单项选择题

What will be a possible threat to plants in the future（）

A．Storms and floods.
B．Disease and fire.
C．Rapid increase of the animal population.
D．Less space for their growth.

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单项选择题
What can we learn from the lady’s comment（）

A．Most Londoners took Exercise Floodcall calmly.
B．Most Londoners were frightened.
C．Most Londoners became rather confused.
D．Most Londoners complained about the trouble caused by Exercise Floodcall.
单项选择题
According to the speaker, what is the possible danger facing bald eagles（）

A．Pollution of the environment.
B．Over-killing by hunters.
C．Destruction of their natural homes.
D．A new generation of pest killers.
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