辉腾锡勒风电场220KV变电站更改定值工作,必须有()人进行,其中一人始终进行监视,更改定值前需将有关()装置停用,更改定值前后都应仔细检查核对。
参考答案:两;保护
根据首字母及汉语提示,完成下列单词的拼写,使句意通顺。
1. Do you think this kind of water is s_____(安全) for drinking?
2. He is writing on the blackboard with a piece of c_____ (粉笔).
3. Our teachers are all very s_____ (严格) with us students.
4. Tom i_____ (邀请) all his best friends to his birthday party last Sunday.
5. We have to c_____ (携带) a lot of books in our school bags every day.
2001-2008年,()的电力公司改造和安装了3180万只智能电能表,建立了智能化计量网络。
A.法国
B.美国
C.英国
D.意大利