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电子科技大学
2015 年攻读硕士学位研究生入学考试试题
考试科目:244 英语(二外 仅日语方向)
注:无机读卡,所有答案必须写在答题纸上,写在试卷或草稿纸上均无效。
Part I Reading Comprehension (40%)
Directions: There are 4 passages in this part. Each passage is followed by some questions or
unfinished statements. For each of them there are four choices marked A), B), C) and D). You should
decide on the best choice and then write the corresponding letter on the Answer Sheet
Passage One
Questions 1 to 5 are based on the following passage.
People in California love to talk about “zero-emissions vehicles,” but people in California seem
to be clueless about where electricity comes from. Power plants most all use fire to make it. Aside
from the few folks who have their roofs covered with solar cells, we get our electricity from
generators. Generators are fueled by something — usually coal, oil, but also by heat generated in
nuclear power plants. There are a few wind farms and geothermal plants as well, but by far we get
electricity mainly by burning something.
In other words, those “zero-emissions” cars are likely coal-burning cars. It's just the coal is
burned somewhere else so it looks clean. It is not. It’s as if the California Greens are covering their
eyes — “If I can’t see it, it’s not happening.” Gasoline is an incredibly efficient way to power a
vehicle; a gallon of gas has a lot of energy in it. But when you take that gas (or another fuel) and first
use it to make electricity, you waste a nice part of that energy, mostly in the form of wasted heat —
at the generator, through the transmission lines, etc.
A gallon of gas may propel your car 25 miles. But the electricity you get from that gallon of gas
won't get you nearly as far — so electric cars burn more fuel than gas-powered ones. If our
electricity came mostly from nukes, or geothermal, or hydro, or solar, or wind, then an electric car
truly would be clean. But for political, technical, and economic reasons, we don’t use much of those
energy sources.
In addition, electric cars’ batteries which are poisonous for a long time will eventually end up in
a landfill(垃圾填埋场). And finally, when cars are the polluters, the pollution is spread across all
the roads. When it’s a power plant, though, all the junk is in one place. Nature is very good at
cleaning up when things are not too concentrated, but it takes a lot longer when all the garbage is in
one spot.

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