第22题: [单项选择]Questions 19 to 21 are based on the conversation you have just heard.Where does the conversation most probably take place A. In a drugstore. B. In a supermarket. C. On the phone. D. On the Internet. 参考答案:A 答案解析:[听力原文] 19-21 M: Iris.is that you Of all the places to run into each other,I can’t believe that it
第32题: [单项选择]以下有关内源性感染预防原则的叙述错误的是 () A. 避免扰乱病人的正常防御机制, B. 仔细检查,明确病人的潜在性病灶 C. 明确机体带菌状态 D. 如有必要,可限制使用抗生素 E. 抵抗力下降的高危人群应采取保护性隔离和全部去污染 参考答案:E 答案解析:抵抗力下降的高危人群应采取保护性隔离,但不应采取全部去污染。