1. Advanced computer technology has come up with an answer to _________ weather forecasting.

　　A. aware B. accurate C. average D. awesome

　　2. The workers are so to the noise of the machine that they don't even notice it during their work.

　　A.admirable B.accustomed C.astonished D.associated

　　3. Environment problem is now so severe. Pollution is not only a major long-term burden on the Chinese public but also an __________ political challenge to the ruling Communist Party.

　　A. acute B. awkward C. authentic D. allergic

　　4. I hope I will not be called on in class as I’m not yet _________ prepared.

　　A. attentively B. attractively C. actively D. adequately

　　5. Animals can become unusually ____ when they are upset by a sudden environmental change.

　　A. awake B. ashamed C. arbitrary D. aggressive

　　6. The patient suffering from cancer looked dead but the faint pulse proved that he was still ________.

　　A. live B. allergic C. alive D. lively

　　7. He started choking after eating the chili pepper (辣椒), to which he was __________.

　　A. allergic B. addictive C. aware D. arbitrary

　　8. The stone is ________ two hundred kilograms, and _______ no one can move it.

　　A.nearly; almost B.almost; nearly C.mostly; almost D.nearly; mostly

　　9. I plan to go back home to visit my family during the Spring Festival, but if I can’t get the train ticket, I still have an __________ plan: to visit the museums.

　　A. appropriate B. alternative C. approximate D. anxious

　　10. Several universities in America have top-class __________ basketball teams，and talented players often turn professional as soon as they finish their studies.

　　A. ambiguous B. alternative C. aggressive D. amateur

　　11. His __ __ directions confused us; we did not know which of the two roads to take.

　　A. ambiguous B. ample C. arbitrary D. artificial

　　12. Susan managed to climb out of the car, ________ -- unhurt.

　　A. regularly B. apparently C. approximately D. frequently

　　13. Knowing what is an ____________ behaviour at table will enable you to find it easy to make friends with others.

　　A. abstract B. apparent C. appropriate D. ambiguous

　　14. A good judge should try to be fair and not to make _________ decisions.

　　A. abrupt B. arbitrary C. alternative D. artificial

　　15. The informed (有见识的) consumers can easily find out the _________ or natural diamonds.

　　A. artificial B. athletic C. actual D. authentic