钩端螺旋体病的主要传染源是() A.猪 B.家禽 C.兔 D.鼠 E.犬 发布时间:2017-09-10 17:31 │ 来源:www.tikuol.com 题型:多项选择题 问题: 钩端螺旋体病的主要传染源是()A.猪B.家禽C.兔D.鼠E.犬
题型:多项选择题 He said he would prefer ______ others rather than ______ by others.A. to help; to help B. to help; be helpedC. helping; helpedD. helping; to be helped 查看答案