中考英語(yǔ)難點(diǎn)練習(xí)

英語(yǔ)閱讀練習(xí)1

Ifyoulookattheskyonenightandseesomethingmovingandshiningthatyouhaveneverseenbefore,itmightbeacomet(彗星).

Acometsometimeslookslikeastar.Likeaplanet,acomethasnolightofitsown.Itshinesfromthesunlightitreflects(反射).Liketheearth,acometgoesroundthesun,butonamuchlongerpath(軌道)thantheearthtravels.

Ifacometisn’tastar,whatisitthen?

Somescientiststhinkthatalargepartofacometiswaterfrozenintopiecesoficeandmixedwithironandrockdustandperhapsafewbigpiecesofrock.Whensunshinemelts(融化)theiceinthecomet,greatcloudsofgasgotrailingafterit.Theseclouds,togetherwiththedust,formalongtail.

Manypeopleperhapshaveseenacomet.Howevernooneknowshowmanycometsthereare.Theremaybemillionsofcomets,butonlyafewcomecloseenoughforustosee.

AnEnglishmannamedEdmundHalley,wholivedfrom1656to1742,foundoutalotaboutthepathsthatcometstakethroughthesky.Somecometsmoveoutofoursightandnevercomeback.Otherskeepcomingbackatregulartimes.AbigcometthatkeepscomingbackwasnamedafterHalleybecausehewastheonewhoworkedoutwhenitwouldcomebackagain.MaybeyouhaveeverseenHalley’sCometsbecausethelasttimeitcameclosetothesunandtheearthwasintheyear1986.Thenpeopleallovertheworldwereoutsideatnighttolookatit.YouwillprobablybeabletoseeHalley’sCometswhenitcomesneartheearthagain.

1.Acometislike________.

A.sunB.moonC.sunlightD.theearth

2.Alargepartofacometis______.

A.waterandrock

B.waterfrozenintopiecesoficeandmixedwithiron

C.ice,ironandrockdust

D.onlyafewbigpiecesofrock

3.Maybemanypeople_______.

A.haven’tseenanycometsB.haveseenallcomets

C.haveseenacometatdaytimeD.haveseenacomet

4.Somecometskeepcomingback________.

A.atanytimeB.atnoonC.atregulartimesD.atdaytime

5.Halley’sCometscameback_____.

A.in1990B.in1980C.in1986D.in1989

Firecanhelppeopleinmanyways.Butitcanalsobeveryharmful(有害的)。Firecankeepyourhouse__1__，givelightandcookfood.Butfirecanburnthings__2__.Bigfirecanburn，trees，houses，animalsorpeople.

Nobodyknowshowpeoplebegantousefire.Butthereare__3__.interestingoldstoriesabouthowamanorwomanstartedafire.Oneis__4__aman.Theman__5__averylongtimeago.Hewentupthesunand__6__firedown.

Todaypeopleknowhowtomakeafirewithmatches(火柴)。Childrensometimes__7__toplaywiththem.Butmatchescanbeverydangerous.Onematchcanburnapieceofpaper.and__8__itcouldburnahouse.Asmallfirecanturnabigfire.veryquickly.Soyou__9__becarefulwithmatches.

Becarefulwithfire，anditwill__10__you.Butifyouaren’tcarefulwithfire.anditmayhurtyou.

1.A.warmB.warmerC.coolD.cooler

2.A.alsoB.tooC.eitherD.neither

3.A.manyB.muchC.littleD.no

4.A.overB.aboutC.alittleD.no

5.A.workedB.studiedC.learnedD.lived

6.A.bringB.takeC.broughtD.took

7.A.enjoyB.likeC.don’tlikeD.become

8.A.afterB.lateC.yetD.then

9.A.canB.manC.willD.must

10.A.helpB.doC.tellD.hope

Moreandmorepeopleare___1_____thelifewithcomputers.UsingcomputersyoucansendE-mail____2___andeasily.Youareabletosendaletterwithpicturesandsoundstosomeone___3____intheworldwithoutputtingastamp.E-mailcansenditsmessagetotheothersideoftheworld____4_____seconds.E-mailiseasytouseandit_____5___timeandmoney.Itserves(服務(wù))fortwenty-fourhours.Soitdoesn’tmatterifyourfriendsareinbedwhenyousendE-mailtothem,oryouareseeingafilmatthecinemawhentheysendE-mail____6____.Canyouimagine(想象)thefuturewithoutteachers____7_____computures?Studentswillteachthemselvesintheschoolsofthefuture.Computershelpstudentsdeveloptheirownwaysof____8___.Studentswillfollowthelearningprogrammesbylookingatonlinelibrariesand_____9____lessonsbyworld-classteachers.Iftheydon’tunderstandsomething,theywillaskotherstudentsonlineorE-mailtheirteachers.Computersarebecomingmoreandmore_____10_____indeed.

1_________2_____________3_____________4____________5_____________

6_________7_____________8_____________9____________10_____________

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[2013重慶