单项选择题

How were the police able to prove that Joe had robbed the bank

A．The raid had been photographed by hidden cameras.
B．Some watchman had seen the raid.
C．The bank teller proved that Joe was the robber.
D．Some monitors had been installed nearby.

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热门试题

单项选择题

How can sharks find their quarries

A．By good sense of water waves made by quarries.
B．By good sense of smell and electrical magnetic power.
C．By good sense of light.
D．By good sense of blood.

单项选择题

In which point some sharks are similar with humans

A．Bone structure.
B．Smell ability.
C．Birth mode.
D．Recovery ability against disease.