断口呈贝壳状,暗红色,具树脂样光泽的药材是() A.石膏 B.信石 C.朱砂 D.赭 发布时间:2017-07-10 05:39 │ 来源:www.tikuol.com 题型:单项选择题 问题: 断口呈贝壳状,暗红色,具树脂样光泽的药材是()A.石膏B.信石C.朱砂D.赭石E.雄黄
题型:单项选择题 The view ______ many scientists hold is ______ too much emission of carbon dioxide is destructive.[ ]A. what ,that B. that, which C. that, that D. which, which 查看答案