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II. Grammar and Vocabulary
Section A
Directions: After reading the passage below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.
Earth 2.0?
NASA has recently found a twin Earth in the Milky Way. Scientists said the planet was the (13) ________ (close) to Earth that has ever been seen.
Kepler 452b, (14) ________ has been named Earth 2.0, is six billion years old. It has a 385-day year and orbits（围绕...转）its star at the same distance as us. It is so (15) ________ Earth that NASA believes it’s possible that life once inhabited the planet.
Kepler 452b is 60 percent larger in diameter（直径）than Earth. Scientists say that the planet receives the same kind of sunshine as we do on Earth. Thus, plants could survive if (16) ________ (take) to the planet.
(17) ________ the planet is 1.5 billion years older than Earth, scientists say it can show a possible future for Earth. "If Kepler 452b is indeed a rocky planet, its location could mean that it is just entering an uncontrollable greenhouse period of its climate history," said Dong Caldwell, a scientists (18) ________ (work) on the Kepler Mission."
According to Caldwell, the increasing energy from its aging sun might be heating the surface. Kepler 452b could be experiencing now (19) ________ Earth will undergo more than a billion years from now, as the Sun ages and grows brighter.
The discovery also gives new hope that alien（外星人的）civilization may exist beyond the Solar System. "We won't be going to this planet but our children's children's children (20) ________ be, "said Jeff Coughlin, another research scientist on the Kepler Mission.
The Kepler space telescope has been looking for signs of new worlds outside the Solar System since May 2009, and so far, more than 4,000 planets (21) ________ (find). But those planets are either too hot or too cold to sustain life.
* Kepler Mission NASA 发现类地行星的太空探索任务
Section A
Directions: After reading the passage below, fill in the blanks to make the passages coherent and grammatically correct. For the blanks with a given word, fill in each blank with the proper form of the given word; for the other blanks, use one word that best fits each blank.
Earth 2.0?
NASA has recently found a twin Earth in the Milky Way. Scientists said the planet was the (13) ________ (close) to Earth that has ever been seen.
Kepler 452b, (14) ________ has been named Earth 2.0, is six billion years old. It has a 385-day year and orbits（围绕...转）its star at the same distance as us. It is so (15) ________ Earth that NASA believes it’s possible that life once inhabited the planet.
Kepler 452b is 60 percent larger in diameter（直径）than Earth. Scientists say that the planet receives the same kind of sunshine as we do on Earth. Thus, plants could survive if (16) ________ (take) to the planet.
(17) ________ the planet is 1.5 billion years older than Earth, scientists say it can show a possible future for Earth. "If Kepler 452b is indeed a rocky planet, its location could mean that it is just entering an uncontrollable greenhouse period of its climate history," said Dong Caldwell, a scientists (18) ________ (work) on the Kepler Mission."
According to Caldwell, the increasing energy from its aging sun might be heating the surface. Kepler 452b could be experiencing now (19) ________ Earth will undergo more than a billion years from now, as the Sun ages and grows brighter.
The discovery also gives new hope that alien（外星人的）civilization may exist beyond the Solar System. "We won't be going to this planet but our children's children's children (20) ________ be, "said Jeff Coughlin, another research scientist on the Kepler Mission.
The Kepler space telescope has been looking for signs of new worlds outside the Solar System since May 2009, and so far, more than 4,000 planets (21) ________ (find). But those planets are either too hot or too cold to sustain life.
* Kepler Mission NASA 发现类地行星的太空探索任务
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