填空题

Environmentalists hold the view that growing GM crops affect ______.

【参考答案】

farmland biodiversity
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单项选择题
A．It’s reasonably priced.B．It’s a bargain.C．It’s too expensive.D．It’s still expensive to her.
A．It’s reasonably priced.
B．It’s a bargain.
C．It’s too expensive.
D．It’s still expensive to her.
填空题
The type of technology protection system, which means the GM crops that fails to produce fertile seeds, is called ______.
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