单项选择题

What is Hawking's chief contribution to science according to this passage

A．His quantum theory.
B．His blackhole theory.
C．His application of thermodynamics to blackholes.
D．His prediction that the universe would contract and time would reverse.

<上一题目录下一题>

热门试题

单项选择题

Meera Shekar believed that poor countries should help malnourished children by ______.

A．providing food directly
B．educational programs in health and nutrition
C．improving living conditions
D．improving health care

单项选择题

From the example mentioned in Paragraph 2, what kind of the man is Hawking

A．He is an inflexible man.
B．He is a man who admits his mistakes bravely.
C．He is a man who always makes mistakes.
D．He is a man who is very humorous.