1972年2月霍金用弯曲时空量子场论证明了“黑洞有热辐射,黑洞的温度是真温度,黑洞的面积是熵”等内容。
查看答案
霍金辐射是以量子效应理论推测出的一种由黑洞散发出来的热辐射,此理论的提出破坏了重子数守恒定律、轻子数守恒定律以及信息守恒定律。
A. 对
B. 错
Complete each sentence with a “verb + with” construction in the box below.Make changes where necessary. Refer to a dictionary if needed.quiver withpale withpack withendow withassociate withcompromise withgossip withcombine withcommunicate withconsist withHer son’s luggage was not only ____________ hand-made clothes but also her profound maternal love.
English-to-Chinese Translation1.Social shopping takes off: Over the last year, Twitter, Facebook, and Instagram all unveiled or upgraded in-line buy buttons, which allow users to purchase clothes, crafts, gadgets and more without ever leaving their feeds. In many respects, this development is long overdue.
2.So when you come to the end of the innovations that business and government are willing to invest in, you still find a vast, unexplored space of innovation where the returns can be fantastic. This space is a fertile area for what I call catalytic philanthropy.