下面哪些不是飞机加油员应使用的劳动保护用品()。
A.手套
B.耳塞
C.护目镜
D.绝缘靴
参考答案:D
用所给动词的适当形式填空。
1. Can you help the students with________ (swim)?
2. My father________(not want) to go fishing.
3. Thank you for________(help) me.
4.What can Mary_________(do)?
5. Tom_________(paint) pictures for his mother sometimes.
煤气管道可根据()等进行分类。
A.用途
B.敷设方式
C.输送煤气压力等