2. 外语
  3. Just because they can’t sing opera or ride a bicycle doesn’t mean that animals don’t have culture. There’s no better example of

Just because they can’t sing opera or ride a bicycle doesn’t mean that animals don’t have culture. There’s no better example of

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问题    Just because they can’t sing opera or ride a bicycle doesn’t mean that animals don’t have culture. There’s no better example of this than killer whales. As one of the most【C1】______predators (食肉动物), killer whales may not fit the【C2】______of a cultured creature. However, these beasts of the sea do display a vast range of highly【C3】______behaviors that appear to be driving their genetic development.
   The word " culture" comes from the Latin " colere," which【C4】______means " to cultivate. " In other words, it refers to anything that is【C5】______or learnt, rather than instinctive or natural. Among human populations, culture not only affects the way we live, but also writes itself into our genes, affecting who we are. For instance, having spent many generations hunting the fat marine mammals of the Arctic, the Eskimos of Greenland have developed certain genetic【C6】______that help them digest and utilize this fat-rich diet, thereby allowing them to【C7】______in their cold climate.
   Like humans, killer whales have colonized a range of different【C8】______across the globe, occupying every ocean basin on the planet with an empire that【C9】______from pole to pole. As such, different populations of killer whales have had to learn different hunting techniques in order to gain the upper hand over their local prey (猎物). This, in turn, has a major effect on their diet, leading scientists to【C10】______that the ability to learn population-specific hunting methods could be driving the animals’genetic development.
   A) acquired I) image
   B) adaptations J) literally
   C) brutal K) refined
   D) deliberately L) revolves
   E) expressed M) speculate
   F) extends N) structure
   G) habitats O) thrive
   F) extends N) structure
   H) humble
【C1】
选项
答案C
解析 形容词辨析题。空格前面是表示形容词最高级的the most，后面是名词predators，因此本空应填入形容词。空格所在处意思是“作为最______食肉动物”，主语是killer whales。由名字killer whales可以推断这种动物很凶残，而且下一句提到these beasts of the sea，由beasts也可以得出同样的推测。因此，本空应填人含有“凶猛、凶残”意义的形容词，故C)brutal“野蛮的，凶残的”为本题答案。其他备选形容词均没有“凶猛、凶残”的意义，因此排除。
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大学英语四级

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