There was a time when our planet was devoid of life. Nothing swam through its murky, blue-green seas. Nothing grew on its rocky continents nor soared through the reddish skies overhead. This was the prebiotic Earth. Then the first primitive life forms evolved in the planet's oceans. They...
Life is resilient. Thefirst living things on Earthappeared as far back as 4 billion years ago, according to some scientists. At the time, our planet was still being pummeled by huge space rocks. But life persisted anyway. And throughout Earth’s history, it’s seen all manner of cataclys...
l End Life on Earth Looking for the Asteroid That Will End Life on EarthLooking for the Asteroid That Will End Life on EarthByline: COLIN ADAMSONAdamson, ColinEvening Standard
Byline: Fiona MacRae Science CorrespondentDaily Mail (London)
Life on Mars will be better than life on Earth ___many ways.A. on B. in C. at D. for 相关知识点: 试题来源: 解析 B 【解析】 试题分析: 句意:在火星上的生活在很多方面比在地球上的好。根据句意“在很多方面”是in many ways,所以此题选B。 考点: 考查介词的用法 反馈 收藏 ...
Life in 2050What will life on Earth be like in 2050? How different are things going to be? Some science andtechnology experts(专家)offer ther predictions.TransportationTransportation will look very differentin years to come. There will be fying cars, drones(无人驾驶飞机)and self-driving cars....
1【题目】阅读理解All life on the earth depends on the sun.Without the sun all living things will die.The sun is a star. In the sky there arethousands of stars like the sun. They are as large asthe sun and as hot as the sun. At night you can seemany stars, but in the daytime...
This is the scientific name given to a star at the end of its life. When our Sun becomes a red giant, its centre will shrink(收缩). Its outer layers will expand(扩展) as far as Mars.This means Earth will...
whetherlifewillcontinueto(存在,生存)ontheearthdependsonwhethertheproblemcanbesolved. 相关知识点: 试题来源: 解析 答案是exist.本题考查语境中选用恰当的词或短语;exist vi.存在,生存;continue to do sth.继续做某事,故答案是exist. 人类将来是否会在地球生存取决于这个问题能否解决....
words that modify “life” C. adjectives that describe Earth D. adverbs that show degree 相关知识点: 试题来源: 解析 A。“indeed”在这里是插入语,表示强调。B 选项中“indeed”不是修饰“life”的;C 选项中“indeed”不是形容词,不能描述地球;D 选项中“indeed”不是表示程度的副词。反馈 收藏 ...