[单项选择]The word science is heard so often in modem times that almost everybody has some notion of its meaning. On the other hand, its definition is difficult for many people. The meaning of the term is confused, but everyone should understand its meaning and objectives. Just to make the explanation as simple as possible, suppose science is defined as classified knowledge (facts).
Even in the true sciences distinguishing fact from fiction is not always easy. For this reason great care should be taken to distinguish between beliefs and truths. There is no danger as long as’ a clear difference is made between temporary and proved explanations. For example, hypotheses and theories are attempts to explain natural phenomena. From these positions the scientist continues to experiment and observe until they are proved or discredited (使不相信). The exact status of any explanation should be clearly labeled to avoid confusion.
The objectives of science are primarily the discovery and the sub
A. In science, it is not difficult to distinguish fact from fiction.
B. Today few people have any notions of the meaning of science.
C. Practical-minded people can understand the meaning and objectives of pure science.
D. Scientists engaged in theoretical research should not be blamed for ignoring the practical side of their discoveries.