浮子式钢带液位计主要由（）、传递部分、指示部分组成.
A.浮子
B.滑轮组
C.导向钢丝
D.检测部位
参考答案：D
When I was a child, my grandmother _______ me interesting stories. [ ]
A. used to tell
B. is used to telling
C. used to tell
