题目内容

牛乳和酒类的消毒常用:

A. 煮沸
B. 高压蒸汽灭菌法
C. 干烤
D. 流通蒸汽法
E. 巴氏消毒法

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在正常情况下,不含活菌的部位是:

A. 皮肤
B. 胃肠
C. 口腔
D. 鼻咽部
E. 血液

血清、抗生素、酶制剂等最好的除菌方法是:

A. 100℃30分钟
B. 60℃-62℃30分钟
C. 高压蒸汽灭菌
D. 滤过除菌
E. 紫外线照射法

关于毒力变异,叙述错误的是:

A. 卡介苗是由有毒的牛型结核杆菌经变异而获得的减毒结核菌株
B. 无毒或弱毒的细菌可通过易感机体使毒力增强
C. 有芽胞的细菌失去产生芽胞的能力后其毒力可减弱
D. 属遗传型变异
E. 与大量使用抗生素有关

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]

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