可用于养鸡场饮水消毒的药物是() A.戊二醛 B.新洁尔灭 C.复合酚 D.含氯石灰 发布时间:2017-05-02 18:43 │ 来源:www.tikuol.com 题型:单项选择题 问题: 可用于养鸡场饮水消毒的药物是()A.戊二醛B.新洁尔灭C.复合酚D.含氯石灰E.过氧化氢
题型:单项选择题 He waited with his companion_________the rescuers came, and then helped them carry her back down the mountain.A.whenB.untilC.unlessD.while 查看答案