2008年12月大学英语四级真题

87.Medical researchers are painfully aware that there are many problems to which they have no answers.（他们至今还没有答案）

医学研究人员很痛苦的发现至今仍有很多难题他们还没有找到答案。

解析：“……的答案”译为“answers to… ”，此处为定语从句，which 引导则把介词提前。也可以填“that they haven’t found answers to”that 引导介词to放于原处。

88.What most parents are concerned about (大多数父母所关心的)is providing the best education possible for their children.

大多数父母所关心的是尽可能为孩子提供最好的教育。

解析：分析句子可知后面的is providing谓语前缺少主语，故用名词性从句做主语；“关心，牵挂”可用“be concerned about”

89.You’d better take a sweater with you in case it turns cold.（以防天气变冷）

你最好带件毛衣以防天气变冷。

解析：“in case”“以防”

90.Through the project, many people have received training and decided to start their own business.(决定自己创业)

通过这个项目，很多人得到了培训并决定自己创业。

解析：“决定做某事”可用“decide to do sth.”;“创业”可用“start one’s own business”

91.The anti-virus agent was not be found until it was accidentally found by a docter.（直到一名医生发现了它）

直到一名医生的偶然发现，这种抗病毒药物才被人们所了解。

解析：考察”not…until”的用法；“偶然”可用“accidentally by/by accident/by chance”