Astronomers also think that perhaps a small (6) _____ of water vapor could be found on Mars.

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• Trắc nghiệm Unit 15 Tiếng Anh 11 phần Reading - Space Conquest

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CÂU HỎI KHÁC

• Many people have (1) _____ about this question.
• Some writers of science-fiction think of people from Mars (2) _____ little green creatures. Others imagine 'Martians' as monsters with many eyes.
• The first (3) _____ of this is that Mars has seasons, just like Earth.
• In other words, Earth's seasons, such as spring or summer, occur on Mars too. Because these seasons exist, it may be possible for (4) _____ and other higher
• (5) _____ forms to be found on Mars.
• Astronomers also think that perhaps a small (6) _____ of water vapor could be found on Mars.
• This finding (7) _____ astronomers to believe that since water exists on Mars, life forms could exist as well.
•   However, there are (8) _____ who feel that life on mars is not possible.
• This is because there is little or no (9) _____ of oxygen on the planet.
• (10) _____, people remain fascinated by the idea that there could one day be life on Mars.