In other words, the universe is expanding. 换言之,宇宙正在膨胀。 This means that at earlier times objects would have been closer together. 这意味着,在早先星体相互之间更加靠近。 In fact, it seemed that there was a time, about ten or twenty thousand million years ago, when they were all a...
A. Everything in the universe is getting smaller. B. The distance between galaxies is increasing. C. Galaxies are merging together. D. The universe is getting colder. 相关知识点: 试题来源: 解析 B。本题考查宇宙膨胀的含义。宇宙膨胀意味着星系之间的距离在不断增大,A 选项不是变小,C 选项不是...
and space stretches. So, there’s our answer. The universe is expanding unto itself. That said, cosmologists are pushing the limits of mathematical models to speculate on what, if anything, exists beyond
C. the universe is static. D. the universe is not changing. 相关知识点: 试题来源: 解析 A。解析:“The theory that the universe is expanding”中“that the universe is expanding”是同位语从句,解释说明“theory”。B、C、D 选项与“宇宙正在膨胀”这一理论不符。反馈 收藏 ...
Hubble reached the (conclude) that the universe is expanding. 相关知识点: 试题来源: 解析 1.conclusion 考查单词拼写和名词。句意:哈勃得出了宇宙正在膨胀的结论。根据前面the可知,此处需要用到名词形式,conclusion,n,结论,符合题意,故答案为:conclusion。反馈 收藏 ...
Expansion means that the vast majority of the galaxies are rushing away—receding—from one another. That the Universe is expanding is not simply one of its salient features; it is among the most momentous cosmological findings of the 20th century. The discovery and the interpretation of the ...
A. Subject Clause B. Object Clause C. Predicative Clause D. Appositive Clause 相关知识点: 试题来源: 解析 B。本题考查句子结构。“that the universe is expanding”在句中作宾语,是宾语从句,所以答案是 Object Clause。反馈 收藏
aWhy does the universe exist?since the 1920s,scientists have known the universe is expanding,which means it must have started at a definite time in the past. They have even developed theories that give a detailed picture of the evolution of the universe from its very beginning to the ...
根据画线词所在句的前一句“Atissue is a number called the Hubble Constant, acalculation of how fast the universe is expanding."可知争论的焦点是一个被称为“哈勃常数”的数值,它是用来计算宇宙膨胀速度的,因此此处是说一些科学家把哈勃常数称为宇宙学中最重要的数字,由此可知,it指代的就是前面提到的哈勃...
“increasing”意为“不断增加的”,最新研究表明宇宙正在以不断增加的速度膨胀,符合语境。“decreasing”表示“减少的”,与事实不符;“constant”指“恒定的”,不符合宇宙膨胀的实际情况;“unstable”指“不稳定的”,不符合描述膨胀速度的表述。阅读时要注意关键信息“latest research”和“expanding”。