单项选择题

A．right
B．demand
C．request
D．claim
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单项选择题
A．amplerB．largerC．broaderD．wider
A．ampler
B．larger
C．broader
D．wider
单项选择题
According to the passage, what will probably happen to the endangered species
A．They will gradually die out.
B．They will be able to survive in the preserves.
C．They will have to migrate to find new homes.
D．They will face extinction without artificial reproduction.
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