需要载体的转运方式是() A.滤过 B.主动转运 C.简单扩散 D.膜孔转运 E.胞 发布时间:2017-06-25 20:02 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 需要载体的转运方式是()A.滤过B.主动转运C.简单扩散D.膜孔转运E.胞吐
题型:单项选择题 A1/A2型题 "If I worked not with my husband, I would have never met him." Writes Jodster.A.do not work, never meetB.have not worked, never have metC.hadn't worked, would never have metD.shouldn't have worked, I should have never met 查看答案
题型:单项选择题 A1/A2型题 下列关于防火间距的说法错误的是()。A.甲类厂房与重要公共建筑的防火间距不宜小于50m B.两座仓库的相邻外墙均为防火墙时,防火间距可以减小,但丙类不应小于5m C.为丙、丁、戊类厂房服务而单独设置的生活用房应按民用建筑确定,与所属厂房的防火间距不应小于6m D.耐火等级低于四级的既有厂房,其耐火等级可按四级确定 查看答案