The discovery of cosmic microwave background radiation is important evidence for the ___. A. Big Bang theory B. Steady State theory C. Plasma cosmology D. Cyclic model 相关知识点: 试题来源: 解析 A。解析:本题考查科学理论知识。宇宙微波背景辐射的发现是大爆炸理论(Big Bang theory)的重要证据。
The discovery of X-ray would eventually lead to the development of X-ray telescopes to detect radiation ___ (deliver) in deep space by objects. And these telescopes would, in turn, throw light on black holes and the origin, of the universe.相关知识...
The discovery of the cosmic microwave background radiation provided strong evidence for the ___. A. theory of relativity B. Big Bang theory C. steady state theory D. black hole theory 相关知识点: 试题来源: 解析 B。中文解析:宇宙微波背景辐射的发现为大爆炸理论提供了有力证据,所以选 B。
1 Since the discovery of X rays in 1895, ionising radiation has been a part of our life and consciousness. From the very beginning, radiation has been shrouded in myths-of exaggerated expectations as well as excessive fear'. Radiation has been characterised partly as a life force, partly as...
The recently announced discovery of the first known planet orbiting a pulsar (the ultradense, pulsating remnant off the supernova explosion of a star) turned out to be based on faulty data. Had this discovery been confirmed, theorists would have had difficulty accounting for the existence of suc...
Since NASA (美国国家航空航天局)announced the discovery of TRAPPIST-1, a dwarf star, and its system in February, astronomers and scientists have considered it as among the likeliest systems for finding life outside our solar system. Scientists thought the TRAPPIST-1 system was at least 500 mill...
If we learn to understand the atmosphere of Venus and the message it contains, then we can find out if we got it right by going there and checking.And we ll do that at the end of the decade. But this will not be the last time that we have the discovery of a biosignature on a ...
解析:原文中出现stock, contribute和discovery,答案应该是discovery的宾语,同时又和artificial radioactivity并列,故答案确定为neutron Question 13 正确答案:leukaemia|leukemia 解析: 题干关键词:exposed(暴露), radiation(辐射), as a result(结果是), suffered from(遭受) ...
The discovery of Xray would eventually lead to the development of Xray telescopes to detect radiation (传递) in deep space by objects. 相关知识点: 试题来源: 解析 delivered 【详解】 考查非谓语动词。句意:x射线的发现最终导致了x射线望远镜的发展,用于探测深空物体发出的辐射。传递为动词“...
(2) Cave exploration ,or potholing ,as it has come to be known,is a relatively new sport. Perhaps it is the desire for solitude or the chance of making an unexpected discovery that lures men down to the depths of the earth. It is impossible to give a satisfactory explanation for a po...