【单选题】Black Holes What is a black hole? Well, it's difficult to answer this question, since the terms we normally use to describe a scientific phenomenon are inadequate here, Astronomers and scientists thin...
A.
The black hole is a region of space.
B.
The black hole sucks in any object that passes by it.
C.
The black hole is visible through an infrared telescope.
【判断题】The phrase “burn a hole in one’s pocket” is usually applied to money, suggesting that the person with the money feels the need to spend it quickly.()