已知命题“若p则q”为真,则下列命题中一定为真的是( ) A.若¬p则¬q B. 发布时间:2017-04-06 17:30 │ 来源:www.tikuol.com 题型:选择题 问题: 已知命题“若p则q”为真,则下列命题中一定为真的是( )A.若¬p则¬qB.若¬q则¬pC.若q则pD.若¬q则p
题型:选择题 I'm afraid there _______________ a heavy rain tonight. [ ]A. will have B. is going C. will be D. is going to have 查看答案