单项选择题

What are the arguments for the private ownership of genome patents

A．The ownership encourages innovation
B．The ownership has long been part of European Way
C．The ownership may mark the discovery of the DNA double helix.
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单项选择题
The chemical products under east-west cooperation must______
A．adjust themselves quickly to the market
B．be invented quickly to the manufacturers
C．keep steady amount to the clients
单项选择题
28（）

A．comparing
B．outlining
C．providing
D．supplying
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