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2024-02-21  31
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【S1】______. so do all the things associated with us,【S2】______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【S3】______part of our enormous biological footprint upon this planet.
    Just how enormous was not really apparent until the【S4】______of a new report, called "Livestock’s Long Shadow," by the Food and Agriculture Organization 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【S5】______— also compete directly with humans for water. And the drive to expand grazing land destroys more biologically sensitive terrain, rain forests【S6】______. than anything else.
    But what is even more striking, and alarming, is that livestock are【S7】______for about 18 percent of the global warming effect, more than transportation’s【S8】______. 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【S9】______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【S10】______directions.
[A] publication [F] multiply [K] liable
[B] waste [G] critical [L] sustainable
[C] contribution [H] passion [M] responsible
[D] certainly [I] concerning [N] including
[E] yield [J] available [O] especially [br] 【S3】
选项
答案 G
解析 空前的a和空后的part表明，本空应填一以辅音音素开头的形容词。结合下文具体讲到的牲畜对地球的巨大影响不难得出答案为[G]critical“关键性的”。
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