容器设备发生失效或事故往往是某一原因产生的,常涉及到()到使用,以及使用后历次检验与维修的情况。
A、设计、
B、制造
C、原材料
D、检验
参考答案:A, B, C, D
连词成句,将所给单词连成完整、正确的句子。
1. you. for, ever, have, school, been, late
2. before, the, school, l, class, got, had, to. Begun
3. already, you, got, when, had, outside, the, train, arrivd
4. that, book, said, he, he, room, his, left, in, had, the
5. both, girlfriend, the, show, his, his, lost, TV, and, star
电力调度机构接收谁的依法监管?