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填空题Why doesn't a man talk of such things?
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填空题______(因为手头非常缺钱), he decided to apply for the job.
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填空题There is always someone in your life _______________ (其言行对你影响最大).
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填空题We thought Mary would pass and John would fail, ______ (但与预期的相反) it was the other way round.
填空题All bears eat similarly insects, fruits, nuts, and small animals.
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填空题Transducers are instruments like a microphone, TV camera, radio or phonograph, which convert one form of energy into another.
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填空题When we 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
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, so do all the things associated with us,
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our livestock (牲畜). 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
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part of our enormous biological footprint upon this planet.
Just how enormous was not really apparent until the
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of a 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
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—also compete directly with humans for water. And the drive to expand grazing land destroys more biologically sensitive terrain,
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rain forests, than anything else.
But what is even more striking, and alarming, is that livestock are
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for about 18 percent of the global warming effect, more than transportation"s
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. 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
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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
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directions.
A. available I. multiply
B. certainly J. passion
C. concerning K. publication
D. contribution L. responsible
E. critical M. sustainable
F. especially N. waste
G. including O. yield
H. liable
填空题Hundreds of people tried to escape the Johnstown flood by making rafts from pieces of wreckage but none of them survived.
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