在UPS逆变器发生故障向旁路切换时,所用的切换时间越短越好。

1、正确
2、错误
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Theywillneverreconcilethemselvesto____.

A、defeat
B、theirdefeat
C、bedefeated
D、havetheirdefeat

PartIVTranslation

Thesubjectsinhisexperimentwere75collegestudents.TheyrepresentedalllevelsofabilityinEnglish:beginning,intermediate,andnative-speakingstudents.(PassageTwo)

翻译:

中国位于亚洲东部,是世界上人口最多的国家。中国是世界四大文明古国之一,拥有大量的中华文化光辉的古迹,此外,中国地大物博,拥有茂密的森林、雄伟壮丽的瀑布、秀丽的湖泊以及如利剑直插云霄的山峰,所有这些都令世界各国人民神往。但是,更重要的是,中国以拥有五千多年的历史而自豪,遗留下无数的历史文物,其中包括珍贵珠宝、古迹名胜、宫殿及数不尽的雄伟建筑,令人惊叹不已。这种种原因都促使中国成为许多人梦寐以求的旅游胜地。

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

接生过程中,下列哪项是错误的

A、宫缩时,接生者以手掌向上向内托压会阴体保护会阴
B、宫缩时,协助胎头俯屈
C、待胎儿枕骨下部显露于母体耻骨弓下时,协助胎头仰伸
D、在宫缩期不屏气情况下娩出胎头较在宫缩间歇期稍向下屏气娩出更利保护会阴
E、胎儿-肩娩出后应注意保护会阴
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