南大网络大学英语(英语统考b上)unit习题答案

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1、交际用语（共5小题，每小题4分，满分20分）1.----CanIhelpyouwithyoursuitcase? ----_________.A.IhavenoideaB.No,no.IcancarryitmyselfC.That'sagoodideaD.Thankyou.Icanmanagemyself.【批阅】回答正确！【答案】D2.----CanIhelpyoutogetitdown? ----__________A.NoproblemB.Yes.Let'sgetitC.Thanks.It'ssoniceofyouD.It's

2、notroubleatall【批阅】回答正确！【答案】C3.----ShallIlockthelabbeforeIgohome?  ----__________I'llcheekitmyselflater．A.GoaheadB.NoproblemC.NohurryD.Don’tbother【批阅】回答正确！【答案】C4.-----Anythingelsetobedone? -----No.______________.A.You’rewelcomeB.That’sitC.It’smypleasure.D.Goahead【批阅】回答正

3、确！【答案】D5.----ShallIgiveyouahandwiththisasyouaresobusynow? ----Thankyou._______.A.OfcourseyoucanB.IfyoulikeC.It’suptoyouD.Itcouldn’tbebetter【批阅】回答正确！【答案】B阅读理解（共10小题，每小题3分，满分30分）Passage1ThehomecomputerindustryhasbeengrowingrapidlyintheUnitedStatesforthelasttenyears.Compu

4、tersusedtobelarge,expensivemachinesthatwereverydifficulttouse.Butscientistsandtechnicianshavebeenmakingthemsmallerandcheaperwhileatthesametimetheyhavebeenmadeeasiertouse.Asaresult,theirpopularityhasbeenincreasingasmorepeoplehavebeenbuyingcomputersfortheirhomesandbusine

5、ss.Computershavebeendesignedtostoreinformationandcomputeproblemsthataredifficultforhumanbeingstoworkout.Somehavevoicesthatspeakwiththeoperators.Storesusecomputerstokeeprecordsoftheirinventories（库存货物）andtosendbillstotheircustomers.Officesusecomputerstocopyletters,record

6、businessandkeepintouchwithotheroffices.Peoplehavebeenusingcomputersintheirhomestokeeptrackofthemoneytheyspend.Oneimportantnewuseforcomputersisforentertainment.Manynewgameshavebeendesignedtobeplayedonthecomputers.Peopleofallageshavebeenplayingthesegames.Peoplealsohavebe

7、enbuyinghomecomputerstoplaycomputergames,watchmoviesandlistentoconcertsathome.Theyhavebecomeverypopularindeed.6.Computersusedto_________.A.workrapidlyB.belargeandexpensiveC.beeasytouseD.beusedforfun【批阅】回答正确！【答案】D7.Inrecentyears,computersarebeingmade_________.A.largeran

8、dmoreexpensiveB.smallerandcheaperC.moredifficulttouseD.toworkmoreslowly【批阅】回答正确！【答案】B8.Homecomputerscanbeusedfor_____