成因分类不相同的岩石是() A.石灰岩 B.页岩 C.砂岩 D.大理岩 发布时间:2017-05-15 22:06 │ 来源:www.tikuol.com 题型:选择题 问题: 成因分类不相同的岩石是 ( )A.石灰岩B.页岩C.砂岩D.大理岩
题型:选择题 Unfortunately when we arrived she _____, so we only had time for a few words.A. just left B. has just left C. was just leaving D. had just left 查看答案
题型:选择题 10岁男孩,低热、干咳5d,查体:两肺未闻及干湿啰音。白细胞8.9×10/L,中性75%,淋巴 25%,肺部X线示:左下肺出现云雾状阴影。最恰当的处理应为A.用红霉素B.用病毒唑C.用头孢霉素D.用抗结核药E.用复方新诺明 查看答案