单项选择题


Questions 27—30

A． $10.
B． $15.
C． $20.
D． $25.
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问答题
根据联合国环境规划署最近的一次报告，如果汽车数量保持现在的增长速度，到2025年，汽车总数将超过10亿辆。现在，机动车每年排放9亿公吨的二氧化碳，约占二氧化碳总排放量的15%。更多的车辆将意味着更严重的全球变暖。同样，到2025年，世界三分之二的人口将在城市居住，因此交通拥挤和环境污染问题将日益突出，影响大多数人的生活。[听力原文]According to a recent report by the UNEP, if car numbers keep increasing at the present rate, there will be more than a billion on the road by 2025. Today, motor vehicles put out 900 million tones of carbon dioxide a year--about 15 percent of our total output. More vehicles will mean more global warming. Also by 2025, two-thirds of the world’s people will live in cities, so traffic jams and pollution will loom large in most people’s lives.
单项选择题
A． The pianist was whispering to the audience impolitely while playing.B． The noise didn’t bother the pianist.C． The pianist disturbed people with his impolite playing.D． The performance was impolite to some audience.
A． The pianist was whispering to the audience impolitely while playing.
B． The noise didn’t bother the pianist.
C． The pianist disturbed people with his impolite playing.
D． The performance was impolite to some audience.
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