依据《电业安全工作规程》的规定,可以把清仓的煤粉排入不运行的锅炉内。
参考答案:错
解析:严禁把清仓的煤粉排入不运行的锅炉内。
My life has changed a lot during the _____ years.[ ]
A. past a few
B. past few
C. a few past
D. few past
为了防止程序和数据被破坏以及灾后能重建和恢复,必须要有程序和数据的______。