单项选择题

It can be inferred from the passage that the polar bear population of Hudson Bay ________.

A．is one of several polar bear populations
B．is unfriendly toward humans
C．consumes food voraciously (贪婪地) during the whole year
D．is an endangered species

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热门试题

单项选择题

With what aspect of bears' lives is the passage mainly concerned

A．Their evolution.
B．Their hunting skills.
C．Their temperament.
D．Their seasonal movements.

单项选择题

Captain Kangaroo can't offer ________ to a child.

A．entertainment
B．companionship
C．love and care
D．education