《二零一六 年全国硕士研究生入学考试英语试题及参考答案》.pdf

梦飞翔考研工作室 友情提供 QQ 2009年考研英语真题和答案 SectionIUseofEnglish Directions: Read the following text. Choose the best word(s) for each numbered blank and markA, B, C or D onANSWERSHEET1.(10points) Research on animal intelligence always makes me wonder just how smart humans are. 1 the fruit-fly experiments described in Carl Zimmer’s piece in the Science Times on Tuesday. Fruit 9 flies who were taught to be smarter than the average fruit fly 2 to live shorter lives. This suggests 5 that3bulbsburnlonger,thatthereisan4innotbeingtooterrificallybright. Intelligence, it 5 out, is a high-priced option. It takes more upkeep, burns more fuel and is slow 6 6 the starting line because it depends on learning — a gradual 7 — instead of instinct. Plenty of 1 otherspeciesareabletolearn,andoneofthethingsthey’veapparentlylearnediswhento8. 2 Is there an adaptive value to 9 intelligence? That’s the question behind this new research. I like it. 3 Instead of casting a wistful glance 10 at all the species we’ve left in the dust I.Q.-wise, it 1 implicitly asks what the real 11 of our own intelligence might be. This is 12 the mind of every animalI’veevermet. 8 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 ： operantconditioning.we believethat 15 animals ran the labs,they would testus to 16 the