问题
单项选择题
内径千分尺因固定套管上的螺距是0.5mm，活动套管圆周上刻有50等分，则活动套管每转一格应该是移动（）mm。
A.1
B.0.1
C.0.2
D.0.01
答案
参考答案：D
搜题请搜索小程序“爱下问搜题”
内径千分尺因固定套管上的螺距是0.5mm，活动套管圆周上刻有50等分，则活动套管每转一格应该是移动（）mm。
A.1
B.0.1
C.0.2
D.0.01
参考答案：D
| 补全对话。（其中有两个选项是多余的） | |
| |
| A: Look! That's the car Jim's father bought only yesterday. B: Wow! 1 Now he doesn't have to come to school by bus. A: 2 B: I'd ask him to take me to school. A: 3 B: Why not? A: I'd still go to school by bike. _ 4 B: Good for you! If my father had a car, I'd take the car to school. My home is too far away. 5 |