高可靠性是指（）。
A.重要资源都有备份
B.能够检测到潜在要发生的问题
C.能够实时在线诊断，精确定位根本问题
D.计算机能够持续运转
参考答案：D
词语运用根据句意所给提示，补全单词或用单词、固定短语、固定搭配的正确形式填空。
1. The water is very s_____with much sugar in it.
2. He listened to the beautiful music with_____(please).
3. During that time, the population of the world_____(增长)slowly.
4. Weddings often take place in _____(教堂)in western countries.
5. I want to get a_____(专门地)trained dog to help me hl many ways in my daily life.
工程招标代理机构在委托人的授权范围内从事的招标行为，其法律责任由( )承担。
A．招标代理机构
B．委托人
C．投标人
D．监理单位
