在用电方安装的用电计量装置及电能信息采集装置由供电方维护管理，用电方负责保护并监视其正常运行。
参考答案：对
根据句意和首字母提示，完成句中所缺单词。
1. T______he is a child he knows a lot.
2. The twins have some things in c______.
3. Here we have more i______about the basketball player.
4. Sometimes my friends and I have o______views.
5. The girl never stops talking. She is more o______than her mother.
VmlAl2(SO4)3溶液中含Al3＋ag，取V/4ml溶液稀释到4Vml，则稀释后溶液中SO的物质的量浓度是 ( )
