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2016-2023年海南政法职业学院高职单招(英语/数学/语文)笔试历年考点试题甄选合集含答案解析(图片大小可任意调节)第1卷一.数学单项选择题(共15题)1.以抛物线y2=8x的焦点为圆心,且与此抛物线的准线相切的圆的方程是()
A.(x+2)2+y2=16
B.(x+2)2+y2=4
C.(x-2)2+y2=16
D.(x-2)2+y2=4
2.函数y=2sin6x的最小正周期为()
A.见图A
B.见图B
C.见图C
D.见图D
3.以χ2-3χ-1=0的两个根的平方为根的一元二次方程是()
A.χ2-11χ+10
B.χ2+χ-11=0
C.χ2-11χ-1=0
D.χ2+χ+1=0
4.已知集合A={2,4,8},B={2,4,6,8},则A∪B=()
A.{2,4,6,8}
B.{2,4}
C.{2,4,8}
D.{6)
5.8名选手在有8条跑道的运动场进行百米赛跑,其中有2名中国选手。按随机抽签方法决定选手的跑道,2名中国选手在相邻的跑道的概率为()
A.见图A
B.见图B
C.见图C
D.见图D
6.下列函数中,为减函数的是()
A.见图A
B.见图B
C.见图C
D.见图D
7.下列函数()是非奇非偶函数.
A.(x)=x
B.(x)=x2-2|x|-1
C.(x)=2|x|
D.(x)=2x
8.设甲:a>0且b>0;乙:ab>0,则甲是乙的()
A.充分条件,但非必要条件
B.必要条件,但非充分条件
C.既非充分条件,也非必要条件
D.充分必要条件
9.设甲:函数y=kx+b的图像过点(1,1),
乙:k+b=1,则
A.甲是乙的充分必要条件
B.甲是乙的必要条件,但不是乙的充分条件
C.甲是乙的充分条件,但不是乙的必要条件
D.甲不是乙的充分条件,也不是乙的必要条件
10.已知集合A={x|-4≤x<2},B={x|-1<x≤3},那么集合A∩B=()
A.{x|-4<x<3}
B.{x|-4≤x≤3}
C.{x|-1<x<2)
D.{x|-1≤x≤2}
11.若等比数列{an}的公比为3,a4=9,则a1=()
A.见图A
B.见图B
C.见图C
D.见图D
12.下列不等式成立的是
A.log25>log23
B.(1/2)5>(1/2)3
C.5-1/2>3-1/2
D.log1/25>log1/23
13.两条直线是异面直线的充分条件是这两条直线()
A.分别在两个平面内
B.是分别在两个相交平面内的不相交的直线
C.是分别在两个相交平面内的不平行的直线
D.分别在两个相交平面内,其中一条与这两个平面的交线相交于一点,而另一条不过这个点
14.与直线3x-4y+12=0关于y轴对称的直线方程为()
A.见图A
B.见图B
C.见图C
D.见图D
15.下列函数中,为偶函数的是()
A.见图A
B.见图B
C.见图C
D.见图D
二.数学问答题(共3题)1.展开式的二项式系数之和比展开式的二项式系数之和小240.
展开式的第3项;
展开式的中间项.
2.直线3x+4y-12=0与x轴、y轴分别交于A,B两点,O为坐标原点,则△OAB的周长为_________
3.圆心在y轴上,且与直线x+y-3=0及x-y-1=0都相切的圆的方程为__________.
三.英语单项选择题(共25题)1.阅读下列短文,掌握其大意。然后,从每小题的四个选项中选出可填入相应空白处的最佳选项。
Mr.Joneswokeupearlyonemorning,beforethesunhadrisen.Itwasabeautifulmorning,21hewenttothewindowandlookedout.Hewas22toseeaneatly-dressedandmid-agedprofessor,who23intheuniversityjustuptheroadfromMr.Jones'house,comingthedirectionofthetown.Hehadgreyhair,thickglasses,andwas24anumbrella,amorningnewspaperandabag.Mr.Jonesthoughtthathemusthave25bythenighttrain26takingataxi.
Mr.Joneshadabigtreeinhisgarden,andthechildrenhadtiedalongropetooneofthebranches,sothattheycouldswingonit.
Mr.Jonessawtheprofessor27whenhesawtheropeandlookedcarefullyupanddowntheroad.Whenhesawthattherewas28insight,hesteppedintothegarden(therewasnofence),puthisumbrella,newspaper,bagandhatnearlyonthegrassand29therope.Hepulledit30toseewhetheritwasstrongenoughtotakehisweight,thenranasfastashecouldandswungintothe31ontheendoftherope,hisgreyhairblowingallaroundhisface.32heswung,sometimestakingafewmore33stepsonthegrasswhentheropebegantoswingtooslowlyforhim.
34theprofessorstopped,straightenedhistie,combedhishaircarefully,putonhishat,35hisumbrella,newspaper,bag,andcontinuedonhiswaytotheuniversity,lookingasquietandcorrectandrespectableasonewouldexpectaprofessortobe.
()
A.when
B.however
C.so
D.but
2.Suddenlysheturnedand__________XiaoHu.
A.cameinsight
B.caughtsightof
C.wasatfirstsight
D.wasoutofsight
3.Althoughheisconsideredagreatwriter,hisworksarenotwidelyread.
A.but
B.however
C.and
D.不填
4.In2008,theUnitedStatesDepartmentofAgriculture(USDA)wantedtoknowifalltheschoollunchesservedtostudentswerehealthy.Theanswerwasabig,fatNO!
TheUSDAfoundthatmostAmericanschoolsservedluncheswithtoomuchfatandsalt.Theyalsofoundthatmostofthefruitsandvegetablesinthelunchescamefromcans(罐头).Cannedfruitsandvegetablesarenotasgoodasfreshones.
TheUSDAgivesschoolsfoodandmoneytomakelunches.Butschoolsmakeuptheirownmenus.Somemakehealthylunches.Mostdonot.NowtheUSDAwantsallschoolstoservemorehealthylunches.TheywantschoolstofollowtheUSDA'sguidelinesforbalanced(均衡)meals.
MikeSanders,inchargeoftheUSDAin2008,saidtheUSDAshouldteachschoolworkershowtomakehealthierlunches."Agoodschoollunchisjustasimportantasagoodtextbook,"Sanderssaid.Hesaidthatchildrenalsoneedtolearnabouthealthyfoods.
TheUSDAisworkingoffanewprogram--FreshStart.Itwillgiveschoolsmorefreshfruitsandvegetables.FreshStartwillalsohelpschoolschangetheirlunchestomakethemhealthier.
Tofindthebestwaytochangelunches,theUSI)Aheldmeetingswithparents,schoolleaders,doctors,andcooks.
ChildrenalreadyeathealthylunchesatChiefJosephSchoolinNorthSaratoga,Oregon.Theyhavewhole-wheatbreadwithlow-fatcheese,andlow-fatmilk.
WhatisthegoaloftheFreshStartprogram?
A.Employinggoodcooksforschools
B.Sellingfreshfruitsandvegetables
C.Findingabetterwaytotalkwithparents
D.Helpingimprovetheschoollunches
5.It'ssuchadifficultproblem.Allstudentslistencarefullytomakethemselves____.()
A.understand
B.understanding
C.tounderstand
D.understood
6.AsaboyIdreamedofflyingairplanes.21ItoldDadIwantedtobeapilot,hesaid,"Youneedtodoyourjobwellonthefarmfirst,and22youmayrealizeyourdream."Thefarmwasaneverydayresponsibility(职责)-that23Saturday,SundayandChristmastoo.EverymorningIgotupatfouro'clocktomilkand24thecows.Afterthemilkwasbottled,myolderbrothersandI25ittopeople'shomes.Iwaspaidfivecentsabottle.AtthattimeI26thattobesuccessfulyouhavetotakecareofyourresponsibilities.
WhenIwas16,Isignedupforflyinglessons.TopayforthelessonsI27asmallrestaurantwithsomefriends.Oneofourregular28wasthepresidentoftheFarmersBank.Every29Igot,ltalkedtohimaboutmydream.OnedayItoldhimI30$3,500tobuymyown31.HelentmethemoneysothatIcouldflypeoplewithin150milesoftheairport.
TwelveyearslaterIwasflyingpeoplearoundtheworld32apilotofabigairlinecompany.AftertenyearsinthecompanyIstartedmyown33.
TodayIrunabillion-dollarcompany,butitwasonthefarmthatIlearnedtheprinciples(原则)thathave34me.Hardworkanddeterminationdo35dreamscometrue.
____.
A.business
B.job
C.journey
D.area
7.BrightonisapopularseasidetownonthesouthcoastofEngland.Notlongago,somepolicemenwerevery(21).Therehadbeenseveralseriousaccidents(22bymotoristsdrivingtoofast.Thepolicestartedtosetupaspeedtrap(速度监视器).Theymeasured(23)of88yardsonastraightroadandwatchedtosee(24)acartookto(25)thatfar.Theyknewthatifacartooksixseconds,itwastravelingfaster(26)the(27)limitof30milesanhour.
Whenthepolicemenwereready,theyhid(28)ahedge(树篱)andstartedtotimepassingcars.Duringtheirfirsthalfanhour,theycaughtfivedrivers.Thepolicemenwrotedownthe(29)ofeachcarandthenameandaddressofthedriver.Butforthenexthalfanhourthepolicemendidn′tseeanybody(30)toofast.Theythoughtthatthiswasvery(31).Oneofthemdroveaquarterofamilealongtheroadandsawtwostudents(32)onthegrass.Theywereholdingupasheetofcupboardsothatmotoristscouldseeit.Onthenoticeoneofthestudents(33):"Danger.
Speedtrap."
Thepolicementookthenoticeawayandwrotedownthenamesofthestudents.Laterontheywereeachfined£5for(34)tostopthepolicecatchingmotoristswhowere(35)thelaw.
第(29)题选
A.sign
B.signal
C.number
D.shape
8.Thenexttimeyoutryforahigh-rankingpost,youcouldletyourpossiblebosslistentoarecommending(推荐)phonecall"made"byUSPresidentGeorgeW.BushorBritishPrimeMinisterTonyBlair.
Ofcourse,neitherofthemcouldreallydothatforyou--youwouldjust"borrow"theirvoices.
AT&Tlabswillstartsellingspeechsoftwarethatitsaysissogoodatreproducingthesoundsofahmnanvoicethatitcanrecreatevoicesandevenbringthevoicesoflong-deadfamouspeoplebacktolife.
Thesoftware,whichturnsprintedtextintospeech,makesitpossibleforacompanytouserecordingsofaperson'svoicetosaythingsthatthepersonneveractuallysaid.
Possiblecustomersforthesoftware,whichispricedinthethousandsofdollars,includestelephonecallcenters,companiesthatmakesoftwarethatreadsdigital(数字的)fliesaloud,andmakersofautomatedvoicedevices(装量).Theadvancesraiseseveralproblems.Who,forexample,ownstherightstoafamousperson'svoice?Someexpertsevenbelievethatnewcontracts(合同)willbedrawnthatincludevoice-licensingclauses.
Andalthoughscientistssaythetechnologyisnotyetgoodenoughtocommitfraud(假冒),wouldthesynthesized(合成的)voicesatlastbeabletotrickpeopleintothinkingthattheyweregettingphonecallsordigitalaudiorecordingsfrompeopletheyknow?
EvenMr.Fruchterman,oneofAT&Tlabs'possiblefirstcustomers,saidhewonderedwhatthenewtechnologymightbring."Justlikeyoucan'ttrustaphotographanymore."hesaid,"youwon'tbeabletotrustavoiceeither."
Withthehelpofthespeechsoftwareitismostpossible_______.
A.toimproveafamousperson'sspeech
B.tosaywhatyouwantinanother'svoice
C.tomakeaspeechmuchmoreeasily
D.tohelpyoutofindabetterjob
9.通读下面的短文,掌握其大意。然后,从每小题的四个选择项中选出可填入相应空白处的最佳选项。
InnearlyeverytownorcitycentreintheUK,onmostdaysoftheweekyoucanfindoneormorepeoplestandinginthestreetsellingamagazine21TheBigIssue.Thesepeopleareall22,buttheyarenotbeggingformoney.23,theyaresellingthemagazineasameans(手段)of24asmallbutrespectableliving.
TheBigIssuemagazinewas25in1991byJonBirdandGordonRoddickafterthey26thatthereweremanyhomelesspeoplewhowere27onthestreetsofLondon.Onaprevious(之前的)28toNewYork,oneofthemhadseenhomelesspeoplesellinganewspaperknownasStreetNews29theydecidedtosetupsomething30intheBritishcapital.
Nowadays,TheBigIssuehas31allovertheUKandthereareevendifferentversions(版本)ofthemagazineindifferentpartsofthe32.Thesellersbuyeachmagazinefromtheorganizationforseventypenceandthensellittoa33foronepoundfifty.ByworkingwithTheBigIssue,manypeoplehavebeen34toescapefromhomelessness,and35manyofthemhavemovedontonewjobsandnewlives.
____.
A.entrance
B.visit
C.flight
D.way
10.Suchelectrontubes________inaradiosetarealsofoundinaTVset.
A.thatweuse
B.asweuse
C.asweusethem
D.thatweusethem
11.通读下面的短文,掌握其大意。从每小题的四个选项中选出可填入相应空白处的最佳选择,并把它前面的大写字母填入左边括号里。
Mr.Joneswokeearlyonemorning,beforethesunhadrisen.Itwasabeautifulmorning,_21_hewenttothewindowandlookedout.Hewas_22_toseeaneatly-dressedandmid-agedprofessor,who_23_intheuniversityjustuptheroadfromMr.Jones‘house,comingthedirectionofthetown.Hehadgreyhairthickglasses,andwas_24anumbrella,amorningnewspaperandabag.Mr.Jonesthoughtthathemusthave_25_bythenighttrain_26_takingataxi.
Mr.Joneshadabigtreeinhisgarden,andthechildrenhadtiedalong_27_tooneofthebranches,sothattheycouldswingonit.
Mr.Jonessawtheprofessor_28_whenhesawtheropeandlookedcarefullyupanddowntheroaD.Whenhesawthattherewas_29_insight,hesteppedintothegarden(therewasnofence),puthisumbrella,newspaper,bagandhatnearlyonthegrassand_30_therope.Hepulledit_31_toseewhetheritwasstrongenoughtotakehisweight,thenranasfastashecouldandswungintothe_32_ontheendoftherope,hisgreyhairblowingallaround_33_._34_heswung,sometimestakingafewmore_35_stepsonthegrasswhentheropebegantoswingtooslowlyforhim.
Atlasttheprofessorstopped,straightenedhistie,combedhishaircarefully,putonhishat,pickeduphisumbrella,newspaperandbag,andcontinuedonhiswaytotheuniversity,lookingasquietandcorrectandrespectableasonewouldexpectaprofessortobe.
()
A.hard
B.high
C.heavily
D.greatly
12.Theboylayinthestreet,hiseyes_______andhishands______.
A.closing;trembling
B.closed;trembled
C.closing;trembled
D.closed;tremblin
13.Enoughsleepisimportanttohealth.Theamountofsleep(21)dependsontheageoftheper-sonandtheconditionsinwhichsleep(22).Theyoungmayneedmoresleepthantheold,butgenerallyeighthoursareenoughforthehealthofgrown-ups.Somecan(23)withlessthanthisamountbut(24)mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto(25)it.Sleepshouldalwaysbeenoughtomakeonerelaxed(松弛)andreadyfor(26)work.
Freshairis(27)tosoundsleep(酣睡).Itisnotwithoutreasonforsomepeopleto(28)thatitispracticaltosleepintheopenair.(29)apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthebody(30)completerelaxation.
Abilitytosleepislargelyahabit.Theconditionsreferredtoonlyleadtosleep.Out-of-door(31),agoodhabitofregulardrinkingandtheavoidanceoflateeatingand(32)areallhelpfultosoundsleep.Suchfactorsarelargelywithinthecontrolofanyperson.Abathat(33),neitherhotnorcoldbutof(34)temperature,maybehelpfultosleep.Sleepingpillsshouldneverbetakenexceptwhensuggestedby(35).
第(32)题选
A.worry
B.fear
C.carelessness
D.hardwork
14.I____pingpongquitewell,butIhaven’thadtimetoplaysincethenewyear.()
A.willplay
B.haveplayed
C.played
D.play
15.通读下面的短文,掌握其大意。从每小题的四个选项中选出可填入相应空白处的最佳选择,并把它前面的大写字母填入左边括号里。
Mr.Joneswokeearlyonemorning,beforethesunhadrisen.Itwasabeautifulmorning,_21_hewenttothewindowandlookedout.Hewas_22_toseeaneatly-dressedandmid-agedprofessor,who_23_intheuniversityjustuptheroadfromMr.Jones‘house,comingthedirectionofthetown.Hehadgreyhairthickglasses,andwas_24anumbrella,amorningnewspaperandabag.Mr.Jonesthoughtthathemusthave_25_bythenighttrain_26_takingataxi.
Mr.Joneshadabigtreeinhisgarden,andthechildrenhadtiedalong_27_tooneofthebranches,sothattheycouldswingonit.
Mr.Jonessawtheprofessor_28_whenhesawtheropeandlookedcarefullyupanddowntheroaD.Whenhesawthattherewas_29_insight,hesteppedintothegarden(therewasnofence),puthisumbrella,newspaper,bagandhatnearlyonthegrassand_30_therope.Hepulledit_31_toseewhetheritwasstrongenoughtotakehisweight,thenranasfastashecouldandswungintothe_32_ontheendoftherope,hisgreyhairblowingallaround_33_._34_heswung,sometimestakingafewmore_35_stepsonthegrasswhentheropebegantoswingtooslowlyforhim.
Atlasttheprofessorstopped,straightenedhistie,combedhishaircarefully,putonhishat,pickeduphisumbrella,newspaperandbag,andcontinuedonhiswaytotheuniversity,lookingasquietandcorrectandrespectableasonewouldexpectaprofessortobe.
()
A.rope
B.line
C.stick
D.ruler
16.通读下面的短文,掌握其大意。然后,从每小题的四个选项中选出最佳选项。
Enoughsleepisimportanttohealth.Theamountofsleepneeded21ontheageofthepersonandtheconditionsinwhichsleep22.Theyoungmayneedmoresleepthantheold,but23eighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount,but24mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto25it.Sleepshouldbealwaysenoughtomakeonebringbackhisstrongandgetreadyfor26work.
Freshairis27tosoundsleep.Soitisnot28reasonforsomepeopletothinkthatitispracticabletosleepintheopenair.29apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthepleterelaxation.
Abilitytosleepislargelyahabit.Out-of-door31,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand32areallhelpfultosoundsleep.Suchfactorsarelargelywithinthe33ofanyperson.Abathat34,neitherhotnorcoolbutofbodytemperature,maybehelpfultosleep.Sleepproducingdrug(帮助睡眠的药物)shouldneverbetakenexceptwhensuggestedby35.
____.
A.fight
B.plan
C.control
D.thought
17.Enoughsleepisimportanttohealth.Theamountofsleep(21)dependsontheageoftheper-sonandtheconditionsinwhichsleep(22).Theyoungmayneedmoresleepthantheold,butgenerallyeighthoursareenoughforthehealthofgrown-ups.Somecan(23)withlessthanthisamountbut(24)mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto(25)it.Sleepshouldalwaysbeenoughtomakeonerelaxed(松弛)andreadyfor(26)work.
Freshairis(27)tosoundsleep(酣睡).Itisnotwithoutreasonforsomepeopleto(28)thatitispracticaltosleepintheopenair.(29)apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthebody(30)completerelaxation.
Abilitytosleepislargelyahabit.Theconditionsreferredtoonlyleadtosleep.Out-of-door(31),agoodhabitofregulardrinkingandtheavoidanceoflateeatingand(32)areallhelpfultosoundsleep.Suchfactorsarelargelywithinthecontrolofanyperson.Abathat(33),neitherhotnorcoldbutof(34)temperature,maybehelpfultosleep.Sleepingpillsshouldneverbetakenexceptwhensuggestedby(35).
第(22)题选
A.failsdown
B.breaksout
C.wakesup
D.takesplace
18.I‘lldo_______thedoctoradvised.
A.as
B.like
C.that
D.allwhat
19.Theweatherchanges____theseason.()
A.by
B.with
C.for
D.from
20.Somevillagersweregoingtocelebrateanimportantwinefestival(酒宴)inafewdays'time,sotheyborrowedahugebarrelfromthenearesttown,putitinthevillagesquare;anddecidedthateachofthemshouldemptyabottleofthebestwinehehadintoit,sothatthereshouldbeplentyatthefeast(宴会).
Oneofthevillagersthoughthewouldbeveryclever."IfIpourabottleofwaterin,insteadofwine,noonewillnoticeit,"hesaidtohimself,"becausetherewillbesomuchexcellentwineinthebarrelthatthewaterwillbelostinit."
Thenightofthefeastarrived.Everybodygatheredinthevillagesquarewiththeirbowlsandtheirglassesforthewine.Thetap(塞子)onthebarrelwasopened,butwhatcameoutwaspurewater.Everyoneinthevillagehadthesameidea.
Wherewouldthefeastbeheldaccordingtothepassage?()
A.Intheirhouses
B.Inthenearesttown
C.Aroundthebarrel
D.Inthevillagesquare
21.AlongtimeagotherewerenodonkeysinGuizhou.Onedayamerchantfromanotherpartofthecountrywentthereandtookadonkeywithhim.Laterthedonkeygotsickandthemerchantleftitbehindandwentonhisjourney.Whenthedonkeywaswellagain,itranawayintothenearbyforest.
Thetigersintheforestthoughtthatthedonkeywasastrangeanimalandtheywereafraidofit.Wheneveritbrayedtheyallranawayasfastastheirfeetcouldcarrythem.
Afterafewmonths,thetigersbecamefriendlywiththedonkey.Theyplayedmanygameswithit,buttheywerestillafraidofit.
Onedaythedonkeybecameveryangry.Itkickedoneofthetigerswithitshindlegs.Thetigerswereverysurprised.
"Thatmustbeallitcandowhenitisangry,"theysaid.Thenallthetigersjumpedonthedonkeyandkilledit.
HowdidthedonkeyappearinGuizhou?()
A.Hegotthin
B.Hegottall
C.Hegotlost
D.Hegotsickandthemerchantleftitbehind
22.Manyschoolshavetheirartprogramsremovedinanefforttoimprovetestscoresandsavemoney.However,someresearchersbelievethatthisisnotcorrect.Studentscanmastersomebasicskillsinartclassthattheycannotfindinanormalclassroom.
Allowmetosharewhyyouhavetotakeartclass.
Firstandmostimportant,itstimulatescreativity(激发创造力).Artschoolsencourageyoutothinkoutsidetheboxandbecreativeenoughtocreatesomethingartistic.Itcanbeusednotonlyinartbutinlife,too.
Besides,ithelpsyoumaketherightchoice.Inartclass,youareusuallyfreetodowhatyouwant.Ineveryartclass,youarerequiredtomakedecisionsthatcandeterminewhatyourpaintingwillturnouttobe.
Inaddition,studentscanlearntheartofcritical(批判性的)thinkingasaskillofobservation(观察).Forexample,artstudentsfindwaystoimagine.Thatisaskilltheyneedtobecomebetterreadersandproblemsettlers.
Whatismore,itisnotedthatthecompany'sbossesareactivelylookingforemployeeswhocanthinkcreatively.Creativethinkingisoneofthemostimportantskillsthatstudentscanlearninartcourses.
Finally,studentswhoaretrainedinartclasshaveinterestingmentalhabits.Theylearnhowtoworkonataskforalongtimeandhowtocontinuetoworkeveniftheyarediscouraged.Theyarebetterforcreatingalinkbetweentheclassroomandtheoutsideworld.Inaddition,childrenwhodoartworkareabletolookbackontheirworkandmakejudgmentsaboutthemselves.
Whatcanwelearnfromthetext?()
A.Artstudentsareeasilyemployed
B.Artprogramsmaybringalotofmoney
C.Artclasscanhelpstudentsinmanyways
D.Artteachersshouldpaymoreattentiontotests
23.TodayisJenny’sweddingday.She_______toThomas.
A.justhasgotmarried
B.hasjustmarried
C.wasjustmarried
D.hasjustgotmarried
24.根据下面资料,回答43-46题
Aworldlikenoother—perhapsthisisthebestwaytodescribetheworldoftherainforest.Norainforestisthesame—yetmostrainforestscanbefoundinthesmalllandarea22.5degreesnorthand22.5degreessouthoftheEquator(赤道).YoucanfindrainforestsinSouthAmericaandIndo-nesia.OtherrainforestsexistfurtherfromtheEquator,inThailandandSriLanka.
Rainforestshaveagreatroletoplayinsupportingtheworld.Theyarehometoarichvarietyofplants,birdsandanimals.Canyoubelievethat480varietiesoftreesmaybefoundinjustonehec-tare(公顷)ofrainforestTheseforestshavearound50%ofalltheplants,birdsandanimalsonEarth.
Rainforestshavetheirownperfectwayforliving.Thetalltreesmakeahugeumbrellaofbran-ehesandleaveswhichprotectthemselves,smallerplants,andtheforestanimalsfromheavyrain,dryheatfromthesunandstrongwinds.Rainforesttreesgrowinsuchawaythattheirleavesandbranches,althoughclosetogether,neveractuallytouchthoseofanothertree.Scientiststhinkthisisawaytopreventthespreadofanytreediseasesandmakelifemoredifficultforleaf-eatinginsects(昆虫).Toliveintheforest,animalsmustclimb,jump,orflyacrossthebranchesandtrees.Thegroundflooroftheforestisnotallleavesandbushes,likeinfilms,butisactuallyfairlyclear.Itiswhereleavesbecomefoodforthetreesandotherforestlife.
Rainforestsaroundtheworldaredisappearingatahighspeed.Afewthousandyearsago,rain-forestscoveredasmuchas12%ofthelandsurfaceonEarth,buttodaythishasfallentolessthan5.3%.Wehopethattheworldgovernmentsworktogetherwithscientiststousetheirpowerandknowledgetokeeptherainforestsforourexistence.
HowmuchofthelandsurfaceonEarthiscoveredbyrainforests
A.Morethan50%
B.Nearly12%
C.Lessthan5.3%
D.Around22.5%
25.SometimesIfeelthatbeingthemotherofthreesmallchildrenislikeoperatingalargecircus(马戏团).(21)afternoonlastweek,mythreesonsplayingpeacefullyinthebackyard(院子),(22)theballfromonetoanother.Ijumpedatthechancetotalktooneofmyfriends(23)thephone,butbeforeI(24)tothephone,Icouldtelltheboyshadbeguntoquarrelwitheachotheraboutsomething.Irushedoutto(25)peace,butbeforeIgotthereCharleshad(26)arockatMark,andhithimintheeye.BythetimeIgottothebackyard,theyhadbegunto(27)aboutthis.EvenDavid,theoldestboy,whowon′tusuallyfightwithanybodyabout(28),wasinvolved(卷入,).First,I(29)themstopfighting,andthenIexaminedMark′seye.Idecidedthatitwasn′tgoingtodevelopintoablackeye,butIfeltthattheyshould(30)atleastalittlefor(31)theyhaddone"I′mgoingto(32)toyourfatheraboutthiswhenhecomeshomefortomglat,said."HeandIwillthinkofhowtopunishyou."Thingswere(33)quietafterthatabouthalfanhour,andthenCharles(34)aglassinthekitchen,andatalmostthesame(35),Markfelloutoftheappletree.
第(23)题选
A.through
B.in
C.on
D.by
四.英语多项选择题(共5题)1.MyfatherknowsKate'sfather.They____toeachotherataconference.()
A.hadbeenintroduced
B.areintroduced
C.wereintroduced
D.havebeenintroduced
2.Moreandmorehigh-risebuildingshavebeenbuiltinbigcitiesspace.
A.insearchof
B.inplaceof
C.forlackof
D.forfearof
3.通读下面的短文,掌握其大意。然后,从每小题的四个选择项中选出可填入相应空白处的最佳选项。
Enoughsleepisimportanttohealth.Theamountofsleep21dependsontheageofthepersonandtheconditionsinwhichsleep22.Theyoungmayneedmoresleepthantheold,butgenerallyeighthoursareenoughforthehealthofgrown-ups.Somecan23withlessthanthisamountbut24mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto25it.Sleepshouldalwaysbeenoughtomakeonerelaxed(松弛)andreadyfor26work.
Freshairis27tosoundsleep(酣睡).Itisnotwithoutreasonforsomepeopleto28thatitispracticaltosleepintheopenair.29apersoncankeephimselfwarm,out-of-doorsleepingprobablygivesthebody30completerelaxation.
Abilitytosleepislargelyahabit.Theconditionsreferredtoonlyleadtosleep.Out-of-door31,agoodhabitofregulardrinkingandtheavoidanceoflateeatingand32areallhelpfultosoundsleep.Suchfactorsarelargelywithinthecontrolofanyperson.Abathat33,neitherhotnorcoldbutof34temperature,maybehelpfultosleep.Sleepingpillsshouldneverbetakenexceptwhensuggestedby35.
____.
A.help
B.satisfy
C.demand
D.take
4.Enoughsleepisimportanttohealth.Theamountofsleep(21)dependsontheageoftheper-sonandtheconditionsinwhichsleep(22).Theyoungmayneedmoresleepthantheold,hut(23)eighthoursareenoughforthehealthofgrown-ups.Somecandowithlessthanthisamount?but(24)mayneedmore.Everypersonknowshisownneed.Itisthenamatterofhowto(25)it.Sleepshouldbealwaysenoughtomakeonerelaxed(松弛)andreadyfor(26)work.
Freshairis(27)tosoundsleep(酣睡).Itisnot(28)reasonforsomepeopletoinsistthat?itispracticaltosleepintheopenair.(29)apersoncankeephimselfwarm,out-of-doorsleeping?probablygivesthebody(30)completerelaxation.
Abilitytosleepislargelyahabit.Theconditionsrefen-edtoonlyleadtosleep.Out-of-door(31),agoodhabitofregulardrinkingandtheavoidanceoflateeatingand(32)areallhelpful?tosoundsleep.Suchfactorsarelargelywithinthe(33)ofanyperson.Abathat(34),neither?hotnorcoldbutofbodytemperature,maybehelpfultosleep.
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