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 ...
(1) a planet to live on .根据"Is the earth the only planet suitable for people to live on in thewhole space? Is there intelligent life on other planets, human beings are trying hard to findthe answers to these questions."可知文章说的是寻找一个可以居住的星球2)not only,but also,也是...
The ___that there is life on other planets has always encouraged scientists to explore the outer space.( )A.invitationB. possibilityC.orderD.advice 相关知识点: 试题来源: 解析 invitation邀请;possibility可能性;order订单;advice建议.根据意思:其他行星上有生命的可能性一直鼓励科学家探索外层空间.故选...
B.Choose the best answer(根据短文内容,选择最恰当的答案):(5分)Is there life on other planets?Some scientists think so.They don't expect to find human-like creatures or little green men.If life exists,it's probably very small bacteria.Discoverieshere on Earth have shaped(形成)this thinking....
Or is there intelligent life on other planets? These questions are not new. What is new, however, is the scientific attempt to discover whether or not other planets beyond our own have given birth to advanced civilizations 我们是否是单独人在宇宙? 或有没有智能生物在其他行星? 这些问题不是新的...
Is the earth the only planet suitable for people to live on in the whole space? Is there intelligent life on other planets? For centuries, human beings are trying hard to find the answers to these questions. Recently, China has introduced a new space program in order to search for the ...
Or is there intelligent life on other planets? These questions are not new. What is new, however, is the scientific attempt to ___ whether or not other planets beyond our own have given birth to advanced civilizations. 我们是否是单独人在宇宙? 或有没有智能生物在其他行星? 这些问题不是新的...
Because of the large population, there is less living space for each family. And it is difficult for lots of people to find jobs. At the same time, the large population has caused many other difficulties for the whole nation. For example, it...
There are many other planets like the 7 . As long as there is water and air on them, and as long as it is not too 8 or too hot, there might be life, even human life on them. 9 , up to now, other planets 10 people living on them have not been found....
However, we haven't found life on other planets yet. The earth is a planet and it goes around the sun. And there are seven other planet that also go around the sun. 科学家认为生命已经在地球上存在了数百万年。但是,人类还没有在其他星球上发...