填空题

In dual earning marriages both partners are formally employed but only one—usually the male—pursues a career.

【参考答案】

NG

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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

单项选择题

Which of the title below best expresses the ideas of this passage

A．Roentgen's Ignorance of X-rays.
B．The Attractiveness of Applied Research.
C．The Importance of Basic Research.
D．Basic Research vs. Applied Research.

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