钻孔时对劳保穿戴有哪些要求？
参考答案：操作者衣袖要扎紧，严禁带手套，头部不要靠钻头太近，女工必须带工作帽，防止发生事故。
阅读理解。
1. Who is helping protect the environment?
A. Mrs. Gao
B. Mr. Xu
C. Miss Gao
D. Mr.Lu
2. When can people go to visit the old people in the old people’s home?
A. On Monday.
B. On Wednesday.
C. On Friday.
D. On Saturday.
3. What does the second piece of news call on people to do?
A. To stay with the poor.
B. To visit old people.
C. To help the poor.
D. To collect rubbish.
使足跖屈的肌是（）。
A.腘肌
B.比目鱼肌
C.趾长屈肌
D.长屈肌
E.胫骨后肌
