题目

The phone rings. It’s a friend who wants to tell you his or her latest health problems. You hate to be impolite and cut your friend off, but what can you do? Stephanie Winston, author of Stephanie Winston’s Best Organizing Tips, offers his advice: Don’t ask questions like “What’s new?” They give the information that you have time to talk. After “hello”, get right to the heart of the matter. Time your calls wisely. If you make a call right before lunch or dinner, or at the end of the workday, people chat less. Set a time limit. Start with, “Hi, I’ve only got a few mi油桶制造厂的某车间主要负责生产制造油桶用的的圆形铁片和长方形铁片,该车间有工人42人,每个工人平均每小时可以生产圆形铁片120片或者长方形铁片80片.如图,一个油桶由两个圆形铁片和一个长方形铁片相配套. 生产圆形铁片和长方形铁片的工人各为多少人时,才能使生产的铁片恰好配套?
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