单项选择题

A．At a radio station.
B．In a lecture hall.
C．In a biology lab.
D．At the doctor’’s office.
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单项选择题
A．Limiting the amount of fish to be caught.B．Forbidding the killing of wild animals.C．Controlling land area.D．Protecting irrigation water.
A．Limiting the amount of fish to be caught.
B．Forbidding the killing of wild animals.
C．Controlling land area.
D．Protecting irrigation water.
单项选择题
Industry is primarily interested in applied research because it _______.
A．provides better understanding
B．is frowned upon by the Foundation
C．offers immediate profit
D．drives out basic research
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