llbelateforschool.
A.andB.butC.as
6.Seeingthatmostofthebookshavebeentakenaway,hehadtohaveallthe___ones.A.remainedB.remainC.remainingD.remains7.Hewastakingabath___theTVplaybegan.
A.when
B.while
C.before
D.until
8.___manytimes,butthechildstillcouldn’tunderstandthemeaningofthisword.A.HavingbeentoldB.ThoughhehadbeentoldC.HehadbeentoldD.Hehasbeentold
9.Thegirl___overthere___inredishisdaughter,whohasjustreturnedfromJapan.
A.sat,dressedB.sat,dressingC.sitting,dressingD.sitting,dressed10.Itwasinthebookstore___Imetyourbrothertheotherday.A.whereB.sinceC.inwhich
D.that
11.Jackissenior___mebytwoyears.A.inB.thanC.toD.of
12.Animportantdecisionaswellasthechangesingovernmentpolicy___likelyto___a
company’sfuture.A.is,effectB.are,affect
C.is,affect
D.are,haveeffecton
13.The___lady___theyoungmanwalkingby,andsuddenly,sherecognizeditwastheyoungmanwhohadeverstolenherpurseoneyearago.
A.white-haired,glancedatC.whitehairs,staredat
B.white-hair,lookedatD.whitehair,glaredat
14.Stockpriceshaveclimbed___tothepeaksincethestockmarketcashedin1998.
A.closelyB.nearC.nearbyD.close
15.Acapableteachershouldtryeverymeansto___thestudents’interestatahighlevelinclass.
A.protectA.example
II.選詞填空
1B.saveB.mark
C.maintainC.signal
D.buildupD.symbol
16.Inancienttimes,thetroopsusedthreepilesoffireasa___ofwar.A.contactB.includeC.announcedD.publicE.especiallyF.growingG.leaderH.rangeI.availableJ.separatelyKnowledgeisfreeontheInternetatasmallbut_17__numberofcollegesanduniversities.About160schoolsaroundtheworldnowputfreecoursematerialsonthewebtothe_18_.RecentadditionsintheUnitedStates_19__projectsatYale,JohnsHopkinsandtheUniversityofCalifornia,Berkeley.
BerkeleysaiditwouldoffervideosoflecturesonYouTube.Freevideosfromotherschoolsare_20_attheAppleiTunesstore.TheMassachusettsInstituteofTechnology(M.I.T.)becameanearly_21_withitsOpenCourseWareproject,first_22_in201*.Freelecturenotes,examsandotherresourcesarepublishedatocw.mit.edu.Manyexamsevenincludetheanswers.
Today,OpenCourseWareoffersmaterialsfrom1,800undergraduateandgraduatecourses.These_23_fromphysicstopoliticalscience.VisitorscanlearnthesamethingsthatM.I.T.studentslearn.Butasthesitepointsout,OpenCourseWareisnotaM.I.T.education.Visitorsreceivenocredittowardadegree.Somematerialsfromacoursemaynotbeavailable,andthesitedoesnotprovide_24_withteachers.Still,M.I.T.saysthatthesitehashadfortymillionvisitsbythirty-onemillionvisitorsfromalmosteverycountry.SixtypercentofthevisitorsarefromoutsidetheUnitedStatesandCanada.Studentsandeducatorsusethesite,includingstudentsatM.I.T.Butthelargestnumberofvisitors,abouthalf,areself-learners.
Someprofessorshavebecomewell-knownaroundtheworldasaresultofappearingonline.WalterLewin,aphysicsprofessoratM.I.T.,is_25_popular.Fansenjoyhisentertaininglectures.
M.I.T.OpenCourseWarenowincludesmaterialsforhighschool.Theaimistoimproveeducationinscience,technology,mathsandengineering.
III.完型填空
Goodnutritionandabalanceddietwillhelpyourchildgrowuphealthy.Whetheryourkidisatoddler(學(xué)步的孩子)orateen,youcantakestepstoimprovenutritionandencouragesmart_26_habits.Thereareseveralways,oneofwhichistohave_27_familymeals.Familymealsareacomfortingoccasionforboth_28_andkids.Kidswhotakepartinregularfamilymealsarealso_29_likelytoeatfruits,vegetablesandgrains,andlesslikelytosnackon_30_foods,smokeordrinkalcohol.
_31_,familymealsofferthechancetointroduceyourchildtonewfoodsand_32_whichfoodsyourchildlikesandwhichonesheorshedoesn’t.
Teensmay_33_theirnosesatfamilymeals-not_34_becausethey’retryingtobecomeindependent.Yetstudiesfindthatteensstillwanttheirparents’advice,sousethemealtimeasa_35_toreconnect.Also,considertryingtheseways:
Allowyourteentoinviteafriendtodinner.Involveyourteeninmeal_36__andpreparation.Keepyourmealtimecalmandpleasant-nolecturesor_37_.
What’simportantasafamilymeal?Anytimeyourfamilyeattogetherwhetherit’stakeoutfoodorahome-cookedmeal.Tryto_38__fornutritiousfoodandatimewheneveryonecanbethere.Thismaymeaneatingdinneralittle_39_towaitforachildwho’satsportspractice.Itcanalsomeansettingasidetimeonthe_40__,suchasSundaybrunch(早午餐),whenitmaybemore
convenienttogatherasagroup.26.27.28.29.
A.learningA.commonA.friendsA.still
B.eatingB.usualB.classmatesB.notB.dear
B.InadditionB.bringinB.putdownB.gameB.burningB.arguingB.buy
C.sleepingC.regularC.relativesC.moreC.variousC.InrealityC.pickoutC.clearupC.surprisingC.chanceC.improvingC.smokingC.shareC.slowerC.weekends
D.behavingD.normalD.parentsD.lessD.unhealthyD.GenerallyspeakingD.makeupD.doupD.challengingD.taskD.eatingD.delayingD.striveD.fasterD.weekdays
30.A.cheap
31.A.Asaresult32.A.findout33.A.turnup35.A.meeting36.A.planning37.A.drinking38.A.order39.A.earlier40.A.holidays
IV.閱讀理解
34.A.outstandingB.interesting
B.laterB.occasions
(A)
PolianacamefromBraziltotheU.S.foracademicreasons.ShewantedtoimproveherEnglish,becauseitcouldhelphergetabetterjob,maybeevenajobteachingEnglishsomeday.She’sinterestedintravelingandstudyingdifferentcultures.ShesaidthatBrazilianstrytocopyNorthAmericancustoms,soshewasinterestedinunderstandingwhy.
BeforecomingtotheU.S.,PolianahadacertainimageofNorthAmericans.ShegotherimageofNorthAmericansfromwatchingNorthAmericanTVandmoviesinBrazil.ShesawseveralHollywoodmoviesabouthighschoolsintheU.S.,andsheimaginedhighschoolcouldbealotoffun.Highschoolstudentsseemedtohavealotoffreedom.Sheimaginedtheyparticipatedinalotoffunactivitiesbothinsideandoutsideofschool.However,shenowthinksthatBrazilianstudentshavemorefunandfreedominschool.
Polianasometimesfeelsdisappointedbecauseoutsideofschooltherearefewplacesforyoungpeopletomeettheirfriendsandtalk.InBrazil,youngpeopleoftengettogetheratpartiesoratashoppingmall.
Inaddition,PolianathinksmostNorthAmericanstudentspretendtolikeher,becauseshecomesfromaforeigncountry,butactuallydon’tmakeanefforttogettoknowherwell.ShealsofeelsNorthAmericanstudentsoftendiscriminateagainstotherstudentswhodon’thavefashionableclothesandhairstyles.Inheropinion,NorthAmericansaren’topentodifferentculturesandcustoms.41.WhydidPolianacometotheU.S?
A.Becauseshewasinterestedintravelingandstudyingdifferentcultures.B.BecauseshecouldfindabetterjobintheU.S.C.Becauseshewantedtomakehermajorbetter.D.BecauseshehopedtoteachEnglishintheU.S.
42.WhenPolianagottotheU.S,shefoundhighschoolstudentsthere_____.
A.hadalotoffunandfreedom
B.sawseveralHollywoodmoviesoutsideofschool
C.participatedinalotoffunactivitiesinsideandoutsideofschoolD.hadlessfunandfreedom
43.WhichofthefollowingiscorrectaboutwhatPolianasawandfeltintheU.S?
A.ItseemedthatmostAmericanstudentslikedher.B.Polianafrequentlyfeelsdisappointed.
C.YoungpeopleinAmericaoftengettogetheratpartiesoratashoppingmall.D.NorthAmericansarewillingtoacceptdifferentculturesandcustoms.
44.Theunderlinedphrase“discriminateagainst”inthelastparagraphmaybereplacedby_____.
A.fightagainstB.lookdownupon
C.taketo
(B)A.AcarefulanalysisbiologicallyB.Whatisglobalwarming?C.SolutiontotheterrifyingresultD.GreaterdangerofextinctionE.Manyshockingthingswerefound.F.Ashockingreport45._____
Theearthisgettingwarmer.Peopleburncoal,oilandgasandthisproducescarbondioxide,methaneandnitrousoxide.Thesegases,called“greenhousegases”,preventtheheatofthesunfromleavingtheearth’supperatmosphereandthismakestheearthwarmer.46._____
Afewweeksagoagroupofscientistsproducedareportaboutglobalwarmingandthenaturalworld.Theywantedtofindoutifglobalwarmingwasdangerousforplantsandanimals.Accordingtowhattheyfound,thescientistssaythatduringthenext50yearsabout25%oflandanimalsandplantswillbecomeextinct.Morethanamillionplantandanimalspecieswillbeextinctby2050.47._____
Morethan10%ofallplantsandanimalswillbecomeextinct.Itistoolatetosavemanyplantsandanimalsbecauseofthegreenhousegasesthatarealreadyintheatmosphere.Butthescientistssayifwecontrolgreenhousegasesnow,wecouldsavemanymoreplantsandanimalsfromextinction.
48._____
Thescientistsstudiedsomeregionsoftheworldwithaveryrichbiology.TheseregionswereEurope,Australia,CentralandSouthAmerica,andSouthAfrica.Theirstudiesshowedthatspecieslivinginmountainousareashadabetterchanceofsurvivalbecausetheycouldmoveuphill,togetcooler.Inflatareas,suchasdeserts,plantsandanimalswouldhavetomoveaverylongdistancetogetcooler,sotheyareingreaterdangerofextinction.49._____
Thescientistsfoundthathalfofthe24speciesofbutterfliestheystudiedinAustraliawouldsoonbecomeextinct.60%ofthespeciesintheKrugerNationalParkinSouthAfricawouldalsodieout,andmorethan100%ofthe300SouthAfricaplantspeciestheystudiedwouldalsobecomeextinct.OneoftheplantsindangerofextinctionisthenationalflowerofSouthAfrica,theKingProtea.Theystudied163treespeciesintheCerradoregionofBrazilandfoundthat70wouldbecome
4D.distinguishextinct.Manyoftheplantsandtreesthatliveinthisregionlivenowhereelseintheworld.InMexico,theystudied1,870speciesandfoundthatmorethan30%ofthesewereindangerofextinction.
V.動(dòng)詞填空
50.Hewillwaitatthebusstopuntilhisbrother_______________(come)back.51.I_______________(go)alonesinceyoudon’twanttoseethefilm.
52.TomthoughtthatI_______________(do)theexercise,soIknewtheanswertotheexercise.53.Don’tinterrupthimwhenhe_______________(lie)inbed.
54.ThepeopleofShanghai_______________(build)thefourhugebridgesacrosstheHuangpuRiverinthepastfiveyears.
55.Iamsurethatshe’llcometoseemebefore_______________(leave).
56.Itoldhim_______________(notopen)thewindowsbecauseitwasrainingheavily.57.I’mafraidthebookyouarelookingfor_______________(lend)yesterdayafternoon.58.Nowletmehearyou_______________(sing).
59.AsBob’scar_______________(repair)inthegaragenow,hewillhavetogotoworkby
underground.
VI.中譯英
60.當(dāng)他向身處困境的人們伸出援助之手時(shí)毫不猶豫。(hesitate)
___________________________________________________________________________
___________________________________________________________________________
61.看到顧客喜歡Debbie甚于自己,Simon嘆了口氣。(prefer)
___________________________________________________________________________
___________________________________________________________________________
62.如果你想與別人交朋友,注意交際的方式很重要。(theway)
___________________________________________________________________________
___________________________________________________________________________
63.Jack不僅僅是我的老師,他經(jīng)常在生活上幫助我。(morethan)
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64.那位教授的幽默感和很強(qiáng)的記憶力給在場的每個(gè)人留下了深刻的印象。(impression)
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參考答案
I.語法詞匯1-5BADAD6-10CACDD11-16CCADCCII.選詞填空
17.F18.D19.B20.I21.G22.C23.H24.A25.EIII.完型填空26-30BCDCDIV.閱讀理解41-44CDABV.動(dòng)詞填空50.comes55.leaving
51.willgo56.nottoopen
52.haddone57.waslent
53.islying58.sing
54.havebuilt
59.isbeingrepaired
31-35BAACC45-49BFCAE
36-40ABDBC
VI.中譯英
60.Hedoesn’thesitatetogiveahelpinghandtothoseintrouble.
61.SimonsighedwhenhesawthatthecustomerspreferredDebbietohim.
62.Ifyouwanttomakefriendswithothers,itisimportanttopayattentiontothewayyoucommunicate.
63.Jackismorethanmyteacher.Heoftenhelpsmeinlife.
64.Theprofession’ssenseofhumorandstrongmemorymadeadeepimpressiononeveryone
present.
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