单选题
Simply switching Chinese drivers from burning oil to using electricity
1
is created by burning coal—responsible
2
more than 70 percent of such power presently in the Middle Kingdom—may not
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greenhouse gas emissions enough. "Electric vehicles only make
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if you are also committed
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decarbonizing electricity," Sperling notes.
And globally, it will take a long time for electric vehicles to displace the internal combustion engine. "It would
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until 2029 to swap to all electric vehicles
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all new vehicle sales from today forward
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electric vehicles," notes chemical engineer David Rogers. The Toyota Prius and ears like it—hybrid electric vehicles,
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rely on conventional motors in conjunction
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electric ones—grew to only as
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as 5 percent of new vehicle sales in the last 10 years. "This thing is going to take a long time."
It may be buses and taxis
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lead the change
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their circumscribed routes and return to fixed locations. "Buses are big
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to hold batteries," Wang notes, and they are
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purchased by big-pockets governments
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ordinary citizens.
One thing seems clear: most driving will be done with internal combustion engines, at
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for the near future, whether in China, the U. S. or elsewhere. "Under current conditions, only 1
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2 percent of Chinese consumers
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willing to buy hybrid vehicles," Wang says. "Consumers are not yet
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to be willing to pay for the environment out of their own pocket."
【正确答案】
B
【答案解析】此题考查结构衔接。本句子较长，主语为switching Chinese drivers，谓语动词为。may not ______，所以句子中又出现谓语动词is时应考虑是从句。又由于在名词electricity后修饰此名词，故应该是定语从句。that引导一个限定性定语从句，在从句中作主语，what修饰名词性从句，与原文不符合。
【正确答案】
D
【答案解析】此题考查惯用衔接。根据原文的形容词responsible可以得知固定搭配为be responsible for sth.对某事负责。译为：目前，在英国中部，超过70%的电力是由烧煤来供应的。