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血清、抗生素、酶制剂等最好的除菌方法是：
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关于毒力变异，叙述错误的是：
Section Ashortconversation（30points,3 points each）Directions:In this section, you will hear several conversations. At the end of each conversation, one or more questions will be asked about what was said. Both the conversations and the questions will be spoken only once. After each question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer.1.A) About 12 o'clock.B) Late in the evening.C) About 2 p.m.D) Early the next morning.2. A) Peaches are in season now.C) The woman didn't know how to bargain.B) She hasn't gotten her grades yet.4.A) Take two pills.B) Forget to take any pills.C) Take five pills.D) Follow the doctor's advice.5.A) Buy an apartment.C) Find a cheaper apartment.D) Move out from the cheap apartment.6.A) The woman should buy some new trousers.C) The woman should eat less.D) The woman should do exercises.7.A) She learns English quickly.B) Her English isn't very good.C) Her English is very good.D) She learns new sentences slowly.8.A) Jane will not leave her job.B) Jane will be sorry.C) Jane will go away.D) The woman should buy Jane a present.[音频]
Section BPassages (35points, 5 points each)Directions:In this section, you will hear several short passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).Passage OneQuestions 11 to 13 are based on the passage you have just heard.11.A) Fried Coke.B) Strawberry ice-cream.C) Strawberry Coke.D) Strawberry syrup.12. A) A batter (面糊) mix made with Coca-Cola syrup.B) A cherry.C) A drizzle of strawberry syrupD) Some strawberries.13.A) Gonzales, who created this new fast food, is a computer analyst.B) The creator tried about 50 different varieties before coming up with his perfect recipe of this new fast food.C) It was sold at $4.50 at the State Fair of Texas.D) It won a prize for coming up with "most creative" new fair food.Passage TwoQuestions 14 to 17 are based on the passage you have just heard.14.A) The weights.B) The wheel.C) The electric light.D) The radio.15.A) Because there was little land left for exploration.B) Because life was too hard for people at the time.D) All of the above.16.A) 1909B) 1926.C) 1928.D) 1930.17.A) Because the people worked very well.B) Because the people were healthier.C) Because there were fewer diseases.
Section CSpot Dictation (35 points,5points each)Directions:In this section, you will hear a passage three times. When the passage is read for the first time, you should listen carefully for its general idea. When the passage is read for the second time, you are required to fill in the blanks with the exact words you have just heard. Finally, when the passage is read for the third time, you should check what you have written.For long distance public transport of passengers, the traffic is now divided between airplane and bus. Althoughdistances are so greatit is possible to travel right across the United States by bus, and the Greyhound Bus Company even provides (18)__________unlimited travelall over the nation for a three months' period at theamazingly low costof a hundred dollars or so. Bus travel is cheap, and as the roads are good enoughto allow buses to travel fast, the time spent on bus journeys is (19)__________one might expect. With their tip-back seats and toilets on the (20)__________, the air-conditioned buses are built to make all-night (21)__________as tolerable as possible. Evidently(22)__________has made great progress, and (23)____________and much private travel it seems (24)_____________to use.
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