According to this passage, the money you get as interest from government bonds is      .(  )

• A、the money earned
• B、the money not earned but received
• C、the money received for the contribution you have made to the economy
• D、the money earned for the service you have furnished to the economy

This passage is mainly about      .(  )

• A、the difference between national income and GNP
• B、the difference between national income and personal income
• C、the concept of income
• D、the difference between disposable income and nondisposable income

第七部分:短文寫作(第51題,30分)

51.請根據下列材料寫一篇150詞左右的英語短文。

On college campuses across the nation, there is a noticeable phenomenon that we cannot afford to ignore: far too many young college students lack the sense of gratitude. What is your opinion about this phenomenon?