全国专业技术人员职称英语等级考试1

全国专业技术人员职称英语等级考试

理工类A级65篇阅读课文之1

Beesandcolour

Onourtableinthegardenweputabluecard,andallaroundthisbluecardweputanumberof

differentgreycards.Thesegreycardsareofallpossibleshadesofgreyandincludewhiteand

black.Oneachcardawatch-glassisplaced.Thewatch-glassonthebluecardhassomesyrupinit;

alltheothersareempty.Afterashorttimebeesfindthesyrup,andtheycomeforitagainand

again.Then,aftersomehours,wetakeawaythewatch-glassofsyrupwhichwasonthebluecard

andputanemptyoneinitsplace.

Nowwhatdothebeesdo?Theystillgostraighttothebluecard,althoughthereisnosyrupthere.

Theydonotgotoanyofthegreycards,inspiteofthefactthatoneofthegreycardsisofexactly

thesamebrightnessasthebluecard.Thusthebeesdonotmistakeanyshadeofgreyforblue.In

thiswaywehaveprovedthattheydoreallyseeblueasacolour.

Wecanfindoutinjustthesamewaywhatothercloursbeescansee.Itturnsoutthatbeescansee

variouscolours,buttheseinsectsdifferfromusasregardstheircolour-senseintwovery

interestingways.Supposewetrainbeestocometoaredcard,and,havingdoneso,weputthered

cardonthetableinthegardenamongthesetofdifferentgreycards,thistimewefindthatthebees

mistakeredfordarkgreyorblack.Theycannotdistinguishbetweenthem.Thismeansthatredis

notacolouratallforbees;forthemitisjustdarkgreyorblack.

Thatisonestrangefact;hereisanother.Arainbowisredononeedge,violetontheother.Outside

thevioletoftherainbowthereisanothercolourwhichwecannotseeatall.Thiscolourbeyond

theviolet,invisibletous,iscalledtheultra-violet.Althoughitisinvisible,weknowthatthe

ultra-violetistherebecauseitaffectsaphotographicplate.Now,althoughweareunabletosee

ultra-violetlight,beescandoso;forthemultra-violetisacolour.Thusbeesseeacolourwhich

wecannotevenimagine.Thishasbeenfoundoutbytrainingbeestocomeforsyruptovarious

partsofaspectrum,orartificialrainbow,thrownbyaprismonatableinadarkroom.Insuchan

experimenttheinsectscantotaughttoflytotheultra-violet,whichforusisjustdarkness.

1.Whatdoestheexperimentwiththebeesinthefirstandsecondparagraphstellus?

A.Beesregardblueasacolour.

B.Beeslikethebluecolour.

C.Blueattractsmorebeesthananyothercolour.

D.Blueistheonlycolourtoattractbees.

2.Whatdoestheexperimenttellusinthethirdparagraph?

A.Beesareattractedonlybytheredcolour.

B.Redistoobrightacolourforbees.

C.Beesdonotregardredasacolour.

D.Beeslikeredaswellasblue.

3.Whydidtheexperimenterscreateanartificialrainbowfortheirexperiment?

A.Toidentifyhowgoodbees'eyesightwas.

B.Totestwhetherbeescouldseeultra-violetlightasacolour.

C.Toseewhetherbeescanrecognisethe7visiblecoloursatonce.

D.Tocheckwhetherbeesprefersomecoloursinaspectrum.

4.Whatdoesthefourthparagraphtellusconcerningbeesandcolours?

A.Beescanrecognisecertaininvisiblecolours.

B.Beescanrecogniseultra-violetthatisinvisibletohumans.

C.Beesmaybeharmedbyultra-violetlight.

D.Bee'sworkmayaffectaphotographicplate.

5.Whatcanweconcludefromthepassage?

A.Beescanseemorecoloursthanhumans.

B.Theabilitytorecognisecoloursvariesfrombeetobee.

C.Beesaremoresensitivetocoloursthanhumans.

D.Beesrecongnisecolours,butsomewhatdifferentlyfromhumans.

acbbd

全国专业技术人员职称英语等级考试

理工A65-2：

Diningcustom

Everylandhasitsowndiningcustom,andtheUnitedStatesisnoexception.Americanfeelthat

thefirstruleofbeingapoliteguestistobeontime.Ifapersonisinvitedtodinnerat6:30,the

hostessexpectshimtobethereat6:30ornotmorethanafewminutesafter.Becausesheusually

doesherowncooking,shetimesthemealsothatthecoffeeandmeatwillbeattheirbestatthe

timesheaskstheguesttocomeifheislate,thefoodwillnotbesogood,andthehostesswillbe

disappointed.Whentheguestcannotcomeontime,hecallshishostorhostessonthetelephone,

givesthereason,andtellsatwhattimehethinksthecancome.

Asguestscontinuetoarrive,themeninthegroupstandwhenawomanentersandremain

standinguntilshehasfoundachair.Amanalwaysriseswhenheisbeingintroducedtoawoman,

awomandoesnotrisewhensheisbeingintroducedeithertoamenorawomanunlessthewoman

ismucholder.

Whentheguestssitdownatadinnertable,itiscustomaryforthementohelptheladiesby

pushingtheirchairsunderthem.

EvenanAmericanmaybeconfusedbythenumberofknives,forks,andspoonsbesidehisplate

whenhesitsdowntoaformaldinner.Theruleissimplehowever:Usethemintheorderinwhich

theylie,beginningfromtheoutside.Orwatchthehostessanddowhatshedoes.Thesmallforkon

theoutsideontheleftisforsalad,whichisoftenservedwiththesoup.Thespoonontheoutsideat

therightisforsoup.Andsoon.sometimesthereisaseparatelittleknife,calledabutterspreader,

onasmallbread-and-butterplateattheleft.Asthebreadispassed,eachguestputshispieceon

thebread-and-butterplate.

1.thepassageismainlyabout

A.Howtoacceptotherpeople'sinvitationtodinner.

B.Howtobehaveproperlybeforeandatdinner.

C.Howtobepolitetoladiesatdinner.

D.Howtousetherightkindofknivesandforks.

2.Inordertobeapoliteguest,thefirstthingonehastodois

A.Toarrive30minutesearlier.

B.Ibphonethehostessbeforearrival

C.Nottobringtoomanypresents.

D.Nottobelatefordinner.

3.Whenbothamanandawomanareintroducedtoanotherwomanabouttheirage,whonormally

hastorise?

A.Boththemanandthewoman

B.Onlytheman

C.Onlythewoman

D.Neitherofthem

4.Accordingtothepassage,whichofthefollowingmayneedknives,forksandspoonsthemost?

A.adinnerparty

B.apicnic

C.breakfast

D.afternoontea

5.Whichofthefollowingstatementsisincorrect?

A.Incaseofbeinglate,theguestmustphonethehostess.

B.Followthehostessinusingdifferentsetsofknivesandforks.

C.Assoonasawomanguestenters,mencansitdown.

D.Menshouldhelpwomentositdownatthedinnertable.

bdbac

全国专业技术人员职称英语等级考试

理工类A级65篇阅读课文之3

Thesea

Whatdoyouknowaboutthesea?Weknowthatitlooksveryprettywhenthesunisshiningonit.

Wealsoknowthatitcanbeveryroughwhenthereisastrongwind.Whatotherthingsdowe

knowaboutit?

Thefirstthingtorememberisthattheseaisverybig.Whenyoulookatthemapoftheworldyou

willfindthereismorewaterthanlandtheseacoversthreequartersoftheworld.

Theseaisalsoverydeepinsomeplaces.Itisnotdeepeverywhere.Somepartsoftheseaarevery

shallow.Butinsomeplacesthedepthoftheseaisverygreat.Thereisonespot,nearJapan,where

theseaisnearly11kilometersdeep!Thehighestmountainintheworldisabout9kilometershigh.

Ifthatmountainwereputintotheseaatthatplace,therewouldbe2kilometersofwateraboveit!

Whatadeepplace!

Ifyouhaveswuminthesea,youknowthatitissalty.Youcantastethesalt.Rivers,whichflow

intothesea,carrysaltfromthelandintothesea.Somepartsoftheseaaremoresaltythanother

parts.Thereisonesea,calledtheDeadSea,whichisverysalty.Itissosaltythatswimmers

cannotsink!FishcannotliveintheDeadSea!

Inmostpartsofthesea,thereareplentyoffishesandplants,somelivenearthetopofthesea.

Otherslivedeepdown.Therearealsomillionsoftinylivingthingsthatfloatinthesea.These

floatingthingsaresosmallthatitishardtoseethem.Manyfishlivebyeatingthese.

Theseacanbeverycold.Divers,whogodeepdowninthesea,knowthis.Onthetopthewater

maybewarm.Whenthedivergoesdownwards,theseabecomescolderandcolder.

Anotherthinghappens.Whenthedivergoesdeeper,thewaterabovepressesdownonhim.It

squeezeshim.Thenthediverhastowearclothesmadeofmetal.Buthecannotgoverydeep.

Somepeoplewhowantedtogoverydeepusedaverystrongdivingship!Theywentdowntothe

deepestpartoftheseainit.Theywentdowntoadepthofelevenkilometers!

1.Whendoesthesealookbeautiful

A.Whenitiscalm.

B.Whentheweatherisfine.

C.Whenthereisastrongwind.

D.Whenthereisastorm.

2.Howmuchoftheearth'ssurfacedoeslandcover?

A.15%

B.25%

C.35%

D.45%

3.WhydoestheauthorcitetheseasomewherenearJapan?

A.Toshowthattheseainsomeplacesisverydeep.

B.Toshowthattheseainsomeplacesisveryshallow.

C.lbshowthatitsdepthis9kilometersgreaterthantheheightofthehighestmountain.

D.Toshowthatitsdepthis11kilometersgreaterthantheheightofthehighestmountain.

4.WhichofthefollowingstatementsabouttheDeadSeaisnottrue?

A.Thereareplentyoffishesinit.

B.Itisasafeplaceforswimmers.

C.Itisextremelysalty.

D.Nofishcanbefoundinit.

5.Whycan'tpeoplegoverydeepinthesea?

A.Becausethedeepestpartoftheseaisverycold.

B.Becausethedeepestpartoftheseaisveryrough.

C.Becausethepressureofwateratgreatdepthsisunendurable.

D.Becausethedeepestpartoftheseaisverysally.

bbaac

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理工类A级65篇阅读课文之4

Rocketsinthesky

Ifsomeoneaskedyou,“whatcoloristhesky?”Iexpectthatyouwouldanswer,"blue."Iam

afraidthatyouwouldbewrong.Theskyhasnocolor.Whenweseeblue,wearelookingatblue

sunlight.Thesunlightisshiningonlittlebitsofdustintheair.

Weknowthatthereisairallaroundtheworld.Wecouldnotbreathewithoutair.Airplanescould

notflywithoutair.Theyneedairtolifttheirwings.Airplanescannotflyveryhighbecauseasthey

gohighertheairgetsthinner.Ifwegofarenoughawayfromtheearth,wefindthereisnoair.

Whatisthesky?Theskyisspace.Inthisspacethereisnothingexceptthesun,themoonandall

thestars.

Scientistshavealwayswantedtoknowmoreabouttheotherworldsinthespace.Theyhave

lookedatthemthroughtelescopesandinthiswaytheyhavefoundoutagreatdeal.

Themoonisabout384,000kilometersawayfromtheearth.Anairplanecannotflytothemoon

becausetheairreachesonly240kilometers.Thenthereisnoair.Butthereissomethingthatcan

flyevenwhenthereisnoair.Thisisrocket.

Iamsurethatyouareasking."Howdoesarocketfly?”ifyouwanttoknow,getaballoonand

thenblowitupuntilitisquitebig.Donottieuptheneckoftheballoon.Letgo!Theballoonwill

flyoffthroughtheairveryquickly.Theairinsidetheballoontriestogetout.Itrushesoutthrough

theneckiftheballoonandthispushestheballoonthroughtheair.Itdoesnotneedwingslikean

airplane.

Thisishowarocketworks.Itismadeofrubberlikeaballoon,ofcourse.Itismadeofmetal.The

metalmustnotbeheavybutitmustbeverystrong.Thereisgasinsidetherocketwhichismade

veryhot.Whenitrushesoutoftheendoftherocket,therocketispushedupintotheair.

Pocketscanflyfaroutintospace.Pocketswithmeninsidethemhavealreadyreachedthemoon.

Severalrockets,withoutmaninsidethem,havebeensenttootherworldsmuchfartheraway.One

dayrocketsmaybeabletogoanywhereinthespace.

1.Whatcoloristhesky?

A.Itistheblue.

B.Itiswhite.

C.Itisgrey.

D.Ithasnocolor.

2.Whenanairplanefliestoohigh,

A.Theairwillbetoothintosupportitswings.

B.Theairwillbecomethicker.

C.Theairwillexertpressureonit.

D.Theairwilldisappearinnotime.

3.Whichofthefollowingheavenlybodiesisnotinthesky?

A.Thesun.

B.Themoon.

C.Theearth.

D.TheMorningstar(Venus).

4.Arocketcanflytothemoonbecause

A.Itlookslikeaballoon.

B.Itismuchlighterthananairplane.

C.Itdoesn'thavewings.

D.Itworkslikeanuntiedballoon.

5.Arocketispushedupintotheairwhen

A.Hotgasrushesoutofitshead.

B.Itispoweredbygas.

C.Hotgasrushesoutofitsbottom.

D.Hotgasrushesoutofitsneck.

dacdc

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理工类A级65篇阅读课文之5

Transportation

Formanyyearsinthedesert,camelsusedtobetheonlyformoftransportation.Beforetheageof

moderntrains,cameltrainsusedtocarryallthegoodsfortradingbetweenCentralAfricaand

Europe.Traderssometimesusedtoputtogethercameltrainswith10,000to15,000animals.Each

animaloftenusedtocarryasmuchas400poundsanditcouldtraveltwentymilesaday.This

formoftransportationusedtobesoimportantthatcamelswerecalledthe“Shipsofthedesert.^^

Nowmoderntrainstravelacrossthedesertinaveryshorttime.Oneenginecanpullasmuch

weightas135,000camels.Inaddition,trainsusespecialcarsfortheirload.Refrigeratorcarscarry

food;boxcarscarryheavygoods;stockcarscarryanimals;andtankcarscarryoil.

Airtravelisalsoamodernmeansoftransportation,butithaschangedsincetheearlytwentieth

century.Theearliestplaneswerebiplanes,withtwosetsofwings.Thetopspeedofthisplanewas

60milesperhour.Thepilotsusedtositorlieonthewingsintheopenair.Theplaneengines

sometimesusedtostopinthemiddleofatrip.Itusedtobeimpossibletoflyinbadweather;In

snoworinrain,thewingsfrequentlyusedtobecomeicy.Thentheplanemightgodown.

Mechanicalimprovementsduringthefirstworldwarchangedairplanes.Monoplanestookthe

placeofbiplanes.Pilotsflewinsideofcoveredcabins.Still,eventheseplanesweresmall.Only

richpeopleusedtobeabletotravelinairplanes.

Nowmodemjetsmakeairtravelpossibleforallpeople.Noplaceintheworldismorethan24

hoursawaybyjet.Furtherimprovementshaveloweredthecostofflying,andtheyhavemadeair

travelmuchsaferthanitusedtobe.Peopleneverusedtoeat,sleep,orwatchmoviesonairplanes.

Nowthesethingsareausualpartofairtravel.

1.Accordingtothepassage,whywerecamelscalledthe“shipsofthedesert”

A.Theywerefamousfortheirstrengthandpatience.

B.Theyweretheonlymeansoftransportationinthedesert.

C.Theywereanimalsmostsuitablefortransportationinthedesert.

D.Theycouldstoreplentyofwaterintheirstomachwhiletravelinginthedesert.

2.WhichofthefollowingabouttheadvantagesofatrainisnotmentionedinParagraph2?

A.Trainscanusespecialcarsfordifferentpurposes.

B.Atraincanrunmuchfasterthanacamel.

C.AtraincancaiTymuchmoregoodsthanacamel.

D.Atraincancarrygoodsatmuchlowercosts.

3.Biplanesweredangerousinbadweatherbecause

A.Fewpilotscouldflythemskillfully.

B.Theydidnothavestrongwings.

C.Theirengineswerenotgoodenough.

D.Thewings,ifcoveredwithice,wouldmaketheflightunsafe.

4.Accordingtothepassage,thebiplanewasreplacedbythemonoplanedueto

A.itsbadwings.

B.itssmallsize.

C.theneedinwartime.

D.theprogressinscience.

5.Whichofthefollowingwouldbestreplacetheoriginaltitleofthepassage“Transportation”

A.Fromcameltomodernjets.

B.Jets—Amodemmeansoftransportation.

C.Camels—anoutdatedmeansoftransportation.

D.Theroleofscienceintransportation.

bddda

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理工类A级65篇阅读课文之6

Oceannoisepollution

Somescientistssaythatanimalsintheoceanareincreasinglythreatenedbynoisepollutioncaused

byhumanbeings.

Thenoisethataffectsseacreaturescomesfromanumberofhumanactivities.Itiscausedmainly

byindustrialunderwaterexplosions,oceandrilling,andshipengines.Suchnoisesareaddedto

naturalsounds.Thesesoundsincludethebreakingoficefields,underwaterearthquakes,and

soundsmadebyanimalsthemselves.

Decibelsmeasuredinwateraredifferentfromthosemeasuredonland.Anoiseofone

hundred-twentydecibelsonlandcausespaintohumanears.Inwater,adecibellevelof

one-hundredninety-fivewouldhavethesameeffect.

Somescientistshaveproposedsettinganoiselimitofone-hundred-twentydecibelsinoceans.

Theyhaveobservedthatnoisesatthatlevelcanfrightenandconfusewhales.

AteamofAmericanandCanadianscientistsdiscoveredthatloudernoisescanseriouslyinjure

someanimals,theresearchteamfoundthatpowerfulunderwaterexplosionswerecausingwhales

intheareatolosetheirhearing.Thisseriouslyaffectedthewhales'abilitytoexchangeinformation

andfindtheirway.Someofthewhalesevendied,theexplosionshadcausedtheirearstobleed

andbecomeinfected.

Manyresearcherswhoseworkdependsonoceansoundsobjecttoalimitofone-hundred-twenty

decibels.Theysaysuchalimitwouldmeananendtoimportantindustrialandscientificresearch.

Scientistsdonotknowhowmuchandwhatkindsofnoisesareharmfultooceananimals.

However,manyscientistssuspectthatnoiseisagreaterdangerthantheybelieved,theywantto

preventnoisesfromharmingcreaturesintheocean.

1.Accordinggothepassage,whichofthefollowingisincreasinglydangeroustoseacreatures?

A.Man-madenoisepollution.

B.Thenoisesmadebythemselves.

C.Thesoundofearthquakes.

D.Thesoundoftheice-breaking.

2.Whichofthefollowingisdiscussedinthethirdparagraph?

A.Differentplacesmayhavedifferenttypesofnoises.

B.Decibelsarenotasuitableunitformeasuringunderwaternoise.

C.Thesamenoiselevelproducesadifferenteffectonlandandintheocean.

D.Oceananimals'reactiontonoises.

3.Astotheinfluenceofnoisesonwhales,whichofthefollowingistrue?

A.Theyaredeaftonoises.

B.Noisesatcertainlevelmayhurtthem.

C.Theyareeasilyconfusedbynoises.

D.Noiseswilllowertheirabilitytoreproduce.

4.wecanknowfromthepassagethatmanyscientiststhinkthatthenoiselimitofone-hundred

twentydecibelswould

A.Preventthemfromdoingtheirresearchwork.

B.Benefitthemalotintheirresearchwork.

C.Begoodfortheirhealth.

D.Increasetheindustrialoutput.

5.Accordingtothepassage,whatwillscientistsmostprobablydointhefuture?

A.Theywilltrytosetalimitof120decibels.

B.Theywillworkhardtodecreasethelevelofoceannoisepollution.

C.Theywillstudytheeffectofdifferentnoise.

D.Theywillprotectanimalsfromharmfulnoises.

acbad

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理工类A级65篇阅读课文之7

Thebeginningoftheairmail

AtBlackpoolHoltThomasandGraham-Whiteagreedtomakeapracticalexperimentincarrying

mailsbyaeroplane.Theidea,asitwasfirstworkedout,wasfortheaeroplanetoflyfrom

BlackpoolairportacrosstoSouthport,andforthemailstobetakenoverbythepostofficethere.

Buttheprogrammehadtobechangedowingtoaseriesofhighwinds.Whathappenedintheend

wasthatGraham-Whitetookamail-baginhisplane,andmadeaflightwithitacrosscountryfora

distanceofaboutsevenmiles.Returningtotheairport.ThisexperimentgaveGraham-Whitethe

honourofbeingthefirstairmaninEnglandtocan,yabagofmailacrosscountryinanaeroplane.

Lettersandpostcardswhichwerecarriedinthistest,andwhichhadaspecialstamprecordingthe

fact,soonbecamemuchsoughtafterbycollectors.

ThesecondandmoreimportantexperimentinBritishairmailtransporttookplaceinSeptember

1911,andwasthefirstofitskindinthiscountrytoobtaintheofficialpermissionofthe

postmaster-general.Itwasindeedoneofthehistoricaleventsinourairmaildevelopment.Inthis

caseasmanyas130,000lettersandpostcardswerecarriedbyaeroplanebetweenLondonand

Windsor.OneoftheairmenengagedinthispioneerservicewasthefamousGustavHamel,flying

amonoplane,Iremembergoingoutoneafternoongoseehimstartoffwithoneofthebagsofmail.

Itwasanextremelybaddayforflying,andjustbeforethetimedueforthestart,thewindwas

blowingatnearly50milesanhour.Noneoftheotherpilotswouldhavethoughtofgoingup,but

Hamel-oneofthefinestofallpilotsoftheBritishmonoplane-wasnottobestopped.Hejumped

ontohismachineandfairlyshotofftheground.Themonoplane,solongasitwasneartheearth,

wasthrownaboutlikeasmallboatonanangrysea.ButHamelgaveasplendidexhibitionof

airmanship;assoonashereachedagreatheight,conditionsbecamemuchsteadier,andhe

finishedhisjourneywithoutaccident.

Thiswasanearlydemonstrationthatanairplanewasmorethanafineweathermachine,andthatit

couldfightitswaysuccessfullythroughviolentwinds.Thisfactimpressedthepostalauthoritiesa

gooddeal,andhelpedthosewhobelievedthattheairplanehadagreatcommercialfuture.

1.WhowasthefirstairmantocarrytheairmailinEngland?

A.HoltHamel.

B.ThomasMoore.

C.Graham-White.

D.Notgiveninthepassage.

2.whichofthefollowingaboutthefirstairmantocarrytheairmailistrue?

A.Heflightwascancelledaltogether.

B.Heflewonlyforashortdistance.

C.Theplanewasloadedwithmanymailbags.

D.Severalmailbagsoflettersandpostcardsweremissing.

3.WhathappenedtothefirstflightwithairmailsbetweenLondonandWindsorapproved

officiallyin1911?

A.Itwasdelayedforseveralhoursowingtoviolentwinds.

B.ThePostmastergeneralflewtheplanehimself.

C.Thewriterofthisarticlewasalsointheplane.

D.Itsucceededandwasrememberedasahistoricalevent.

4.Howdoesthewriterdescribethepilotoftheflightin1911?

A.Hewasoneofthebestpilots.

B.Helackedexperienceinflight.

C.Heriskedhislifeintheviolentwinds.

D.Hewaslesswellknownthanotherpilots.

5.Howoldisthewriterifheorsheisstillalive?

A.Noidea.Noclueisgiveninthepassage.

B.Heorshemustbeabout60.

C.Heorshemustbeabout80.

D.Heorshemustbeabout100.

cbdad

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理工类A级65篇阅读课文之8

NewfoodsandtheNewWorld

Inthelast500years,nothingaboutpeople—nottheirclothes,ideas,orlanguages-haschanged

asmuchaswhattheyeat.Theoriginalchocolatedrinkwasmadefromtheseedsofthecocoatree

bySouthAmericanIndians.TheSpanishintroducedittotherestoftheworldduringthe1500's.

andalthoughitwasveryexpensive,itquicklybecamefashionable.InLondonshopswhere

chocolatedrinkswereservedbecameimportantmeetingplaces.Somestillexisttoday.

ThepotatoisalsofromtheNewWorld.Around1600,theSpanishbroughtitfromPerutoEurope,

whereitsoonwaswidelygrown.IrelandbecamesodependentonitthatthousandsofIrishpeople

starvedwhenthecropfailedduringthe"PotatoFamine”of1845-6,andthousandsmorewere

forcedtoemigratetoAmerica.

TherearemanyotherfoodsthathavetraveledfromSouthAmericatotheOldWorld.Butsome

otherswentintheoppositedirection.Brazilisnowtheworld'slargestgrowerofcoffee,and

coffeeisanimportantcropinColombiaandotherSouthAmericancountries.Butitisnativeto

Ethiopia.ItwasfirstmadeintoadrinkbyArabsduringthe1400's.

AccordingtoanArabiclegend,coffeewasdiscoveredwhenagoatherdnamedKaldinoticedthat

hisgoatswereattractedtotheredberriesonacoffeebush.Hetriedoneandexperiencedthe

“wide-awake“feelingthatone-thirdoftheworld'spopulationnowstartsthedaywith.

1.Accordingtothepassage,whichofthefollowinghaschangedthemostinthelast500years?

A.Food.

B.Chocolate.

C.Potato.

D.Coffee.

2."Some"in"Somestillexisttoday”means

A.Somecocoatrees.

B.Somechocolatedrinks

C.Someshops.

D.SomeSouthAmericanIdians.

3.ThousandsofIrishpeoplestarvedbecause

A.Theyweredependentonit.

B.TheywereforcedtoemigratetoAmerica.

C.TheweatherconditionsinIrelandwerenotsuitableforgrowingthepotato.

D.Thepotatoharvestwasbad.

4.Coffeeoriginallycamefrom

A.Brazil.

B.Colombia.

C.Ethiopia.

D.Arabia.

5.TheArabiclegendisusedtoprovethat

A.CoffeewasfirstdiscoveredbyKaldi.

B.Coffeewasfirstdiscoveredbykaldi'sgoats.

C.CoffeewasfirstdiscoveredinSouthAmericancountries.

D.CoffeedrinkswerefirstmadebyArabs.

acdcd

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理工类A级65篇阅读课文之9

Glass

Forthousandsofyears,peoplethoughtofglassassomethingbeautifultolookat.Onlyrecently

havetheycometothinkofitassomethingtolookthrough.Storesdisplaytheirgoodsinlarge

glasswindows.Glassbottlesandjarsthatholdfoodanddrinkallowustoseethecontents.

Glassisusedtomakespectacles,microscopes,telescopes,andmanyotherextremelyusefulland

necessaryobjects.

UntiltheSecondWorldWar,mostoftheglassusedforopticalinstrumentswasimportedfrom

Europe.However,duringthewarAmericanscouldnotgetEuropeanglass.Andtheywereforced

tomaketheirown.Asaresult,newkindsofglassweredevelopedthathadbeenpreviously

unknown.Theseneweffectswereachievedbymixingotherchemicalelementswiththesand.

Someofthesenewglassesareverystrongandcanresistmanykindsofshocks.

LegendhasitthataveryhardglasswasinventedbyaRomanwhoshowedhisdiscoverytothe

Emperor.WhentheEmperorsawtheglasshefearedthatitwouldbecomemorevaluablethan

goldandsilver,makinghistreasureworthless.Therefore,hehadtheglassmakerkilled,andthe

secretwasnotdiscoveredagainforhundredsofyears.

Inthepresentcentury,safetyglasswasinventedforuseinmoderncarsandplanes.,safetyglassis

madebyplacingalayerofplasticbetweentwolayersofplateglass.Whentheoutsidelayerof

glassisbroken,thepiecesdonotscatterandinjurepeople.Someglassofthistypeisstrong

enoughtoresistbullets.

Althoughinrecentyearsplasticshavereplacedglassunderconditionswhereglassmightbeeasily

broken,therearenewusesbeingdevelopedforglassthatwereneverimaginedinthepast.Perhaps

thegreatestadvantageofglassisthatitsconstitentpartsareinexpensiveandcanbefoundalover

theworld.

1.Accordingtothearticle,withthepassageoftime,glass

A.isregardedassomethingfordecoration.

B.Isnolongerseenassomethingonlytobelookedat.

C.Isusedtomakethingslookpleasant.

D.Iswidelyusedtoreplacesteelinmakingcontainers.

2.WhydidAmericansmaketheirownglassaftertheSecondWorldWar?

A.TheycouldnotobtainitfromEurope.

B.TheyrefusedtousetheEuropeanglass.

C.Theglas