全新版大学英语综合教程4课后答案完全整理版.pdfVIP

为天地立心，为生民立命，为往圣继绝学，为万世开太平。——张载

1.Theoffensivehadlastedthreedays,butwehadnotgainedmuch

ground.Thedivisioncommanderinstructedourbattaliontoget

aroundtotherearoftheenemyatnightandlaunchasurprise

attack.Todothiswehavetocrossamarshland,andmanyofus

wereafraidwemightgetboggeddowninthemud.Ourbattalion

commanderdecidedtotakeagamble.Luckilyenough,thanksto

theseverelycoldweatherwhichhadmadethemarshlandfreeze

over,wearrivedourdestinationbeforedawnandbeganattacking

theenemyfromtherear.Thishadturnedthetideofthebattle.

Theenemy,caughtoffguard,soonsurrendered.

2.Automobileshave,sincetheirinvention,revolutionized

transportation,changingforeverthewaypeopletravel,anddo

business.Ontheotherhand,theyhavebroughthazards,

especiallyhighwayfatalities.However,todaytheapplicationof

computertechnologyandelectronicsensorsindesigningand

manufacturingcarsmakesitpossibletoeliminatemostoftraffic

accidents.Forexample,electronicsensorsmountedinyourcar

candetectalcoholvaporintheairandrefusetostartupthe

engine.Theycanalsomonitorroadconditionsbyreceivingradio

signalssentoutfromorbitingsatellitesandgreatlyreduceyour

为天地立心，为生民立命，为往圣继绝学，为万世开太平。——张载

chancesofgettingstuckintrafficjams.

3.Wellbegun,halfdone,asthesayinggoes.Itisextremely

importantforajobapplicanttodohishomeworkwhileseeking

employment.Frommystandpoint,whetherornoton