C 篇练习20篇中考英语一模二模精选题.docx

C 篇练习20篇中考英语一模二模精选题.docx

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C篇练习20篇中考英语一模二模精选题

C—1

Youngeradultswhogeteitherlittlesleeporalotofitmayseeagreaterincreaseintheirwaistlines（腰围）overtime,astudysuggests.

Thestudyincluded332African-Americanand775Hispanic-American（拉丁裔美国人）menandwomenaged18to81.Theresearchersmeasuredtheirabdominal（腹部的）fat,atthestartofthestudyandagainfiveyearslater.

Amongthepeopleyoungerthan40intheresearch,thestudyfound,thosewhosaidtheysleptforfivehoursorlesseachnightgainedmorefatthanthosewhoaveragedsixorsevenhoursofsleep.Thosewhoslepteighthoursormoreinbedeachnightalsoshowedabiggerfatgain-butitwasnotasmuchasthatseenin"shortsleepers."

Thefindings,accordingtotheleadresearcherDr.Kristen,supportthebeliefthatsleephabitsaffectweight,andhealthingeneral."Sleepisanimportantpartofyouroverallhealth--notjustinwhetheryou'retiredduringtheday,"shesaid.

Asforwhysleeptimemightaffectabdominal-fatgain,thereareseveralfacts:

Peoplewhogettoolittlesleepmaybetootiredduringthedaytoexercise,whilethosewhospendalotoftimeinbedmayspendlesstimebeingactive,comparingtopeoplewhosleepfewerhours.Researchalsosuggeststhatsleeplosschangespeople'sappetite-regulatinghormones（胃口调节荷尔蒙）--whichcould,intheory,makethemovereat.

What’smore,depression,whichisafeelingofsadnessthatmakespeoplethinkthereisnohopeforthefuture,couldalsobeareason.Healsonotedthatitoftenaffectspeople'ssleepandhasbeenlinkedtoweightgain.

55.______willgetlessfatgainaccordingtothepassage.

A.Youngeradultswhosleepforfivehoursorless

B.Peoplewhosleepmorethan8hourseveryday

C.YoungeradultswhoarefromAfricaorAmerica

D.Peoplewhosleepaboutsixorsevenhoursaday

56.Theunderlinedword“that”refersto______.

A.afatgainB.sleephabits

C.toolittlesleepD.toomuchsleep

57.Whatcanwelearnfromthepassage?

A.Themorewesleep,themoreenergeticwewillbe.

B.Thelesswesleepeveryday,thelessfatwewillget.

C.Thosewhoareinsadnesscouldeasilygetabiggerfatgain.

D.TheAfricanandHispanicadultseasilygetagreaterweightgain.

55.D56.A57.C

C—2

Theearthis4600millionyearsold.Modernmanhaslivedontheearthforonly35000years,butduringthisperiodwehavechangedourplanetalotinmanyways.Somethingswe’vedoneareverygoodfortheearthwhilesomearenotgood.

Allovertheworld,peoplehavecutdownmillionsoftrees.Whenitrainsorwhenthewindblows,theearthistakenaway.Forestshavebecomedesert,somoreandmoredifferentsortsofanimalsandplantsaredisappearing.

Inbigcities,carsandbuseshavepolluted（污染）theair.Manypeopleincitiesnowhavehealthproblems.

Factorieshavealsopollutedthelandandthewater.Asaresult,manyriversandlakesarenowdead.

Aroundtheearth,there’saspecialkindofoxygencalled“ozone”（O3）.Itisimportantandhelpfultotheearth.Butnowairpollutionisdestroyingitandthathasmadeaverybigholeintheozonelayer（臭氧层）.Toomuchharmfulradiationfromthesunpassesthroughtheholeandreachestheearth.Thisisverydangerousbecausethisradiationcancausecancer.

Carbondioxide（CO2）intheairhasincreasedalot.Itcomesfromburningoil,coalandwood.Thishasformed（形成）a“blanket”aroundtheearth.Theheatfromthesuncan’tescapesothetemperatureisrising.Thisiscalled“thegreenhouseeffect”.Itcausestheleveloftheseatoriseandtheclimateoftheearthtochange.

Alltheseproblemsareveryserious,sowemustdosomethingnow.261words

54.Howoldisourplanet?

A.It’sabout35000yearsold.B.It’slessthan35000yearsold.

C.It’sabout4600millionyearsold.D.It’smorethan35000yearsold.

55.Whichofthefollowingisnottrue?

A.Carscanpollutetheair.

B.Thefewertrees,thebetter.

C.Factoriescanpollutethewater.

D.Notallthethingswehavedonearegoodfortheearth.

56.Inthepassage“blanket”refersto.

A.carbondioxidearoundtheearthB.theozonelayerinthesky

C.theforestaroundtheworldD.pollutionallovertheworld

54-56CBA

C—3

Britishpeoplearefamousfordrinkingtea.Butbrotherandsister,SaharandBobbyGreen,becameyoungmillionaireswhentheyopenedachainofAmerican-stylecoffeeshopsintheU.K.

Havingtheidea:

ItstartedwhenSahartookaweekendtriptoNewYorktovisitherbrotherBobby.Oneevening,inaThairestaurant,SahartoldBobbyhowmuchshewishedshecouldbuyAmerican-stylecoffeeinLondon.Bobbysuggestedtheystarttheirowncoffeeshop.Saharfellinlovewiththeidea.

Doingtheresearch:

BackinLondon,shespentawholedayontheLondonsubway,gettingoffthetrainatdifferentstationstotastethecoffee.“Itwashorrible,andIknewt