2009年考研英语真题（可复制、可搜索）

2009年全国硕士研究生入学统一考试英语试题Section I Use of EnglishDirections:Read the following text.Choose the best word(s)for each numbered blank ardmark A,B,C or D on ANSWER SHEET 1.(10points)Research on animal intelligence always makes us wonder just how smarthumans are.1 the fruit-fly experiments described by Carl Zimmer in theScience Times.Fruit flies who were taught to be smarter than the average fruitfly 2 to live shorter lives.This suggests that 3 bulbs burn longer,thatthere is a(n)4 in not being too bright.Intelligence,it5,is a high-priced option.It takes more upkeep,burns morefuel and is slow6the starting line because it depends on learning -a(n)7process-instead of instinct.Plenty of other species are able to learn,andone of the things they've apparently learned is when to8Is there an adaptive value to 9 intelligence?That's the question behind thisnew research.Instead of casting a wistful glance 10 at all the species we've leftin the dust I.Q.-wise,it implicitly asks what the real 11 of our own intelligencemight be.This is 12 the mind of every animal we've evermet.Research on animal intelligence also makes us wonder what experiments animalswould13 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 15 animalsran the labs,they would test us to 16 the limits of our patience,our faithfulness,our memory for locations.They would try to decide what intelligence in humans isreally 17,not merely how much of it there is.18,they would hope tostudy a(n)19 question:Are humans actually aware of the world they live in?20 the results are inconclusive.英语试题.1.（共14页）