单项选择题

A．The rate of killing has been accelerating.B．The US go……

Why did the African nations welcome an ivory ban

A．The rate of killing has been accelerating.
B．The US government forbids imports of both raw and finished ivory.
C．They realised that the killing of elephants is a serious threat to their tourist business.
D．African people advocated an ivory ban.

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单项选择题Since many of the older, bigger- tusked animals have already been destroyed, what did the poachers do

A．They gave up poaching.
B．They killed more elephants to get the same quantity of ivory.
C．To them, game is over.
D．They realized it was illegal to slaughter elephants.

单项选择题What's the author's attitude

A．Subjective.
B．Neutral.
C．Pessimistic.
D．Activ

单项选择题Which of the following is the best title for the passage

A．African Elephants and the Ivory Trades.
B．A Bid to Save the Elephants.
C．The Poachers.
D．Elephants in Danger.