湿式系统、干式系统的喷头动作后,应由()直接连锁自动启动供水泵。
A、压力开关
B、消防控制室
C、报警阀
D、控制柜
参考答案:A
Every morning Steve went to work by train. As he has a long trip,he always buys newspaper. It helps make the time passing more quickly. One Tuesday morning,he turned over the sports page. He wanted to see the report about an important football match the night before. The report was so interesting that he forgot to get off at his station. He did not know it unless he saw the sea. He got off at the next station,but had to wait a long time for a train to go back. It was no doubt that he arrived late at the office. His boss was angry when Steve told to him why he was late.“Work is very important than football!” he shouted.
当事人超越经营范围订立的合同,除违反国家限制经营、特许经营以及法律、行政法规禁止经营规定的以外,该合同有效。()
A.正确
B.错误