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
B) adaptations
C) brutal
D) deliberately
E) expressed
F) extends
G) habitats
H) humble
I) image
J) literally
K) refined
L) revolves
M) speculate
N) structure
O) thrive
【C1】
选项
答案C
解析 空格所在句的意思是：身为最___________食肉动物之一，虎鲸也许不符合……。本句的主语是killer whales，即最_________食肉动物之一。即使不知道这是什么动物，由名字killer whales也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也可以得出同样的判断。因此，本空应填入含有“凶猛的，凶残的”意义的形容词，故brutal“野蛮的、凶残的”为本题答案。其他备选形容词均没有“凶猛的，凶残的”这一含义，因此排除。
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大学英语四级

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