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2021托福听力练习：陨石

2021-03-03 18:10:44来源：网络

　　如何提高托福听力成绩呢?新东方在线托福频道整理了《2021托福听力练习：陨石》，希望对大家有所帮助。

　　托福英语听力练习：陨石

　　练习题目：A Visitor From Space1. What news event is being reported?

　　A. an alien spacecraft landing

　　B. the impact of a meteorite

　　C. a volcanic eruption2. This event occurred about _______ kilometers south of Barrow, Alaska.

　　A. 12

　　B. 20

　　C. 223. At the time of the incident, some witnesses reported ____________.

　　A. seeing a falling round object

　　B. hearing a train-like sound

　　C. observing a bright light4. A similar event 65 million years ago led to the ___________.

　　A. extinction of the dinosaurs

　　B. evolution of the human race

　　C. development of plant life5. Astronomers have focused their work on ____________.

　　A. discovering new life in space

　　B. plotting the courses of asteroids

　　C. developing radar telescopes

　　答案：1. the impact of a meteorite

　　2. 20

　　3. observing a bright light

　　4. extinction of the dinosaurs

　　5. plotting the courses of asteroids

　　TOEFL托福英语英语听力原文：Hello. This is Greg Rice reporting for TBC News in blizzard conditions in the freezing state of Alaska. I've just arrived here in Barrow, Alaska, to bring you live coverage of what appears to be the results of a huge meteorite impact, perhaps the largest in recent history, that occurred just twelve hours ago. The exact location of the impact is unknown, but estimates put it about 20 kilometers south of Barrow based on shock waves felt throughout the region.Some witnesses say they saw a bright light streaking through the sky, accompanied by a roaring boom, moments before the impact. It's unknown whether there are any casualties, but it is unlikely considering this sparsely populated area.Such impacts were commonplace during the formation of our solar system, and many believe that a meteorite 10 kilometers in diameter crashed into Earth 65 million years ago which led to the mass extinction of many animal species including the dinosaurs. It is often difficult to calculate the number of such large impacts on earth because erosion and vegetation make it difficult to spot them.In recent years, astronomers have focused more of their attention on the paths of many uncharted space rocks or asteroids floating out there in space in the hope that we might be able determine the threat they pose on mankind.We'll keep you up-to-date on any developments here. This is Greg Rice reporting from Alaska.

　　短语学习

　　TOEFL单词短语学习：blizzard n. 暴风雪，大风雪;大打击 (noun): a severe snowstorm with a lot of wind

　　- We couldn't reach our family's house because of the blizzard.casualties n. 伤亡;人员伤亡(casualty的复数) (noun): people who are injured or killed in military action or accidents

　　- There were many casualties to due intense bombing in that region.erosion n. 侵蚀，腐蚀 (noun): the process of wearing something down due to wind and rain

　　- Erosion of the soil can become a real environmental problem.vegetation n. 植被;植物，草木;呆板单调的生活 (noun): plants in general

　　- Having vegetation in some areas can slow down the process of erosion.

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