二.重点单词 (key words)： 六道。
89. The professor required that we (should) hand in the research report (我们交研究报告) by Wednesday.(2006. 6)
强化例句：He suggested that a double railway tunnel should be built.
87. Specialists in intercultural studies say that it is not easy to adapt oneself to life in different cultures. (2006.12 )
强化例句：I am used to traveling by air. (这里，used = accustomed, 是形容词)
87. The finding of this study failed to consider the quality of human's sleep. (将人们的睡眠质量考虑在内 ) (2007. 6 )
89. Because of the leg injury, the athlete decided to quit the match. (决定退出比赛) (2007. 6 )
90. To make donations or for more information, please contact us at the following address. (按以下地址和我们联系) (2007. 6 )
强化例句：
I crossed the street to avoid meeting him.
The Hubble telescope was launched into space by NASA…
91. Please come here at ten tomorrow morning at your convenience. (如果你方便的话)
强化例句：After having been instructed to drive out of town, I began to acquire confidence.
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