has found any life in space yet. 相关知识点: 试题来源: 解析 发现find,在太空中in space,还yet;结合句意"还没有人在太空中发现任何生命"可知,要用现在完成时.故答案为has found,in space yet. No one has found any life in space yet.反馈...
还没有人在太空中发现生命。No one has foundlife in space yet. 相关知识点: 试题来源: 解析 还没有人在太空中发现生命。 根据题干,可知考查:find发现。由句意可知时态是现在完成时,主语是单数,接has+过去分词。故答案为:has found。反馈 收藏
The sentence means that up to now, no one has found any life in space. The sentence should use the present perfect tense and the passive voice. Therefore, the correct answer is has discovered. 1. 分析句子结构: 句子主语是 "no one",谓语动词需要用单数形式。 2. 分析语义: 句子表达的意思是...
解析 in space意为"在太空", space为不可数名词,前不加冠词;in the space中space为可数名词,意为"场所""空地""时间"等,即"在某一场所或在某一时间内",如in the short space of human life(在短暂的人生中);on space无此搭配.故答案为:a结果一 题目 Who has discovered life ___ space?( )A.in...
动词discover意为“发现”,A意为“已经被发现”,B意为“过去发现”,C和D意为“已经发现”,yet意为“还未”,通常与现在完成时have/has done搭配使用,排除B,这里是想说“没有人发现过…”,不需要使用被动语态,排除A,主语是no one,看做第三人称单数主语,所以选用助动词has,故选C。
What is life really like in space? And whatdo astronauts(宇航员) do there?Astronauts living in space have the same hygiene needs as people do on Earth. When they wake up, theywash their hair, brush their teeth and go to the bathroom as well. However, because of microgravity(微重力), ...
1(1分)However, no one ___ any life in space yet. A. . has been discovered B. . has discovered C. . have discovered D. . discovered 2However ,no one ___any life in the space yet.a.has been discovered b .discovered c.has discovered d.have discovered 3However.no oneany life...
百度试题 结果1 题目However, no one ___ any life in space yet. [ ]A.has been discovered B.discovered C.has discovered D.have discovered 相关知识点: 试题来源: 解析 答案:C 反馈 收藏
Other scientists say that space is too big. Stars and other planets are far too numerous for there to be no other life in the universe. For many years, there have been reports of visitors from other planets. People all around the world have claimed to see alien spaceships or even aliens...
【题目】Scientists think that there has been life for _of years. However we haven't found life on other planets __ T he earth is a planet and it around the sun. Seven other planets also go __ the sun. T he sun and its planets are __ the solar system. T he solar system is a...