文档介绍：2009年全国硕士研究生入学统一考试英语试题
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.(10 points)
Research on animal intelligence always makes me wonder just how smart humans 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__to live shorter lives. This suggests that__3__bulbs burn longer, that there is an__4__ in not being too terrifically bright.
Intelligence, it__5__ out, 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. I like it. Instead of casting a wistful glance__10__at all the species we’ve left in the dust .-wise, it implicitly asks what the real__11__ of our own intelligence might be. This is__12__the mind of every animal I’ve ever met.
Research on animal intelligence also makes me 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__16__the limits of our patience, our faithfulness, our memory for terrain. They would try to decide what intelligence in humans is really__17__, not merely how much of it there , they would hope to study a __19__question: 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 [B] advantage [C] inclination [D