考研英语冲刺班完形讲义（全）
Research on animal intelligence always makes me wonder just how smart humans are. 1 he fruit-fly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly 2 live shorter lives. This suggests that 3 lbs burn longer, that there is an 4 not being too terrifically bright.【资料下载】考研英语冲刺班完形讲义（全）
