单选题:过Z轴和点(1,2,-l)的平面方程是( )。 题目分类:公共基础 题目类型:单选题 查看权限:VIP 题目内容: 过Z轴和点(1,2,-l)的平面方程是( )。 A.X+2y-z-6=0 B.2x-Y=0 C.Y+2z=0 D.x+z=0 参考答案: 答案解析:
难溶电解质AgCl的浓度是 0.01mol/ml的下列溶液中,溶解度最小的是 难溶电解质AgCl的浓度是 0.01mol/ml的下列溶液中,溶解度最小的是A.(A)氨水 B.(B)KCl C.(C)水 D.(D)硫代硫酸钠 分类:公共基础 题型:单选题 查看答案
You can __newspapers if you want to know what is going on in You can __newspapers if you want to know what is going on in the world. A.see B. 分类:公共基础 题型:单选题 查看答案
Where are they talking? Where are they talking?A.At a hotel. B.At a restaurant. C.At a shopping center. 分类:公共基础 题型:单选题 查看答案
四备是指________、________、________、________,编写教案应首先熟悉这四个方面。 四备是指________、________、________、________,编写教案应首先熟悉这四个方面。 分类:公共基础 题型:单选题 查看答案