题目: 一He's never seen to eat so much food, ______? 一No, he always eats a little. [ ]A. is he B. isn't he C. has he D. hasn't he 答案: 答案:A
题型:单项选择题 案例分析题 下图是某地的地形剖面图,其中纵坐标的划分间隔为0.5cm,横坐标的划分间隔为1cm,读图回答下列各题。图中B点的绝对高度和相对于A点的相对高度分别是()A.350米和200米B.300米和350米C.300米和250米D.200米和300米 查看答案