【简答题】Once there lived a man in a small town. He often said, “If I have lots of gold, I shall be the happiest man in the world.” One day he was traveling in North Africa. He lost his way and he was so hungr...
【简答题】阅读理解 I'm usually fairly skeptical about any research that concludes that people are either happier or unhappier or more or less certain of themselves than they were 50 years ago. While any of these st...