There______ a lot of snow in our city last year. [ ]
A. is
B. are
C. was
D. were
答案:C
栅栏距离钢轨外侧不少于2.0米:道口每侧栅栏应高出地面1.0米以上。
反三违”是指()。
A.反违反规章制度、反违章指挥、反违反劳动纪律
B.反违章指挥、反违章操作、反违反劳动纪律