初中学生科普英语竞赛模拟题1.docx
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初中学生科普英语竞赛模拟题1
初中学生科普英语竞赛
（请把你选中的答案A、B、C或D做在答题卡或答题纸的规定位置上。
）
PARTIScienceKnowledge（15分）
Directions:
Thereisonlyonecorrectanswer.MarkthecorrespondingletterontheAnswerSheet.
1.Whentheantsarefirsthatched,theyareverysmalland_____.
A.hopelessB.uselessC.helplessD.legless
2.Thatnewexperimentbuilding_____anareaof5000squaremeters.
A.includesB.holdsC.takesD.covers
3.Peopleshouldget_____ofsleepastheyneedtofeelrested.
A.asmanyhoursB.asmuchhours
C.somuchhourD.somanyhour
4.Thephenomenonofluckisnotalldowntochance,butisaffectedbyaperson’s_____disposition.
A.generalB.gentleC.generousD.giant
5.Theageoffossilscanbefoundbyaprocess_____carbondating.
A.beingcalledB.calledC.callingD.tocall
6.Suddenlythebatteryonyourmobilephonehas_____,youcan’tmakeanycallforhelp.A.rundownB.runafterC.runoffD.runout
7.Whenaplantoranimaldies,thecarbon14inthecellsbeginsto_____.
A.breakinB.breakthroughC.breakupD.breakdown
8.Thereisnoproofthat_____sleepwill_____life.
A.short…lengthB.shorten…length
C.shortened…lengthenD.shortening…lengthen
9.Theprojectteambelievessuchcomputerwould_____inteachingandlearning.
A.playamajorfunctionB.performamainfunction
C.playamajorroleD.displayamainrole
10.Onceaheartdiseasehasseriouslyweakenedapatient’sheart,heart_____canbeperformedtosavehislife.
A.transplantsB.transportation
C.translationsD.transforms
11.Whenreaderswereasked_____animalsshouldbeusedformedicalresearch,nearly80percentsaidyes.
A.whichB.whatC.whereD.whether
12.Feelingsofpain_____whensignalsfromnerveendingsintheskinaresenttothebrain.
A.recordB.resourceC.resultD.rescue
13.Thescientistperformedhisexperimentoverandoveragain,______tillmidnight.
A.workedB.workingC.toworkD.havetowork
14.Fourteenboysintheclassshavedtheirheadsafterlearningthattheirfriendwouldlosehishairafterreceivingdrug_____forcancer.
A.tradesB.treatmentsC.treasuresD.tracks
15.Thegovernmentpassedthelawstoprotecttheplantsandanimalsonthe_____specieslist.
A.endangeredB.dangerousC.endangeringD.danger
PARTIIGrammar&Vocabulary（15分）
Directions:
Thereisonlyonecorrectanswerforeachsentence.MarkthecorrespondingletterontheAnswerSheet.
16.Moreandmoreforeignerswantto_______theircompaniesinZhejiang.
A.cleanupB.lookupC.pickupD.openup
17.CanI______yourdictionary?
--Sony,I'musingit.
A.borrowB.lendC.keepD.return
18._______mecarefully,boysandgirls.Canyou_____meclearly.9
A.Listento,hearfromB.Hear,listento
C.Hear,hearD.Listento,hear
19.Letthechildrengoaway.They'remakingtomuch_______here.
A.noiseB.voiceC.soundsD.songs
20.Thestudentsputdowntheirpenswhentheteacher_____themtostopwriting.
A.saidB.spokeC.toldD.talked
21.He________livinginthecountrytothecity.
A.likesB.prefersC.enjoysD.loves
22.Manygirlslike__________skirtsinsummer.
A.wearingB.dressingC.inD.puttingon
23Ifyoudon'tknowaword,youcan________thewordinadictionary.
A.lookupB.lookdownC.lookoverD.lookout
24MrLiwouldliketo_________usaninterestingstory.
A.tellB.talkC.sayD.speak
25._________alwaytheoldbooksand__________methatnewone.
A.Bring,bringB.Bring,takeC.Take,takeD.Take,bring
26.--I'mgoingtoschoolnow,Mum,Bye.
--Justaminute.It'scoldoutside,_________yourcoat,please.
A.PutonB.TakeoffC.PutupD.Takedown
27.Itisbettertoteachamantofishthan________himfish.
A.togiveB.givingC.tofindD.finding
28.ThisTVsetistooloud,willyouplease_________?
A.turndownitB.turnitdown
C.toturnitdownD.toturndownit
29.Itwillbewarmertomorrow.Thetemperaturewill_________again.
A.fallbelowB.goupC.stayaboveD.keepon
30.Dickisn'there.He_________thecinema.
A.hasgonetoB.hasbeento
C.hasbeenawayD.hasbeenwith
PARTIIICloze（完形填空）（20分）
Passage1
AnewstudyhasshownthatmosquitoescancarryAIDSvirusesintheirbodiesforafewdays,buttheinsectsdonotseemtospreadthevirus.
Inan31,mosquitoesthatfedonblood32withtheAIDSviruswerelaterfoundtohavethevirusintheirbodies.33,themosquitoesdidnotseemtopass34thevirustoasampleofuninfectedbloodwhenthemosquitoesfedonthatsample.Similarexperiments35recentlyinSouthAfricahave36thesameresults.
TheAIDSviruscanstayinamosquitofortwoorthreedays,37totheexperiment.Whileinthemosquito,thevirusdoesnotmultiply.Thus,themosquitomightbeviewed38amomentaryflyingsyringe,thatprobablycarries39toolittleAIDSvirusto40theinfection.
31.
A.experience
B.experiment
C.example
D.explanation
32.
A.toinfect
B.infect
C.infecting
D.infected
33.
A.However
B.Moreover
C.Therefore
D.Besides
34.
A.on
B.by
C.off
D.for
35.
A.concluded
B.combined
C.conducted
D.concentrated
36.
A.processed
B.produced
C.progressed
D.promoted
37.
A.according
B.due
C.owing
D.similar
38.
A.to
B.like
C.for
D.as
39.
A.still
B.even
C.far
D.much
40.
A.slow
B.spread
C.speed
D.stop
Passage2
Alltheusefulenergyatthesurfaceoftheearthcomesfromtheactivityofthesun.Thesunheatsand41mankind.Eachyearitprovidesmen42twohundredmilliontonsofgrainandnearlytenmilliontonsofwood.
Coal,oil,43gas,andallotherfuelsarestored-upenergy44thesun.Somewascollectedbythisseason’splantsascarboncompounds（碳化合物）.Somewasstoredbyplantsandtreesages45.
Evenwaterpowercomesfromthesun.Water46intovaporbythesunfallsasrain.Itflowsdownthemountainsandisconvertedtoelectricpower.
Lighttransmitsonlytheenergy47comesfromthesun’souterlayers,and48ofthisenergythatisdirectlytowardtheearthneverarrives.About49ofitisabsorbedbytheatmosphereoftheearth.50,theearthitselfgetsonlyonehalf-billionthofthesun’sentireoutputofradiantenergy.
41.
A.
warms
B.
feeds
C.
fuels
D.
supplies
42.
A.
for
B.
by
C.
with
D.
to
43.
A.
native
B.
neat
C.
natural
D.
normal
44.
A.
from
B.
by
C.
at
D.
in
45.
A.
before
B.
after
C.
ever
D.
ago
46.
A.
turned
B.
wasturned
C.
turning
D.
turns
47.
A.
and
B.
that
C.
when
D.
where
48.
A.
anumber
B.
more
C.
many
D.
much
49.
A.
ninths-ten
B.
ninth-tens
C.
nine-tenths
D.
nines-tenth
50.
A.
Inuse
B.
Infact
C.
Inaddition
D.
Inoperation
PARTIVReadingComprehension（阅读理解）（40分）
Passage1
Languageisn’ttheonlysignofanimalintelligence.ACanadianpsychologist,Dr.DavidSherry,hasstudiedtheremarkablememoryofnutcracker,abirdthatstoresfood，mostlypineseeds,intinycaches,orholes,intheground.AnativeofwesternNorthAmerica,onenutcrackermakes100to200separatecacheseverydayinthefallandwinter.Whenspringarrives,thebirdreturnstothesecachestoeattheseeds.
Dr.Sherrysaysthatmonthsafterburyingtheseeds,thebirdsrememberexactlywheretheystoredthem.Theyflydirectlytotheholeswithnoneedtohuntandpeck.“Thesebirdshaveahighlyspecializedspatialmemory---it’samazing,”saysDr.Sherry.
Dr.Sherrysaysthatmemoryinmanyanimalsisassociatedwithanareainthebraincalledthehippocampus.Hefoundthatfood-storingbirdshavealargerhippocampusthanbirdsthatdon’tstorefood.HippocampusdamageisonesignofAlzheimer’sdisease,abraindegenerativediseasemarkedbyafailingmemory.
51.Whatdoesthepassagemainlydiscuss?
A.Somekindsofbirdshaveexcellentmemory.
B.Howbirdsstorefoodintheground.
C.Howbirdsfindtheirstoredfood.
D.Whybirdsliketoburyseedsintheground.
52.Nutcrackerisakindofbirdthat_____.
A.storesseedsintheground
B.singsverynicely
C.fliestonorthinwinterdays
D.worksdiligently
53.Whenspringarrives,thebird_____.
A.returnsfromnorth
B.fliesbacktofindthestoredfood
C.startstobuilditsnewhome
D.becomesbusyincollectingseeds
54.AccordingtoDr.Sherry,ifone’shippocampusishurt,hemay_____.
A.losehisabilitytotalk
B.becomeveryforgetful
C.dieverysoon
D.becomeeasytogetangry
55.Thephrase“associatedwith”inthelastparagraphhasthesamemeaningas_____?
A.“linkedto”
B.“coveredwith”
C.“locatedat”
D.“storedin”
Passage2
Gordonwasa25-year-oldscienceteacherin1966whenheboughtabrand-newcarVolvoP1800.Today,Gordon,nowretired,stillownsthesameVolvo.LastMarch,heputthe2millionthmileonthecar.
Gordon’svehiclehitthebig2millionataTVceremonyheldinTimesSquareinNewYorkCity.
TowhatdoesGordonowehiscar’sverylonglife?
“Volvosareverystrongcars,”hesaid.“Also,Idrivesensibly.AndItakeverygoodcareofthecar.”
Gordonchangestheoilevery3,000miles;usesonlythesamebrandofoil;changesthesparkplugs（火花塞）every20,000miles;washesthecarregularly;waxesitatleasttwiceayear;andspendsafewminuteseachweekcheckingunderthehood（车篷）,amongotherthings.“Beingascienceteacher,Ihaveabetterideaofthewaysthingswork,”hesaid.
Gordonsaysthevehiclestillhasmanyofitsoriginalparts.Butmanyparts,suchasthestartermotor,thebrakes（刹车）,andthewaterpump,havebeenrebuiltorreplaced.
Gordon’s2millionmilesontheroadhavetakenhimalmost
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