21春學(xué)期（1709、1803、1809、1903、1909、2003、2009、2103）《大學(xué)英語三》在線作業(yè)3

1、21 春學(xué)期（1709、1803、1809、1903、1909、2003、2009、2103） 《大學(xué)英語（三） 》在線作業(yè)試卷總分:100 得分:100一、單選題 (共 50 道試題,共 100 分)1.He( )in the laboratory the whole morning.A.has been workingB.is workingC.was workingD.has worked答案:A2.I have lived h

2、ere( )1997.A.forB.sinceC.atD.after答案:B3.My car was being( )when it was stolen.A.to repairB.repairC.repairingD.repaired答案:D4.We have our house( )every week by a cleaner.A.cleanB.cleanedC.cleaningD.to clean答案:B5.– What do

3、you find difficult in learning English? – ( ).A.Listening and speakingB.Don't be afraid of difficultiesC.Learning English is usefulD.Don't be disappointed答案:A6.You look( ). What( )you( )?A.tire, did…doB.tiring, h

4、ave…doneC.tired, do…doD.tired, have…been doing13.In addition to rice, we need to( )our diet with fish, meat and vegetable.A.supplementB.replaceC.addD.eat答案:A14.– David, you've been losing your temper over nothing lat

5、ely. – ( ).A.I haven’t been getting much sleep eitherB.You’d better not push yourself too hard, or you’ll get sickC.I’m sorry. I shouldn’t have blown up like thatD.You’d better do exercises regularly答案:C15.– The lecture

6、given by professor Smith was really interesting. – ( ).A.I couldn't agree with you moreB.I'm going to listen to itC.It sounds reasonableD.It didn't last too long答案:A16.– Excuse me, how far is the airport from

7、 here? – ( ).A.You can take a taxiB.It's about thirty milesC.I'll fly to SidneyD.It's only six hundred dollars答案:B17.I haven't read( )book, but I read half of it. At least I know something about the subje

8、ct now.A.wholeB.the wholeC.all ofD.all答案:B18.– I heard your motorcar was stolen. – ( ).A.I'm sorry to hear thatB.It doesn't matterC.Everybody knew it except youD.Mine wasn't but Bill's was答案:D19.The publi