2. 外语
  3. In what’ s probably the craziest headline I’ ve ever written, I’ ve reported that【C1】______in livestock protection are happening

In what’ s probably the craziest headline I’ ve ever written, I’ ve reported that【C1】______in livestock protection are happening

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问题     In what’ s probably the craziest headline I’ ve ever written, I’ ve reported that【C1】______in livestock protection are happening with scientists painting eyes on the butts of cows. The experiment is based upon the idea that farmers who’ re protecting their herd from lions would shoot and kill lions in an effort to protect their livestock. While this makes a lot of sense, it results in many lion deaths that【C2】______would have been unnecessary. Researchers in Australia have been【C3】______and testing a method of trickery to make lions think they are being watched by the painted eyes on cow butts.
    This idea is based on the principle that lions and other【C4】______are far less likely to attack when they feel they are being watched. As conservation areas become smaller, lions are increasingly coming into contact with human populations, which are expanding to the【C5】______of these protected areas.
    Efforts like painting eyes on cow butts may seem crazy at first, but they could make actual headway in the fight for conservation. " If the method works, it could provide farmers in Botswana—and【C6】______—with a low-cost, sustainable tool to protect their livestock, and a way to keep lions safe from being killed. "
    Lions are【C7】______ambush (埋伏) hunters, so when they feel their prey has【C8】______them, they usually give up on the hunt. Researchers are【C9】______testing their idea on a select herd of cattle. They have painted half of the cows with eyes and left the other half as normal. Through satellite tracking of both the herd and the lions in the area, they will be able to【C10】______if their psychological trickery will work to help keep farmers from shooting lions.
A) advances I) otherwise
B) boundaries J) predators
C) challenging K) primarily
D) currently L) retorted
E) determine M) spotted
F) devising N) testimonies
G) elsewhere O) wrestle
H) nevertheless
【C5】
选项
答案B
解析 空格前为定冠词the，空格后为介词of，故本空需要填入一个名词。结合句意可知，随着保护区范围越来越小，狮子与人类的接触也越来越频繁，甚至扩展到这些保护区的边界。备选项中只有boundaries(边界，范围)符合句意，故答案为B。
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