河南省太康一高届高三英语上学期第二次月考试题无答案新人教版Word文档下载推荐.docx
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河南省太康一高届高三英语上学期第二次月考试题无答案新人教版Word文档下载推荐.docx
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Somewarmandsomecool.Butinfact,humansaregivingoutalotofextraaerosols,andtheytendtocoolforthemostpart."
Theaerosolsreflectsunlightbackintospace,orkeepuscool.Butitturnsoutthat'
snotalltheydo.Theseaerosolsalsoinfluencehowmuchcarbondioxidegetsdrawnoutoftheairbyplantsonlandandinthesea.
Theycanaddnutrients,forexample,totheoceansortotheland,"
Mahowaldsays."
Butalsowhilethey'
reintheatmospheretheycanchangetheclimate,andthusthatalsocaninfluencetheamountofcarbon,thelandortheoceancantakeup.Sotherearequiteafewdifferentwaysthataerosolscanactoneachother."
Mahowald'
sresultssuggestthatreducingthosepollutantscouldbeanevenbiggerproblemthanrealized,whenyouconsiderthataerosolshelpremovecarbondioxide
fromtheairbyencouragingplantgrowth.Hardnumbersonthiseffectarehighlyuncertainatthemoment,butthiscouldturnouttobequitesignificant.
Andstudyingitisnoteasybecausetheeffectsaren'
twellunderstood.Forexample,nitrogencanbeafertilizer(肥料),butitcanstopplantgrowingwhennitrogencomesoutoftheairinacidform.
Rightnowitseemslikewe'
remuchmorelikelytocleanupaerosolpollution,whileincreasingtheamountofcarbondioxideintheair.Soscientists,unfortunately,mayhaveachancetoseewhetherthisexperimentonourplanetshouldcontinueornot.
1.FromParagraph2,weknowthat
A.scientistshavebeenawareofhowaerosolswork
B.cleaninguptheairissopopular
C.NatalieMahowaldisanexpertinclimate
D.pollutantsareundercontrolsofar
2.WhatisNatalieMahowald'
sopiniononthoseaerosols?
A.Alltheaerosolswillcooltheearth.
B.Aerosolscaninfluenceeachotherinvariousways.
C.Aerosolscanaddnutrientstohumanbeings.
D.Anykindofaerosolswillwarmtheearth.
3.Whatdoesthelastsentenceofthepassageimply?
A.Scientistshavedifficultyintheexperiment.
B.Theexperimentwillbesuccessful.
C.Scientistswillcarryouttheexperiment.
D.Scientistswillbeinadilemma.
4.Whichofthefollowingcanbethebesttitleofthispassage?
A.TheInfluenceofAerosols
B.TheExperimentonthePlanet
C.TheReasonforGlobalWarming
D.PollutantsintheAir.
B
AnypassengeronthesubwaywhocaughtaglimpseofmemayhavealreadythoughtthatIwasstrange.Inparticularthisgentlemansittingoppositemewasstaringatme,atthecheesebunonthefloorinfrontofme,andthenbackatme;
“Nextstop,St.PatrickStation”mystopwasquicklycomingup.Ihadminutestoeithertakethecheesebun,whichnobodyelsewasclaiming(asapassengerprobablydroppeditbymistakeandgotoffatapreviousstop),orleaveitthereandhopethatitdidn’tgotowaste.
InthosefewminutesIfeltmypridegettingintheway.“WhatwouldotherpeopleonthissubwaythinkofmeifItooktheCheesebun?
WouldtheythinkthatIwaspoorandhungry?
WouldtheythinkthatI’mstealing?
”
Theignorantthingtodowassay“yes”toanyofthoseself-imposed(强加的)questions,whichwouldonlyjustifymyego.ButthenI’dgetoffthesubway,walkablockupthestreettomyoffice,getsettledatmydesk,anddespitefeelingcomfortable,warm,andbeingwell-fedmyselfforthewholeday,therewouldbeaweightofguiltandregretweighingonmyconsciousness.
Mythoughtswerepushingmetowardsprideandignorancewhenthetruthwasevident:
thismissingcheesebunisagift.Fora
homelesspersonwhoishungryandcold.Formetoovercomealittlebitofegoandpassalongsomuchkindness.ItwasclearthatthehomelesspersonwhowouldreceivethischeesebunneededitjustasmuchasIdid.gkstk
JustasthedoorsopenedatmystopIgrabbedthecheesebunandexitedthesubway.ItfeltawesomeandIdidn’tcareifpeoplewerelookingorwhattheythought.Insteadofgoingdirectlytomyofficeasusual,IwalkedafewmoreblocksuptoQueen’sParkwhereIhaveseenahomelessmansittingoutsidemanytimesonmywalkfromthegymtomyoffice.Ialwayswantedtogivehimsomething.Therehewasthismorning,wrappedinasleeping
bag.
5.Astheauthorwasgettingoffthesubway,he_____.
A.feltworriedaboutwheretogobecausehewasastrangerinthiscity
B.wassufferingfromhungerashewashurryingtoworkwithoutbreakfast
C.tookaglimpseofallthepassengers,especiallythegentlemansittingoppositehim
D.couldn'
tdecidewhethertotakethecheesebunonthefloorinfrontofhimornot
6.Whatismainlydiscussedinthe2ndparagraph?
A.
Theinnerstrugglewithintheauthor.
B.Theauthor’sconcernaboutothers.
C.Theauthor’sreactiontotheproblem.
D.Theauthor’sopiniontowardstheissue.
7.Theauthorgrabbedthecheesebunthemomentbeforehegotoffbecause______.
A.hethoughtitawastetoleavethecheesebunthere
B.itremindedhimofahomelessmanhehadmetrecently
C.hevaluedkindnessmorethanhisownprideafteracarefulthought
D.nobodywasnoticinghimastheyweregettingreadytogetoff
8.Fromthetextwecanknowtheauthorwas______.
A.generous
B.caring
C.selfish
D.timid(胆小的)
C
Ifyou'
veeverseenthewaypeopleinteractedwiththeirpets,itcomesasnosurprisethatthere'
ssomegerm-exchanginggoingonthere.Anewstudyindicatesthatdogownershipspecificallymaybeoneofthebiggestsinglecontributorstowhatkindsofmicrobesthatliveonyourskin.
AteamofresearchersledbySeJinSongattheUniversityofColorado,Boulder,tookswabs(化验标本)ofthetongues,palms,foreheadsandfeces(排泄物)ofmembersof60familyhouseholds.Someofthefamilieshadchildrenorhouseholdpetsandsomedidnot;
dogsweretheonlypetsswabbed.
ResearchersthenanalyzedtheDNAofthebacteriatheyfoundtodeterminehowdiversethebacteriapopulationswere.Notsurprisingly,familymemberswholivedtogetherhadmorebacteriaincommonthanmembersofseparatehouseholds.Bacteriaontheskinwereespeciallysimilarwithinhouseholds,probablybecausewepassmicrobesthroughtheair,throughdirectcontact,andviathesurfaceswetouch.[]
Themostsurprisingthingwasthattheskinbacteriaofdogownersfromdifferenthouseholdswerealmostsimilarasifthey'
dcohabitedwithoutadog.Putanotherway,youandafriendacrosstownwhobothowndogsshareaskinecosystemasalikeasamarriedco
upledoes.
Thereasonforthisappearstobethatdogsharborsomekindsofbacteriathatarerareonhumanskin.Oneinparticular,afamilyofbacteriacalledMethylophilaceae,wasabundantinthemouthsofdogssampledaswellastheskinoftheirowners—indicating"
acommonoccurrenceoforal-skintransferbetweendogsandtheirowners"
accordingtotheresultspublishedinthejournalLife.
9.Fromthestudy,weknowthat________.
A.onlydogownershipcontributestothesortofmicrobesthatliveonourskin
B.nobodyfindsitsurprisingthatthereshouldbesomegerm-exchangingbetweendogsandtheirowners
C.therewouldmostprobablybenomicrobeonourskinifitwerenotfordogs
D.somekindsofbacterialiveonourskinbecauseofdogownership
10.TheresearchtookthefollowingfactorsintoconsiderationEXCEPT________.
A.varietiesofswabsfrommembersof60familyhouseholds
B.dogsbeingtheonlypetsinthehouseholds
C.familieswithoutchildrenorhouseholdspets
D.familieswithchildrenorhouseholdspets
11.WhydidresearchersanalyzetheDNAofthebacteriatheyfound?
A.Todecidewhetherthebacteriawereofthesamekindsornot.
B.Tofindouttheexactnumberoftheb
acterialivingonhumanskin.
C.Tosearchforthewaymicrobespassfromonememberofafamilytoanother.
D.Toprovethatfamilymemberswholivedtogetherhadthesamebacteriaasthemembersofseparatehouseholds.
D
Seatedinaconvertible(敞篷车)withthetopdownat60milesanhour,MarylookedatthefliesthatsatontopofMark'
shair.Howcouldtheystaythere?
Shewondered.
MaryhadnotseenMarkinyears,untiltheotherdaywhenhecameintothecafé
wheresheworked.Hisappearancewasdifferentfromwhenhewasinhighschool.Now,hewasabitfatandthickglassescoveredhiseyes.However,thatdidn'
tchangeMary'
sfeelingsforhimatall.Hehadjustboughtabrandnewredsportscarandaskedherifshewou
ldliketogoforarideandthenhavedinnerwithhim.Herheartbeatwithexcitementasheopenedthedoorforher.ShenoticedsomethingverystrangeasMarkgotintothecarandstartedtodriveaway.Onthehairwasagroupoffliesjustsittingthere.
Marystaredinamazement.Itseemedthefastertheydrove,themoredeterminedthefliesweretosticktohishair.
Maryremainedsilent.Sheleanedforwardandturnedtheradioon,totrytodivertherattentionawayfromtheflies,butshecouldn’thelpthinkingaboutthem.ShelookedupatMark,whowascompletelydevotedtowhatwasgoingonandcontinuedtosingtothemusicwhiledrivingmerrilyalong.[]
Finally,Markpulledthevehicleovertothesideofth
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