单项选择题

Argument among the speakers at the conference is bordering on violence.()

A. is close to
B. is beside
C. is next to
D. is alongside

<上一题目录下一题>

热门试题

单项选择题

Which of the following does NOT fit the definition of the black hole()

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.
D. The black hole has no matter.

单项选择题

Why does the author put neutron star in quotation marks()

A. It is a special term of astronomy.
B. It is an invented term.
C. He is quoting an authority.
D. He is using the term ironically.