翻译：

Bymakingvehicleslighterinweightaluminumhasgreatlyreducedtheamountoffuelneededtomovethem,(PassageTwo)

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(硝酸铵)，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

Thismissileisdesignedsothatonce_____nothingcanbedonetoretrieveit.

Theonlyproblemthestudentsarefacingatgraduationisthedismaljobmarket.

TEXTD

Personalityis，tolargeextent,inherent--A-typeparentsusuallybringaboutA-typeoffspring.Butthe

environmentmustalsohaveaprofoundeffect,sinceifcompetitionisimprotanttotheparents,itislikelytobecomeamajorfactorlivesoftheirchildren.OneplacewherechildrensoakupAcharacteristicsisschool,whichis,byitsverynature,ahighlycompetitiveinstitution.Toomanyschoolsadoptthe"winatallcosts"moralstandardandmeasuretheirsuccessbysportingachievements.Thecurrentpassionformakingchildrencompeteagainsttheirclassmatesoragainsttheclockproducesatwo-layersystem,inwhichcompetitiveAtypesseeminsomewaybetterthantheirB-typefellows.Beingtookeentowincanhavedangerousconsequences:rememberthatPheidippides,thefirstmarathonrunner,droppeddeadsecondsaftersaying:"Rejoice,weconquer!".Byfartheworstformofcompetitioninschoolisthedisproportionateemphasisonexaminations.Itisarareschoolthatallowspupilstoconcentrateonthosethingstheydowell.Themeritsofcompetitionbyexaminationaresomewhatquestionable,butcompetitioninthecertainknowledgeoffailureispositivelyharmful.Obviously,itisneitherpracticalnordesirablethatallAyoungsterschangeinto'B's.Thewouldneedstypes,andschoolshaveanimportantdutytotrytofitachild'spersonalitytohispossiblefutureemployment.Itistopmanagement.16.Accordingtotheauthor,whatfactorscontributetothebuildingofpersonality?

A.inheritance

b.inheritance,competitionandenvironment

c.competition

d.environment

17.Whichofthefollowingstatementsisnottrueaccordingtotheauthorofthepassage?

A.Schoolsusuallyadoptseverecompetitivepolicies.

B.Studentsareoftendividedbycompetitionresults.

C.Schoolisplacewherechildrencultivatetheircharacteristics.

D.Thestrongerdesireforwinning,thebetter.

18.Thephrase"soakup"isclosestinmeaningto____.

A.pullup

b.takeup

c.takein

d.pullin

19.Whatattitudedoestheauthorholdtowardexaminationsinschools?

A.positive

b.negative

c.doubtful

d.neutral

20.whatsuggestiondoestheauthormakeconcerningthemanagementofschools?

A.AllstudentsbemadeintocompetitiveAtypes.

B.Achild'spersonalitybeconsideredinregardtohispossiblefuturejob.

C.AllstudentsbechangedintoBcharacteristics.

D.Schoolsabolishallformsofexaminations.