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Unit 2 Out of this world
Unit 2 Out of this world
英语 选择性必修 第三册 Y
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Unit 2 Out of this world
英语 选择性必修 第三册 Y
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The International Space Station (ISS) will be a little “city in space” orbiting①250 miles above the earth.About the size of two football fields,the space station will be a place where people from around the world can live and study in space over long periods of time.The ISS is an extremely expensive project,but it will someday serve as②a steppingstone for future space exploration③ .
Unit 2 Out of this world
英语 选择性必修 第三册 Y
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Sixteen countries from around the world are working together④on the International Space Station.These international partners are the United States,Russia,Canada,Japan,Brazil and European Space Agency (Belgium,Britain,Denmark,France,Germany,Italy,the Netherlands,Norway,Spain,Sweden,and Switzerland).
Unit 2 Out of this world
英语 选择性必修 第三册 Y
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Risking the dangers of space,the sixteen countries are spending billions of⑤dollars and many years building the space station because they believe they can benefit a lot from⑥ it.Perhaps the most important benefit is that the space station allows humans to live and study for long periods in microgravity (微重力),or a “weightless” environment.
Unit 2 Out of this world
英语 选择性必修 第三册 Y
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Unit 2 Out of this world
英语 选择性必修 第三册 Y
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But studying in microgravity is not the only reason for the space station.For the first time,we will be able to observe the earth from different angles (角度) over long periods of time.The space station will allow us to watch changes in the environment to better understand our own planet.The space station will also give us an opportunity⑨ to study the environment of space.
Unit 2 Out of this world
英语 选择性必修 第三册 Y
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[词海拾贝]
Unit 2 Out of this world
英语 选择性必修 第三册 Y
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谢 谢
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