问题
选择题
在平面内,将一个图形沿某个方向移动一定距离,这样的图形变换为平移,如图,将网格中的三条线段沿网格线的方向(水平或垂直)平移后组成一个首位依次相接的三角形,至少需要移动

A.12格
B.11格
C.9格
D.8格
答案
答案:C
在平面内,将一个图形沿某个方向移动一定距离,这样的图形变换为平移,如图,将网格中的三条线段沿网格线的方向(水平或垂直)平移后组成一个首位依次相接的三角形,至少需要移动
A.12格
B.11格
C.9格
D.8格
答案:C
从方框中选择最佳选项完成对话,有两项多余。 | |
B: Look at the sign, please. 1._____ A: 2._____ B: I' m afraid not. All the offices are nonsmoking areas. A: Oh, dear! 3._____ B: There is a smoking room on the first floor. Perhaps you can smoke there. A: Sorry. I 'm new here. 4._____ B: Sure. Follow me, please. I'm afraid smoking is bad for your health. You'd better give it up. A: 5._____I'll think about it. 1._____2._____3._____4._____5._____ |