单项选择题

A．The number of impulses transmitted to the grasshopper’s legs.
B．The age of the grasshopper.
C．The number of sensory organs the grasshopper has.
D．The size of the nerves that control walking.
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单项选择题
A．In a park.B．At a garage.C．At a gas station.D．In an emergency room.
A．In a park.
B．At a garage.
C．At a gas station.
D．In an emergency room.
单项选择题
A．They shouldn’t change their plan.B．They should change their plan.C．He doesn’t believe the weather forecast.D．He thinks the tennis game won’t last.
A．They shouldn’t change their plan.
B．They should change their plan.
C．He doesn’t believe the weather forecast.
D．He thinks the tennis game won’t last.
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