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
【C7】
选项
答案O
解析 动词辨析题。空格处于allow sb．to do sth．的结构中，因此应填入动词原形。空格所在句指出，格陵兰岛的爱斯基摩人数代都以猎杀北极高脂肪的海洋哺乳动物为生。他们的某些基因改变了，来帮助他们消化和利用这种富含脂肪的食物，因此他们能在寒冷的气候中________。由此可推断，爱斯基摩人能消化和利用富含脂肪的食物，这使得他们能在寒冷的气候中生活。因此，本空应填入含有“生活，生存”意义的动词原形。再结合备选项可知，本题答案为O)thrive“茁壮成长，兴旺”。另外三个动词原形H)humble“使谦恭；(轻易)击败(强敌)”、M)speculate“猜测，推测”和N)structure“组织，安排”均不符合句意，因此排除。
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大学英语四级

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