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   F) extends   K) refined
    B) adaptations  G) habitats    L) revolves
    C) brutal   H) humble   M) speculate
    D) deliberately  I) image   N) structure
    E) expressed   J) literally   O) thrive
【C3】
选项
答案K
解析 形容词辨析题。空格前面是副词highly，后面是名词behaviors，因此本空应填入形容词作定语。空格所在句意思是：但是，这些海中猛兽确实展现出许多高度________行为，这些行为似乎正在驱动着它们的基因发展。前一句提到，虎鲸也许不符合有文化的生物的形象。本句与前一句构成转折关系，说明虎鲸的许多行为可以体现出它们是有文化的，因此本空填入的形容词应该是褒义的，而且与“有文化”相关。备选形容词中，只有K)refined“优雅的，有教养的”符合要求，因此可得出本题答案为K)refined。备选形容词中的C)brutal“野蛮的，凶残的”和H)humble“谦虚的，谦卑的”不符合句意，因此排除。
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大学英语四级

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