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The news is mainly about ______. [originaltext] Scientists say that nighttime
The news is mainly about ______. [originaltext] Scientists say that nighttime
游客
2024-12-27
15
管理
问题
The news is mainly about ______.
Scientists say that nighttime flights are much more damaging to the environment than daytime air travel. In new research published in the journal Nature, they say vapor trails produced by aircrafts do far more damage during the night. The reason is condensation water vapour emitted from the hot engines of aircraft condensing into trailing clouds.
The scientists say that in daylight the trails act like mini clouds, they are good for the environment because their white color deflects the Sun’s rays and reduces temperatures. At night when the sun goes down this positive benefit is lost. The impact of night trail is surprisingly large. In the United Kingdom only a quarter of flights take place in darkness, but this-accounts for up to 80% of greenhouse effect from condensation
选项
A、the disadvantages and advantages of nighttime flights
B、the environmental benefit caused by daytime flights
C、the environmental damage caused by nighttime flights
D、the impact of sunlight in the formation of vapor trails of aircrafts
答案
C
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/3886041.html
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