18. This player was lucky actually because that was the third time he ____ the championship.

63. 癌症是仅次于心脏病的致死原因之一。

5.

62. 冰箱对环境的影响显而易见,对人类幸福的贡献却微不足道。

46. A telephone directory is also called   46 .

36. According to David Paik, being your own boss is ____.

28. ____ his elder brother, Peter is quiet and does not easily make friends with his classmates.

2.

（ ）51. Some customers still prefer traditional shopping because it is more personal and shopping with friends is full of fun.

23. Under no circumstances ____ to tell lies to your friends.

（  ）13. The fresh water often comes from rivers, lakes, underground and seas.

Conversation 28.