单项选择题

By cutting down trees we _____ the natural home of birds and animals.

A．harm
B．hurt
C．injure
D．damage
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单项选择题
Several experts have been called in to plan _____ for boating, tennis, refreshments and children’s games in the projected town park.
A．equipment
B．instruments
C．implement
D．facilities
单项选择题
Grain production in the world is _____, but still millions go hungry.
A．staggering
B．shrinking
C．soaring
D．suspending
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