福师《大学英语》在线作业一.doc

　　一、单选题(共 50 道试题，共 100 分。) 　　1. If you____________quiet, Ill tell you what happened. 　　A. be 　　B. are to be 　　C. are 　　D. will be 　　2. No sooner____________to bed than he heard a knock at the door. 　　A. had he gone 　　B. he had gone 　　C. did he go 　　D. he went 　　3. I found ___ to answer all the questions within the time given. 　　A. no possibility 　　B. there was impossibility 　　C. impossible 　　D. it impossible 　　4. He thought that ____________. 　　A. the effort doing the job was not worth 　　B. the effort was not worth in doing the job 　　C. it was not worth the effort doing the job 　　D. it was not worth the effort by doing the job 　　5. Silk _______ by Chinese for thousands of years now. 　　A. has used 　　B. has been used 　　C. was used 　　D. is used 　　6. —Its cold in here. Do you mind if I close the door? —_______. 　　A. With pleasure 　　B. Yes, please 　　C. Of course not 　　D. Thank you 　　7. After a number of disagreements with the committee, the chairman decided to_____. 　　A. withdraw 　　B. resign 　　C. retire 　　D. retreat 　　8. Four hours______ too long for him to write the letter. 　　A. has 　　B. are 　　C. is 　　D. have 　　9. That factory ____________ nearly 50 years ago. 　　A. has been built 　　B. had built 　　C. was built 　　D. has built 　　10. What kind of events are you good ____? 　　A. at 　　B. to 　　C. in 　　D. after 　　11. I wanted to study physics, but my teacher said I wasnt____ enough. 　　A. bright 　　B. pretty 　　C. real 　　D. polite 　　12. —Do you think I could borrow your dictionary? —_________. 　　A. Yes, you may borrow 　　B. Yes, go on 　　C. Yes, help yourself 　　D. It doesnt matter 　　13. —What can I do for you, madam? —_________. 　　A. I want a kilo of apples 　　B. You can go your own way 　　C. Thanks 　　D. Excuse me. Im busy 　　14. It was to save the child____________he got drowned. 　　A. that 　　B. when 　　C. but 　　D. while 　　15. David ____________himself while he ____________the machine. 　　A. hurted... was fixing 　　B. hurts... is fixing 　　C. hurt... fixed 　　D. hurt ... was fixing 　　16. If