第9题: [单项选择]{{B}}Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. In a restaurant. B. In an airplane. C. At a political convention. D. At a movie theater. 参考答案:B 答案解析:[听力原文]
W: Your seat is by a window.
M: Yes, but it’s right over a wing. I wouldn’t be able to see
第16题: [单项选择]细菌鞭毛抗原需用下列何种方法进行处理() A. 0.3%~0.5%甲醛 B. 0.3%~0.5%戊二醛 C. 0.5%~0.8%甲醛 D. 0.2%~0.4%戊二醛 E. 0.1%~0.3%甲醛 参考答案:A 答案解析:细菌抗原一般是液体或固体培养后,经集菌后处理所得。有的还需要特殊处理,如鞭毛抗原需要0.3%~0.5%甲醛处理,菌体抗原需要加温100℃2~2.5小时。