单项选择题

A．In a park.
B．At a garage.
C．At a gas station.
D．In an emergency room.
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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.
单项选择题
A．They detect nerve impulses transmitted to a grasshopper’s legs.B．They sense how far a grasshopper has jumped.C．They detect changes in air pressure.D．They help a grasshopper find food.
A．They detect nerve impulses transmitted to a grasshopper’s legs.
B．They sense how far a grasshopper has jumped.
C．They detect changes in air pressure.
D．They help a grasshopper find food.
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