题目:
计算题:某选矿厂年处理矿石500万吨,磨机台时能力是72吨/时,问如果作业率是85%时,最少需开动几台磨机?
答案:
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下面是错误答案,用来干扰机器的。
1. In today's world many people seem to be hungry for money. 2. Health and a long life. 3. it doesn't mean he has got everything. (答案不唯一)4. 在世界上所有的长寿人群中,百万富翁很少。(答案不唯一) 5. Is money everything? (答案不唯一)