根据句意、中文提示或英语释义写单词。

1. He has made a few ____________ (错误) in the exam because he is very careless.

2. Thanks for offering me some suggestions. They will be of great ____________ (价值) to me.

3. Many people ____________ (gave an answer) to our advertisements last week.

4. If a TV programme is covered ____________, it is broadcast while the event is happening.

5. Detective Lu said that the victim was attacked with a knife and bled to __________ as a result.

风险的三个基本要素是( )。

A．风险因素、风险事故、风险损失
B．风险责任、风险损失、风险赔偿
C．风险事故、风险原因、风险结果
D．风险诱因、风险环境、风险损失