单项选择题

Less developed countries ______.

A．devote a large portion of their budget to applied research
B．realize that progress depends on basic research
C．encourage their career scientists to experiment
D．devote less than 70% of their scientific budget to basic research
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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
单项选择题
What is the main idea of the passage
A．Employment became widespread in the 17th and 18th centuries.
B．Unemployment will remain a major problem for industrialized nations.
C．The industrial age may now be coming to an end.
D．Some efforts and resources should be devoted to helping more people cope with the problem of unemployment.
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