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C主题:人与社会·新"绿色工厂" 体裁:说明文 词数:160 难度:★★★☆ 建议用时:7 mins
The Power of Green Energy
owadays, more and more people are interested in green energy. Scientists have
done a new study on it. Green energy, such as solar and wind power, is
becoming popular around the world.
The study shows that in many countries, green energy use is growing fast. For
example, in some sunny places, people put solar panels on their houses. These panels can
turn sunlight into electricity. In windy areas, big wind turbines are built. They catch the
wind to make power. Using green energy can reduce air pollution. It helps make the air
cleaner and our planet healthier.
However, there are still some problems. Sometimes, the sun doesn't shine, and the
wind doesn't blow. Then, there won't be enough power. Scientists are trying to find ways
to store the energy for later use.
This study tells us that although green energy has some challenges, it's the key to a
cleaner future. We should use it more.
(C)17. What does the underlined word "They" refer to?
A. Scientists.
B. People.
C. Wind turbines.
D. Solar panels.
(D)18. What is the main idea of the third paragraph?
A. Green energy use is growing fast.
B. Green energy can reduce air pollution.
C. Scientists are trying to store energy.
D. Green energy has some problems and scientists are working on solutions.
(B)19. Which is the best title for the passage?
A. The Problems of Energy
B. The Bright Future of Green Energy
C. The Popularity of Solar Energy
D. The Study on Traditional Energy

答案： 17.C 【解析】根据前文“big wind turbines are built”可知they指代风力涡轮机。
18.D 【解析】第三段先指出绿色能源存在问题，后说明科学家在努力解决。
19.B 【解析】文章主要讲绿色能源的应用、问题及未来，B选项最适合。