单项选择题

A．The disadvantages of working in an office.
B．How using a computer can affect one’s eyes.
C．Why Tom needs to get glasses.
D．Research Tom has done for his chemistry paper.
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单项选择题
A．Ask the stewardess for change.B．Move to another part of the plane.C．Sit where there is a breeze.D．Extinguish his cigarette.
A．Ask the stewardess for change.
B．Move to another part of the plane.
C．Sit where there is a breeze.
D．Extinguish his cigarette.
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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