氧平衡
参考答案：
用来表示炸药内含氧量于充分燃烧可燃元素所需氧量之间的关系，通常用每克炸药不足或多余的氧的克数百分数表示。
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.
以下说法中哪一项是正确的（）
A、在BBS上发表见解，是没有任何限制的
B、利用“黑客”软件对民间网站进行攻击是不犯法的
C、在自己的商业软件中加入防盗版病毒是国家允许的
D、传播计算机病毒是一种犯罪行为
