单词:profile of ground surface
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Text Would you choose to live underground if you could gain many advantages from doing so? Weather would no longer trouble you. Temperature would remain the same all the year round. Artificial lightin
Hoverboards Ignore Gravity Can you imagine riding around the streets of your hometown on a skateboard without wheels? In the late 1980s, film director Robert Zemeckis showed a skateboard floating above the ground in his movie Back To The Future Part
Hi, I'm Carl Azuz. It is Thursday, October 14th. We are very pleased to welcome you to a special edition of CNN Student News. That video clip we showed you at the start of today's show gives you an idea of why today is a special edition. When we tape
April 18, 1906, California's San Andreas Fault snaps, shaking San Francisco for nearly 60 terrifying seconds .When the trembling stops, the disaster is only beginning. Gas lines rupture, setting off massive fires, some 700 people die. Most of the ci
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Voice 1 Welcome to Spotlight. I'm Adam Navis. Voice 2 And I'm Liz Waid. Spotlight uses a special English method of broadcasting. It is easier for people to understand, no matter where in the world they live. Voice 1 On August 5th, 2010, Jose Henrique