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  3. Research on animal intelligence always makes me wonder just how smart humans

Research on animal intelligence always makes me wonder just how smart humans

游客2025-01-31  12
问题     Research on animal intelligence always makes me wonder just how smart humans are.【C1】______the fruitfly 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【C2】______to live shorter lives. This suggests that【C3】______bulbs burn longer, that there is an【C4】______in not being too terrifically bright.
    Intelligence, it【C5】______, is a high-priced option. It takes more upkeep, burns more fuel and is slow【C6】______the starting line because it depends on learning—a gradual【C7】______—instead of instinct. Plenty of other species are able to learn, and one of the things they’ ve apparently learned is when to【C8】______
    Is there an adaptive value to【C9】______intelligence? That’ s the question behind this new research. I like it. Instead of casting a wistful glance【C10】______at all the species we’ ve left in the dust I. Q. wise, it implicitly asks what the real【C11】______of our own intelligence might be. This is【C12】______the mind of every animal I’ ve ever met.
    Research on animal intelligence also makes me wonder what experiments animals would【C13】______on humans if they had the chance. Every cat with an owner,【C14】______, is running a small-scale study in operant conditioning, we believe that【C15】______animals ran the labs, they would test us to【C16】______the limits of our patience, our faithfulness, our memory for terrain. They would try to decide what intelligence in humans is really【C17】______, not merely how much of it there is.【C18】______, they would hope to study a【C19】______question. Are humans actually aware of the world they live in?【C20】______the results are inconclusive. [br] 【C10】
选项 A、upward
B、forward
C、afterward
D、backward
答案 D
解析 A选项意为“向上”；B选项意为“向前”；C选项意为“后来”；D选项意为“向后”。根据后文“我们留下的”可知，此句应该意为“留恋地回首瞥一眼”，因此正确选项是D。
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