重要的传染源包括() A.患者 B.隐性感染者 C.潜伏性感染者 D.病原携带者 E 发布时间:2017-09-06 18:46 │ 来源:www.tikuol.com 题型:多项选择题 问题: 重要的传染源包括()A.患者B.隐性感染者C.潜伏性感染者D.病原携带者E.动物储存宿主
题型:多项选择题 The two phrases are similar ____ structure but different _____ meaning.A.in; in B.to; to C.in; from D.with; from 查看答案
题型:多项选择题 Mr. Jones, this is Sean, an English teacher from the United States.()A.What can I do for you? B.Nice to meet you. C.Please keep in touch.D.Haven't seen you for ages. 查看答案