（考研英语）2009年全国硕士研究生入学统一考试《英语》试题.pdf

Section I Use of English Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A, B, C or D on ANSWER SHEET 1. (lOpoints) Research on animal intelligence always makes us wonder just how smart humans are. _1_ the fruit-fly experiments described by Carl Zimmer in the Science Times. Fruit flies who were taught to be smarter than the average fruit fly 2 to live shorter lives. This suggests that 3 bulbs bum longer, that there is a(n) 4 in not being too bright. Intelligence, it_5_, is a high-priced option. It takes more upkeep, bums more fuel and is slow 6 the starting line because it depends on learning - a(n) _?_ process - instead of instinct. Plenty of other species are able to learn, and one of the things theyve apparently learned is when to -�8 __ _ Is there an adaptive value to _9_ intelligence? Thats the question behind this new research. Instead of casting a wistful glance 10 at all the species weve left in the dust I.Q.-wise, it implicitly asks what the real_l_l_ of our own intelligence might be. This is...U the mind of every animal weve ever met. Research on animal intelligence also makes us wonder what experiments animals would 13 on humans if they had the chance. Every cat with an owner, 14 is running a small-scale study in operant conditioning. We believe that ____lL animals ran the labs, they would test us to ___lQ__ the limits of our patience, our faithfulness, our memory for locations. They would try to decide what intelligence in humans is really 17 , not merely how much of it there is. 18 they would hope to st