单项选择题

Which of the following sentences about pure science is true

A．It may lead to antiscientific, impure results.
B．It necessarily precedes applied science.
C．It is not always as pure as we suppose.
D．It necessarily results from applied science.

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单项选择题

Which of the following is the best title for this passage

A．On Distinguishing Fact from Fiction
B．Biology and the Scientific Age
C．Hypotheses and Theories
D．The Nature of Science

单项选择题

Which of the following is implied in the passage

A．Pure scientists should not be blamed for ignoring the practical side of their discoveries.
B．Today few people have any notion of the meaning of science.
C．In true sciences, it is not difficult to distinguish fact from fiction.
D．Practical-minded people can understand the meaning and objectives of pure science.