Thefirstparagraphisintendedto________.
Whichissafer-stayingathome，travelingtoworkonpublictransport，orworkingintheoffice?Surprisingly，eachofthesecarriesthesamerisk，whichisverylow.However，whataboutflyingcomparedtoworkinginthechemicalindustry?Unfortunately，theformeris65timesriskierthanthelatter!Infact，theaccidentrateofworkersinthechemicalindustryislessthanthatofalmostanyofhumanactivity，andalmostassafeasstayingathome.
Thetroublewiththechemicalindustryisthatwhenthingsgowrongtheyoftencausedeathtothoselivingnearby.Itisthiswhichmakeschemicalaccidentssonewsworthy.Fortunately，theyareextremelyrare.ThemostfamousoneshappenedatTexasCity(1947)，Flixborough(1974)，Seveso(1976)，Pemex(1984)andBhopal(1984)。
Someofthesearealwaysinthemindsofthepeopleeventhoughthelossoflifewassmall.NoonediedatSeveso，andonly28workersatFlixborough.TheworstaccidentofallwasBhopal，whereupto3，000werekilled.TheTexasCityexplosionoffertilizerkilled552.ThePemexfireatastorageplantfornaturalgasinthesuburbsofMexicoCitytook542lives，justamonthbeforetheunfortunateeventatBhopal.
Someexpertshavediscussedtheseaccidentsandusedeachaccidenttoillustrateaparticulardanger.ThustheTexasCityexplosionwascausedbytonsofammoniumnitrate(硝酸銨)，whichissafeunlessstoredingreatquantity.TheFlixboroughfireballwasthefaultofmanagement，whichtookriskstokeepproductiongoingduringessentialrepairs.TheSevesoaccidentshowswhathappensifthelocalauthoritieslackknowledgeofthedangerontheirdoorstep.Whenthepoisonousgasdriftedoverthetown，localleaderswereincapableoftakingeffectiveaction.ThePemexfirewasmadeworsebyanoverloadedsiteinanovercrowdedsuburb.Thefiresetoffachainreactionosexplodingstoragetanks.Yet，byamiracle，thetwolargesttanksdidnotexplode.Hadthesecaughtfire，then3，000strongrescueteamandfirefighterswouldallhavedied.
1.Chemicalaccidentsareusuallyimportantenoughtobereportedasnewsbecause____.
A.theyareveryrare
B.theyoftencauselossoflife
C.theyalwaysoccurinbigcities
D.theyarousetheinterestofallthereaders
2.Whichofthefollowingstatementsistrue?
A.Workingattheofficeissaferthanstayingathome.
B.Traverllingtoworkonpublictransportissaferthanworkingattheoffice.
C.Stayingathomeissaferthanworkinginthechemicalindustry.
D.Workinginthechemicalindustryissaferthantravelingbyair.
3.Accordingtopassage，thechemicalaccidentthatcausedbythefaultofmanagementhappenedat____.
A.TexascityB.FlixboroughC.SevesoD.MexicoCity
4.Fromthediscussionamongsomeexpertswemaycocludethat____.
A.toavoidanyaccidentsweshouldnotrepairthefacilitiesinchemicalindustry
B.thelocalauthoritiesshouldnotbeconcernedwiththeproductionofthechemicalindustry
C.alltheseaccidentscouldhavebeenavoidedorcontrolledifeffectivemeasurehadbeentaken
D.naturalgasstoredinverylargetanksisalwayssafe
5.Fromthepassageweknowthatammoniumnitrateisakindof____.
A.naturalgas，whichcaneasilycatchfire
B.fertilizer，whichcan'tbestoredinagreatquantity
C.poisonoussubstance，whichcan'tbeusedinovercrowdedareas
D.fuel，whichisstoredinlargetanks
Nearlyallthefamiliescanmanagetomeetthesoaringtuitioncoststhroughvariousinvestmentplans.
_____ifIhadarrivedyesterdaywithoutlettingyouknowbeforehand.
PartIIVocabularyandStructure
Directions:Inthisparttherearefortyincompletesentences.Eachsentenceisfollowedbyfourchoices.ChoosetheonethatbestcompletesthesentenceandthenmarkyouranswerontheAnswerSheet.
21.Theteacherthestudentsonatourthroughtheartmuseum.
A.madeB.indicatedC.forcedD.took
22.Tom’sparentsdiedwhenhewasachild,sohewasbyhisrelatives.
A.grownupB.broughtupC.raisedD.fedup
23.Hereismycard.Let’skeepin.
A.touchB.relationC.connectionD.friendship
24.Sofarthereisnoproofpeoplefromotherplanetsdoexist.
A.whichB.howC.whatD.that
25.Thenewspapersreportedyesterdayseveralontheboundariesofthesetwocountries.
A.incidentsB.happeningsC.eventsD.accidents
26.We’veworkedouttheplanandnowwemustputitinto.
A.factB.realityC.practiceD.deed
27.Hedidn’tandsohefailedtheexamination.
A.workenoughhardB.hardworkenoughC.hardenoughworkD.workhardenough
28.NotuntilMr.SmithcametoChinawhatkindofcountrysheis.
A.heknewB.hedidn’tknowC.didheknowD.hecouldn’tknow
29.Scientistssayitmaybetenyearsthismedicinewasputtouse.
A.sinceB.beforeC.afterD.when
30.Insomecountries,iscalled“equality”doesnotreallymeanequalrightsforallpeople.
A.thatB.whatC.whichD.how
31.Wedidn’tknowhistelephonenumber,otherwisewehim.
A.wouldtelephoneB.wouldhavetelephone
C.hadtelephonedD.musthavetelephoned
32.We’vemissedthelastbus,I’mafraidwehavenobuttotakeataxi.
A.wayB.possibilityC.choiceD.selection
33.Luckily,mostsheepthefloodlastmonth.
A.enduredB.survivedC.livedD.passed
34.Myparentsalwaysletmehavemyownofliving.
A.wayB.methodC.mannerD.fashion
35.Likeotherlanguageskills,readingrequirespractice.
A.themostofB.muchoftheC.mostoftheD.moreofthe
36.Itisonlythroughpracticeonewillbeabletoswimskillfully.
A.whatB.whoC.thatD.which
37.Thebrainiscapableofignoringpainmessageoftoconcentrateonotheractivities.
A.itallowedB.isitallowedC.allowedD.allowedit
38.Don’tworry,Ihavealreadythemthedecision.
A.informed;withB.informed;ofC.informed;forD.informed;that
39.Thechildwassorryhismotherwhenhearrivedatthestation.
A.tomissB.havingmissedC.missingD.tohavemissed
40.Iwonderwhyhetodiscusstheproblematthemeeting.
A.declinedB.rejectedC.refusedD.delayed
41.Youcanhangupwhatyoulikeonthesewalls.
A.bareB.emptyC.blankD.vacant
42.Accordingtoa,themajoritywouldratherhavenewspaperswithoutagovernmentthanagovernmentwithoutnewspapers.
A.electionB.campaignC.pollD.vote
43.Thepopulationofthevillagehasdecreased150to500.
A.inB.atC.byD.with
44.ItseemsthatthereisthatIcan’tdo.
A.nothingB.anythingC.everythingD.none
45.Theyareoftencaringmoreaboutanimalsthanhumanbeings.
A.accusedifB.accusedwithC.chargedofD.chargedfor
46.agoodbeginningismade,thewordishalfdone.
A.AssoonasB.WhileC.AsD.Once
47.Georgecouldnothisfoolishmistake.
A.accountinB.countonC.countforD.accountfor
48.Wecameintothisfieldlate,sowemustworkhardtothelosttime.
A.makeupforB.makeoutC.keepupwithD.putupwith
49.Thenewlawwillcameintoonthedayitispassed.
A.effectB.useC.serviceD.existence
50.Wecanseparatethemixtureintothepurechemicalcompoundsitiscomposed.
A.inwhichB.ofwhatC.ofwhichD.fromwhich
51.Mrs.Lincolnhasthatsheisunabletogetajob.
A.suchsmalleducationB.solittleeducation
C.asuchlittleeducationD.asosmalleducation
52.Shecan’tpreventherlittleboyshootingbirds.
A.from;toB.on;atC.with;upD.from;at
53.Manycountriesareincreasingtheiruseofnaturalgas,windandotherformsof.
A.energyB.sourceC.powerD.material
54.Adarkenedskyinthedaytimeisusuallyandindicationthatastormis.
A.possiblecomingB.abouttotakeplace
C.closebyD.expectedtobesevere
55.Weallknowthatspeaklouderthanwords.
A.movementsB.performanceC.operationsD.actions
56.,hecouldnotcoverthewholedistanceinfifteenminutes.
A.FastashecanB.Ashecanranfast
C.IfhecanranfastD.Sinceheranfast
57.Agriculturalproductioninthatcountryhasincreasedinrecentyears.
A.vastlyB.strikinglyC.considerablyD.extremely
58.Peterhasplannedtosomemoneyeverymonthsothathecanbuyausedcarnextyear.
A.setasideB.setupC.setinD.setalong
59.AlthoughIspoketohimmanytimes,henevertookanyofwhatIsaid.
A.attentionB.noticeC.warningD.observation
60.Theyovercameallthedifficultiesandfulfilledtheplanthreemonthsaheadoftime,issomethingwehadnotexpected.
A.thatB.whatC.itD.which
