单项选择题

Basic research is vital because ______.

A．it leads to results that can be appreciated
B．it provides the basis for scientific progress
C．it is driven out by applied research
D．its results cannot be anticipated

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单项选择题

Less developed countries ______.

A．devote 7% or so of their budget to basic research
B．devote a large portion of their budget to applied research
C．realize that progress depends on basic research
D．encourage their career scientists to experiment

单项选择题

The title below that best expresses the ideas of this passage is ______.

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