2009年全国硕士研究生入学统一考试英语试题及详细解析.docx

2009年全国硕士研究生入学统一考试英语试题及解析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. _1_the fruit-fly experiments described in 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 3bulbs burn longer, that there is a(n) __4 in not being too bright.Intelligence, it __5 , is a high-priced option. It takes more upkeep, burns more fuel and is slow __6 _ the starting line because it depends on learning — a(n)__7 _ process — instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to __8 . Is there an adaptive value to __9 _ intelligence? That’s the question behind this new research. Instead of casting a wistful glance __10 at all the species we’ve left in the dust I.Q.-wise, it implicitly asks what the real __11 of our own intelligence might be. This is __12 the mind of every animal we’ve 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 __15 animals ran the labs, they would test us to __16the 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 study a(n) 19question: Are humans actually aware of the world they live in? __20 the results are inconclusive. 1. [A] Suppose [B] Consider [C] Observe [D] Imagine 2. [A] tended [B] feared [C] happened [D] threatened 3. [A] thinner [B] stabler [C] lighter [D] dimmer 4. [A] tendency