单项选择题

Why does Robert Galvin's ranking fall down on the list

A．Because he does not do the web business.
B．Because his company is affected by the stagnation of the relevant industry.
C．Because he loses much money in the stock market.
D．Because he goes bankrupt.

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热门试题

单项选择题

What can be inferred about the defense mechanisms of the sea cucumber

A．They are very sensitive to surrounding stimuli.
B．They are almost useless.
C．They require group cooperation.
D．They are similar to those of most sea creatures.

单项选择题

According to the passage, why is the shape of sea cucumbers important

A．It helps them to digest their food.
B．It helps them to protect themselves from danger.
C．It makes it easier for them to move through the mud.
D．It makes them attractive to fish.