单项选择题

From this passage, it can be known that Hawking ______.

A．is unhappy because of his illness
B．is always complaining about his illness
C．is fearless in face of his illness
D．is interested in science because of his illness

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热门试题

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.

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