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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. We all know people who are completely unflappable, able to remain calm in the face of total calamity. Dont you just hate those people? Well, a new study
Scientific American(十)月
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欧美歌手专辑
This is the VOA Special English Agriculture Report. For Chinese, this is the Year of the Pig. So this is probably as good a time as any to talk about the different kinds of production systems for raising pigs. Technician Adam Lewis, left, and suppor
VOA慢速英语2007年（三）月
1. Work in a field you love. 做自己喜欢做的事 Do what you love is perhaps the most basic productivity tip of all. You'll be much more productive when you do work you enjoy. Unfortunately, this tip is as obvious as it is ignored. 做自己喜欢
求职英语
Task 21 You bought audio cassette player in a store. but just after one week, you found it broken down the store did not want to give you a new one as replacement . so you write to the manufacturer about this problem of the player and the store and a
雅思英语