仪表安装常用槽钢、角钢的材质一般为（）。
A、A3钢
B、B2钢
C、C2钢
D、08F钢
参考答案：A
简述什么是运动训练？
根据句意和汉语提示，填写单词。
1. American people eat with a (餐刀) and fork.
2. The geography teacher is (指) to the map on the wall.
3. You should use a (匙) to eat the soup.
4. Be careful not to (刺) the needle (针) in your finger.
5. — Would you like another one?
— No, thanks. I'm (吃饱的).
指) to the map on the wall.