考研Anything from cosmic rays to radiation to diet may activate a dormant oncogene, but how remains unknown.

从宇宙射线到辐射再到饮食，任何东西都可能激活一种休眠的致癌基因，但如何激活仍然未知。

1994年全国硕士研究生入学统一考试英语试题

考研Environmental factors can never be totally eliminated; as Hayward points out, “We can’t prepare a medicine against cosmic rays.

环境因素永远无法完全消除；正如海沃德所指出的，“我们无法研制出对抗宇宙射线的药物。

1994年全国硕士研究生入学统一考试英语试题

考研They were, by far, the largest and most distant objects that scientists had ever detected: a strip of enormous cosmic clouds some 15 billion light-years from earth.

到目前为止，它们是科学家们探测到的最大、最遥远的物体：一条距离地球约150亿光年的巨大宇宙云带。

1998年全国攻读硕士学位研究生入学考试英语试题

考研What the researchers found was at once both amazing and expected: the US National Aeronautics and Space Administration’s Cosmic Background Explorer satellite -- Cobe -- had discovered landmark evidence that the universe did in fact begin with the primeval explosion that has become known as the Big Bang (the theory that the universe originated in an explosion from a single mass of energy).

研究人员的发现既令人惊讶又令人期待：美国国家航空航天局的宇宙背景探测卫星Cobe发现了具有里程碑意义的证据，证明宇宙实际上始于被称为大爆炸的原始爆炸（宇宙起源于单一质量能量的爆炸的理论）。

1998年全国攻读硕士学位研究生入学考试英语试题

考研Odd though it sounds, cosmic inflation is a scientifically plausible consequence of some respected ideas in elementary particle physics, and many astrophysicists have been convinced for the better part of a decade that it is true.

尽管听起来很奇怪，但宇宙膨胀是基本粒子物理学中一些受人尊敬的想法在科学上合理的结果，许多天体物理学家在十年的大部分时间里都确信这是真的。

1998年全国攻读硕士学位研究生入学考试英语试题