单项选择题

Foxes were introduced into Tasmania probably because ______.

A．scale people took them there by chance
B．some people took them there for money
C．some people wanted to have a fox race
D．some people intended to hunt new animals

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热门试题

单项选择题

Which of the following statements about snakehead fish is NOT true according to the passage

A．It has a strong life force.
B．It can threaten some freshwater species.
C．Some people make a living by breeding it.
D．It has been found in a pond of Maryland.

单项选择题

According to the passage, during the past twenty years, the kakapo ______.

A．was almost extinct
B．was totally less than 24
C．had reached 24
D．bred powerlessly