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2019辽宁人民银行招聘笔试模拟题20

2018-08-06 09:25:34   中公金融人网   来源:
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Passage 3

Electric cars are dirty. In fact, not only are they dirty, they might even be more dirty than their gasoline-powered cousins.

People in California love to talk about “zero-emissions(排放)vehicles,” but people in California seem to be clueless about where electricity comes from. Power plants mostly use fire to make it. Aside from the few folks who have their roofs covered with solar cells, we get our electricity from generators(发电机). 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(地热的)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 because 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 unbelievably 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)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.

31. What’s the main idea of the passages?

A. Electric cars aren’t actually clean.

B. Electric cars are zero-emissions vehicles.

C. Zero-emissions vehicles are popular.

D. Gasoline-powered cars are more efficient.

32. Which of the following words can replace “be clueless about” in Paragraph 2?

A. Be familiar with B. Be curious about

C. Fail to understand D. Show their interest in

33. The electricity we get from a gallon of gas may make our car run ______.

A. at least 25 miles B. more than 25 miles

C. as far as 25 miles D. less than 25 miles

34. In the author’s opinion, compared with cars using gas, electric cars are more ______.

A. environmentally-friendly B. expensive

C. efficient D. harmful

35. It can be inferred from the passage that ______.

A. electric cars’ batteries are poisonous for a long time

B. now electric cars are used more than their gasoline-powered cousins

C. zero-emissions vehicles should be chosen to protect our environment

D. electric cars are not clean in that we get electricity mainly by burning something

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