单项选择题

32（）

A．searching
B．sending
C．studying
D．hoping

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单项选择题
According to Dr. Collins, how to prevent those patents
A．To stop clinical lab from doing diagnostic testing
B．To order government labs to make every new gene discovery public knowledge
C．To pass laws prohibiting private ownership of genome patents.
单项选择题
31（）

A．friends
B．partners
C．competitors
D．leaders
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