有关“内源性感染”,哪一项是正确()A.病原体均属正常菌群 B.常发生于大量使用抗生 发布时间:2017-06-24 08:53 │ 来源:www.tikuol.com 题型:单项选择题 问题: 有关“内源性感染”,哪一项是正确()A.病原体均属正常菌群B.常发生于大量使用抗生素后,均为菌群失调C.可发生于使用激素后,属医院感染D.是一种自身感染E.以上都不是
题型:单项选择题 根据句意用所给词的正确形式填空。1. He thought carefully before _____ (reply).2. The police are stopping cars and checking the drivers' _____ (license).3. All the _____ (member) of the family get together to enjoy the holiday.4. The children have never been _____ (teach) French.5. He tried over and over and finally _____ (succeed). 查看答案