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.

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热门试题

单项选择题

According to the passage, black holes ______.

A．include protons
B．oppose the quantum theory
C．stop anything from escaping
D．give off radiation

单项选择题

Which of the following is a cause leading to Hawking's divorce

A．He fell in love with one of his nurses.
B．His illness became worse.
C．He does not believe in God.
D．His temper is bad.