单项选择题

A．To attract more sea animals to the testing site.
B．To drive dangerous sea animals away from the testing site.
C．To help track the sea animals being tested.
D．To determine how sea animals communicate with each other.
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单项选择题
A．The woman gives the vehicle up.B．The woman will buy the vehicle.C．The woman asks for a lower price.D．The woman will talk to the manager.
A．The woman gives the vehicle up.
B．The woman will buy the vehicle.
C．The woman asks for a lower price.
D．The woman will talk to the manager.
填空题
curtain
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