关于流脑的叙述,下列错误的是() A.主要致病因素为内毒素 B.我国95%以上由B群 发布时间:2017-06-23 02:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 关于流脑的叙述,下列错误的是()A.主要致病因素为内毒素B.我国95%以上由B群脑膜炎球菌引起C.人类为惟一的传染源D.主要通过飞沫传播E.暴发型以儿童为主
题型:单项选择题 In those days, our ______ concern was to provide people who were stopped by the snow storm with food and health care.A.normalB.constantC.permanent D.primary 查看答案