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 trace the sea animals being testing site.
D．To determine how sea animals communicate with each other.
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单项选择题
A．He accused them of the theft.B．He raised the rents.C．He refused to prolong their land lease.D．He forced them to abandon their traditions.
A．He accused them of the theft.
B．He raised the rents.
C．He refused to prolong their land lease.
D．He forced them to abandon their traditions.
填空题
The last sentence of the passage indicates that one’s exposure to the media is______.
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