[题目]阅读理解After years of research and testing, the hybrid car was developed and put on the market. It' s an interesting and exciting new improvement in today' s world as we look for better ways to prot 题目和参考答案——青夏教育精英家教网—

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【题目】阅读理解
After years of research and testing, the hybrid car was developed and put on the market. It' s an interesting and exciting new improvement in today' s world as we look for better ways to protect the quality of the air we breathe and conserve our natural resources.
The quality of our air is affected by many different things. But one of the largest sources of air pollution is the burning of fossil fuels such as coal and gasoline which is used to power a car' s engine. The EPA has set national standards to help control the level of harmful pollutants sent off into the air, and the automobile industry has acted by producing a hybrid car that uses less gas and therefore causes less pollution.
A hybrid car is a combination of a regular car that runs on gasoline and an electric car that is battery powered. Some people tend to think that since the hybrid car is partially electric, you have to plug it in to charge it. But that's not how it works. The 144-volt battery pack is actually recharged through the energy that is produced when the car's brakes are used. This is referred to as “regenerative braking”, because it generates electricity.
Although the hybrid car still runs on gasoline most of the time, this helps it use less gas than a regular car. When the driver stops at a traffic light, the engine automatically shuts off to save fuel. Then, as soon as the driver puts the car in gear and touches the gas pedal, the engine starts back up.
Have you ever ridden in a car with someone who ran out of gas? That probably wouldn't happen if you were riding in a hybrid car. It flashes a warning on its computer screen that says, “I am low on gas”. When it completely runs out, the warning reads, “YOU ARE NOW OUT OF GAS!” Then the electric power supply kicks in to let the driver travel a few more miles to a gas station.
（1）Which of the following is true according to the passage?
A.The hybrid car will be put on the market.
B.Hybrid cars run faster than regular cars.
C.When the hybrid car stops at a traffic light, the driver will get a warning.
D.The burning of fossil fuels is one of the largest sources of air pollution.
（2）According to the passage, the word “hybrid” refers to ________.
A.a high-tech discovery
B.energy saving
C.a new invention
D.a combination of two things
（3）“Regenerative breaking” is an important process of the hybrid car because ________.
A.it allows the car to come to a quick stop
B.it gives the driver a smoother ride
C.it produces energy to charge the battery
D.it can control the speed of the car
（4）Which of the following is right about the EPA?
A.They designed hybrid cars.
B.They outlawed (宣布……为不合法) the burning of fossil fuels.
C.They set important guidelines that help control pollution.
D.Their main purpose is to protect endangered plants and animals.
（5）Which of the following is the reason for developing hybrid cars?
A.They use less gas than regular cars.
B.They' re safer to drive than most cars.
C.They're more modern than other cars.
D.They cost less than regular cars.

【答案】
（1）D
（2）D
（3）C
（4）C
（5）A
【解析】本文是一篇说明文，主要介绍了一种已经上市的、更为节能环保的“混合动力汽车”。
（1）细节理解题。根据第二段内容But one of the largest sources of air pollution is the burning of fossil fuels such as coal and gasoline which is used to power a car' s engine.可知，空气污染的最大来源之一是被用来给汽车的发动机提供动力的化石燃料的燃烧，D正确。所以答案是D。
（2）词义猜测题。根据文章第三段第一句话“A hybrid car is a combination of a regular car that runs on gasoline and an electric car that is battery powered.”可知，“hybrid”意为“混合，结合”，所以答案是D。
（3）细节信息题。根据文章第三段最后部分“The 144-volt battery pack is actually recharged(充电) through the energy that is produced when the car's brakes are used. This is referred to as “regenerative braking”, because it generates electricity.”可知，“Regenerative braking”之所以重要是因为它能产生电为汽车供能。所以答案是C。
（4）细节信息题。根据文章第二段第三句“The EPA has set national standards to help control the level of harmful pollutants sent off into the air,”可知，美国环保署已经制定了国家标准，以帮助控制有害污染物排放到空气中的水平，所以答案是C.。
（5）推理判断题。根据文章第四段第一句“Although the hybrid car still runs on gasoline most of the time, this helps it use less gas than a regular car.”可知，混合动力汽车比普通汽车更为省油节能，当然这也是发展研制这种汽车的原因。所以答案是A。

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More than loo genes are related with increased risk of developing schizophrenia（精神分裂症）,bipolar disorder （躁郁症）and alcoholism（酗酒）,confirms a large study published in the recent issue of the British scientific journal Nature.
The world's largest study into the genetic basis of mental illnesses was led by researchers from British universities,including University College London (UCL),Cardiff University and King's College London (KCL).
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A.Researchers are disappointed at curing biological causes.
B.Researchers are worried about the complex biological causes.
C.Researchers have found the method of curing biological causes.
D.Researchers are confident for figuring out the complex biological causes.
（2）According to Paragraph 4,the researchers found.
A.there are 37,000 patients with mental illnesses in the world
B.most of the sites have never before been linked to mental illnesses
C.there is little difference between the patients and the healthy people
D.the cause of mental illnesses has nothing to do with the genetic changes
（3）We can learn from Paragraph 5.
A.the variant of the GRM3 gene is important
B.the number of people with the variant of the GRM3 gene is large
C.the number of people with the variant of the GRM3 gene is small
D.people with the variant of the GRM3 gene aren't likely to suffer schizophrenia
（4）What's the main topic discussed in the text?
A.The importance of gene variants.
B.The research of gene variants.
C.The cause of mental illnesses.
D.Gene variants linked to mental illnesses.

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