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
【C8】
选项
答案G
解析 名词辨析题。空格前面是形容词different，而且还有词组a range of，因此应填人名词复数。空格所在句意思是“同人类一样，虎鲸在全球的许多不同______大量繁殖……。”本句说明虎鲸在地球上分布广泛，由此可推断空格处应填人含有“居住地、栖息地”意义的名词复数，故本题答案为G)habitats“栖息地，生活环境”。另外一个备选名词复数B)adaptations不符合句意，因此排除。
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大学英语四级

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