新托福考试阅读练习：狗为什么通人性？
许多人把狗狗当做宠物的原因之一就是认为狗能通人性，可为什么它们能懂得人类的想法呢?下面的新托福考试阅读练习资料也许能解答这个问题。 Point at a ball and a dog will look at the ball, whereas a cat will probably look at your hand. Dogs seem to have a ready understanding of how human beings direct attention by poi...