单项选择题

The description of Mr. Rustam Mamedov is ______.

A．an example of a typical long life among these people
B．an example of an unusual long life among these people
C．an explanation of why he is still healthy
D．an explanation of what way of life we should take

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热门试题

单项选择题

Which of the following best states the main idea of the passage

A．Cold-blooded animals can develop fevers.
B．There are benefits to developing fevers.
C．Fevers inhibit bacterial growth.
D．Lizards can develop fevers.

单项选择题

The passage implies that ______.

A．the fever process is widespread because moderate fevers have benefits
B．the reduction of fevers can inhibit bacterial growth
C．man can use sun lamp to raise lizards' temperature
D．crayfish injected with bacteria have a purpose for moving to hot areas