牛津译林版八年级下英语专项练习：阅读（含答案）

阅读 第一篇 Flying is a fast way to travel. But it is a big headache for some people. They can’t help worrying about things like, “Is turbulence (颠簸) a bad thing?” or, “Is it dangerous if we don’t change our mobile phones to flight mode (飞行模式)?” British newspaper Daily Mail spoke to some experts to answer these questions. They also tell us other interesting things about flying. Is turbulence dangerous? It’s scary and uncomfortable. But it is not something you really need to worry about. Turbulence is caused when two groups of air hit one another at different speeds. Wind, thunderstorms (暴风雨) and being close to mountains can be reasons for this. You may feel like turbulence is dangerous, but it won’t crash (坠毁) your plane. “Even in extremely rough air (扰动气流), the wings (机翼) are not going to break off,” explained Patrick Smith, an airline pilot, who is also an air travel blogger and author of AskThePilot.com. Why are plane windows round? Round windows are for passenger safety. As the airplane