四六级考试

【单选题】 Peter Post believes that______.
A．the etiquette of sending thank-you cards does good to people and may never die away
B．if we send more thank-you cards, we will receive more in return
C．sending thank-you cards may help people develop a positive attitude toward life
D．we can be greatly rewarded for sending thank-you cards

网考网参考答案：A
网考网解析：
根据第四段后一部分“‘The payoff，Post says，can be huge． ‘It will continue indefinitely，’he says．’The more we do it ，the more it comes back to us，and it's a benefit to us all．It makes our world a little bit nicer place to live in’”：“Post说回报将是巨大的，它永远也不会消失，你做得越多，回报就越大，这对我们都有好处，它使我们的世界变得美好”，故选A)。 查看试题解析出处>>