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最新6年高考4年模拟分类汇编-阅读理解[科普知识类]
1. Why do airplanes take longer to fly west than east?
It can take five hours to go west-east from New York(NY) to London bur seven hours to travel east-west from London to NY. The reason for the difference is an atmospheric phenomenon known as the jet(喷射) stream.
1. Why do airplanes take longer to fly west than east?
It can take five hours to go west-east from New York(NY) to London bur seven hours to travel east-west from London to NY. The reason for the difference is an atmospheric phenomenon known as the jet(喷射) stream.
