鹰嘴滑囊炎又称
A.学生肘
B.无功能肘
C.高尔夫球肘
D.矿工肘
E.网球肘
参考答案:D
禁止进入储有煤粉的煤粉仓内进行工作。清扫煤粉仓前,应与()取得联系,把仓内煤粉用尽并放光。
A.运行班长
B.值长
C.运行人员
D.检修班长
用适当的词填空。
1. January is the _________ month of the year.
2. February is the _________ month of the year.
3. December is the _________ month of the year.
4. _________ is the third month of the year.
5. _________ is the fourth month of the year.
6. _________ is the fifth month of the year.