There may be other life forms in the universe because over 50 extrasolar planets were discovered in 2001. A. Y B. N C. NG 相关知识点: 试题来源: 解析 B 正确答案:B解析:由题干关键词50 extrasolar planets可将答案定位至第一段第四句。该句的意思是,天文学家发现了很多围绕除太阳以外的恒星...
adam webb
Are there other forms of life in the universe"? The scientific search for extraterrestrial (ET) life forms has been bolstered by two recent discoveries. First, the discovery of life forms in exotic environments on Earth indicates that life is very hearty and can adapt to the strangest and mo...
However, this is changing.By 2025, we could make contact with other life forms inour universe and we might help each other. "()6. Seth Shostak and Alexandra Barnet areA. astronomersB. farmersC. singersD. drivers)7. What is the best title for Paragraph 2?A. The Age and Size of the...
Within the next 20 years, we could make contact with other life forms in our universe and we might help each other. (1) What kinds of planets are most likely to have intelligent life? A.Earth-size planets in our solar system. B.Earth-size planets in other solar systems. C.Larger ...
A. Other life forms exist in the universe.B. 0ther life forms may be more intelligent than human beings.C. We should try to contact other 1ife forms from other planets.D. Other life forms may exist in more than one part of the universe....
By 2025, we could make contact with other life forms in our universe and wemight help each other.根据短文内容回答下列问题。1. How many galaxies are there in the universe? (No more than 6 words)2. Which galaxy is the Earth in? (No more than 6 words)3. What allows scientists to ...
阅读理解Is there intelligent(有智力的) life on other planets? For years, scientists said "no" or "we don't know". But today this is changing. Seth Shostak and Alexandra Barnett are astronomers(天文学家). They believe intelligent life exists(存在) somewhere in the universe. They also think...
By 2025, we could make contact with other life forms in our universe and we might help each other. " Seth Shostak and Alexandra Barnett are. A. astronomers B. farmers C. singers D. driversWhat is the best title for Paragraph 2? E. The Age and Size of Earth F. Our Galaxy: The ...
In 274 pages Sagan deals with everything from the formation of the Earth to the puzzling possibilities of contact with extra-terrestrial life. This is the moment in history when man’s stepping into the universe has suddenly become conceivable. To Sagan this is more exciting and important than...