在职攻硕英语考试

【单选题】Research on animal intelligence always makes me wonder just how smart humans are. (51) the fruit-fly experiments described inCarl Zimmer’s piece in the Science Times on Tuesday. Fruit flies who were taught to be smarter than the average fruit fly (52) to live shorter lives. This suggests that (53) bulbs burn longer, that there is an advantage in not being too terrifically bright.
Intelligence, it (54) , is a high-priced option. It takes more upkeep, burns more fuel and is slow off the starting line because it depends on learning—a (55) process—instead of instinct. Plenty of other species are able to learn, and one of the things they’ve apparently learned is when to (56) .
Is there an adaptive value to (57) intelligence That’s the question behind this new research. I like it. Instead of casting a wistful glance (58) at all the species we’ve left in the dust I.Q.-wise, it implicitly asks what the real (59) of our own intelligence might be. This is on the mind of every animal I’ve ever met.
Research on animal intelligence also makes me wonder what experiments animals would (60) on humans if they had the chance.
A、insists on
B、sums up C、turns outD、puts forward
网考网参考答案：C
网考网解析：
[解析] 根据前文所述，越聪明的生物寿命越短，我们可以得出这样的结论“智能是一种昂贵的选择(需要付出代价)。”it turns out意为“结果就是……”，符合题意。insist on意为“坚持”；sum up意为“总结，概括”；put forward意为“拿出，提出”。这三项均不符合题意，因此正确选项是C。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>