在线作业1：
　　1． 词汇选项题
　　1. I am going to have a short rest as I have a cold.
　　A) bring      B) catch  C) feel     D) suffer

　　2. The old concerns lose importance and some of them vanish altogether.
　　A) develop      B) disappear C) linger D) renew

　　3. Gunpowder was used extensively in firearms prior to 1990.
　　A) in      B) around  C) from D) before

　　4. We packed up the things I had accumulated over the last three years and left for good.
　　A) close      B) near  C) past D) final

　　5. The immense change of the city astonished every member of the conference.
　　A) surprised      B) interested  C) bored D) excited

　　6. It's impolite to cut in when two persons are holding a conversation.
　　A) to stand in between       B) to talk loudly 
　　C) to sit in between  D) to interrupt

　　7. There is always excitement at the Olympic Games when an athlete breaks a previous record of performance.
　　A) beats                         B)matches
　　C) maintains                  D)announces

　　8. They agreed to settle the dispute by peaceful means.
　　A) solve                           B)determine
　　C) untie                           D)complete

　　9. Can you account for your absence from the class last Thursday?
　　A) explain                    B)examine
　　C) excuse                    D)expand

　　10. A limited number of books on this subject are in the library.
　　A) little                        B) small
　　C) tiny                        D) low

　　11. The river widens considerably as it begins to turn east.
　　A) extends                     B)stretches
　　C) broadens                   D)enlarges

　　12. Foreign money can be converted at this bank.
　　A) altered                    B)changed
　　C) bought                   D)sold

　　13. Government health campaigns have fostered an awareness of the dangers in certain social habits.
　　A) included                    B)discovered
　　C)cultivated                 D)discouraged

　　14. I feel regret about what's happening.
　　A) sorry                      B) disappointed
　　C) shameful             D) disheartened

　　15. There are only five minutes, but the outcome of the match is still in doubt.
　　A) end                      B)judgment
　　C) estimation              D)result

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