焊工的劳动保护穿戴有什么要求?
参考答案:
焊工使用的防护工作服,上衣不得掖入裤内,裤脚不得卷边,鞋苫不得扎在裤脚外。电焊作业时严禁戴潮湿手套。
在一组数据-1,1,2,2,3,4,5中,众数是( )
A.-1
B.1
C.2
D.5
The war was over about three months ago, ______ the American soldiers in Iraq are still having a lot of
trouble to deal with.[ ]
A. or
B. and
C. but
D. so