62. 你是在什么时候意识到英语非常值得学习的？

( ) 14. Usually the poor countries decide the prices of natural resources.

66. Great writers are those who not only have great thoughts but also express these thoughts in words which appeal powerfully to our minds and emotions. This charming and telling use of words is what we call literary style. Above all, the real poet is a master of words. He can convey his meaning in words which sing like music, and which by their position and association can move men to tears. We should therefore learn to choose our words carefully and use them accurately, or they will make our speech dull. 

63. 新图书馆比以前的大两倍。

64. 地震中，许多房屋受损严重，成千上万的人无家可归。

( ) 15. The richer countries always raise the prices of their imports.

10.

40. In which section of the newspaper would you probably read this article?

23. The letter is from my sister, ____ is working in Beijing.

33. He glanced at the envelope and ____ his uncle‘s handwriting.

（  ）54. It’s impossible for us to avoid the economic crisis, so we have to learn to live through it.

Conversation 28.