2. 职称英语
  3. When you think about the growth of human population over the last century or

When you think about the growth of human population over the last century or

游客2023-07-07  55
问题     When you think about the growth of human population over the last century or so, it is all too easy to imagine it merely as an increase in the number of humans. But as we【C1】______, so do all the things associated with us,【C2】______our livestock(家畜). At present, there are about 1.5 billion cattle and domestic buffalo and about 1.7 billion sheep and goats. With pigs and poultry, they form a【C3】______part of our enormous biological footprint upon this planet.
    Just how enormous was not really apparent until the【C4】______of a new report, called "Livestock’s Long Shadow," by the Food and Agriculture Organisation of the United Nations.
    Consider these numbers. Global livestock grazing(放牧)and feed production use "30 percent of the land surface of the planet." Livestock — which consume more food than they【C5】______— also compete directly with humans for water. And the drive to expand grazing land destroys more biologically sensitive terrain, rain forests【C6】______, than anything else.
    But what is even more striking, and alarming, is that livestock are【C7】______for about 18 percent of the global warming effect, more than transportation’s【C8】______. The culprits(罪魁祸首)are methane — the natural result of bovine digestion — and the nitrogen emitted by manure. Deforestation of grazing land adds to the effect.
    There are no easy trade-offs when it comes to global warming — such as cutting back on cattle to make room for cars. The human【C9】______for meat is certainly not about to end anytime soon. As "Livestock’s Long Shadow" makes clear, our health and the health of the planet depend on pushing livestock production in more【C10】______directions.
A)publication I)concerning
B)waste J)available
C)contribution K)liable
D)certainly L)sustainable
E)yield K)responsible
F)multiply N)including
G)critical O)especially
H)passion [br] 【C7】
选项
答案 M
解析 空前的are和空后的for表明，本空应填形容词或者名词，且该词应与for搭配。由what is even more striking…可知，本段依然在介绍牲畜对地球的负面影口向。由下句的解释“罪魁祸首是甲烷——这些甲烷是反刍牲畜消化道的自然产物”可知，本句说的是牲畜导致了全球变暖。be responsible for意为“对……负责，是造成……的原因”，符合此处语义，故答案M)responsible。be liable for指“对……有法律责任的或有义务的”，常用来形容人，与此处的主语livestock
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