企业“三违”具体是指()。
A、违章指挥
B、违反操作规程
C、违反劳动纪律
D、违章作业
参考答案:A,C,D
The tiger ______ eat grass. It ______ meat. [ ]
A. don't , eats
B. doesn't , eats
C. doesn't , eat
()是对金属工件进行加热的地方。
A、炉膛
B、炉墙
C、炉底