关于风疹的叙述,错误的是() A.病后有较持久的免疫力 B.经空气飞沫传播 C.多为 发布时间:2019-03-01 14:06 │ 来源:www.tikuol.com 题型:单项选择题 问题: 关于风疹的叙述,错误的是()A.病后有较持久的免疫力B.经空气飞沫传播C.多为显性感染D.主要危害是感染孕妇后累及胎儿E.成人感染率高,风疹抗体可达90%以上
题型:单项选择题 用participate的适当形式填空1. All the in the debate will have an opportunity to speak.93. Union leaders called for the active of all members on the day of protest.2. I'll in your suffering and joy. 查看答案