精选优质文档-倾情为你奉上2009年全国硕士研究生招生考试英语（一）试题Section I Use of EnglishDirections:Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (10 points)Research on animal intelligence always makes us wonder just how smart humans are.1the fruit-fly experiments described by Carl Zimmer in theScience Times. Fruit flies who were taught to be smarter than the average fruit fly2to live shorter lives. This suggests that3bulbs burn longer,
