大学英语六级考试拓展阅读练习(20)_大学英语阅读

　　1.George Bush redirected NASA away from scientific research because_____

　　[A] he thought scientific research is useless in the long term.

　　[B] he thought launching people into space was not the first priority.

　　[C] he thought NASA should manage its own business.

　　[D] he thought research was not so practical.

　　2.Which one of the following statements is TURE of the radio telescope?

　　[A] The radio telescope could look back at the structures of galaxies and stars when they were firstly formed.

　　[B] The device would be interfering with shorter-wavelength radio waves used for communication on Earth.

　　[C] The device could protect long wavelength from being absorbed by the outermost layers of the planets atmosphere.

　　[D] The device could have unique functions mainly because of the position it would be adjusted.

　　3.The radio telescope might also be useful in searching for extraterrestrial beings in that_____

　　[A] it could let the astrophysicists examine all the planets in unprecedented detail.

　　[B] it could find out the magnetic field which could protect beings from being attacked by space particles.

　　[C] it could detect any star and exoplanet surrounding the Earth.

　　[D] it could search out the promising sign for finding extraterrestrial life.

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