翻译：

　　87. difficulty (in) keeping up with his classmates

　　88. wouldn’t have been caught by the rain

　　89. more likely to put on weight

　　90. What many people don’t realize

　　91. closely related to the lack of evercise


2009年6月大学英语四级考试翻译答案: http://insuns.com/article/18741-1.html