（  ）52. In response to an economic crisis, it is advisable to take risks.

( ) 12. The fish which are caught by a fisherman in South America may be made into pet food.

48.The exhibition is sponsored by   48   organizations.

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. 

20. The new stadium being built for the next Paralympic Games will be ____ the one that has been destroyed.

（  ）53. In addition to being a source of income, our jobs define who we are in the world.

25. She was the only one of the girls in our class ____ accepted as a candidate for the president of our Students’ Union.

61. 真正的友谊就像健康一样，失去了才觉得宝贵。

5.

26. You might keep those old jam bottles. You never know ___ you might need them.

49.    , drink-making techniques, equipment and packaging are exhibited in the exhibition.

7.