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  3. In science the meaning of the word "explain" suffers with civilization’s eve

In science the meaning of the word "explain" suffers with civilization’s eve

游客2025-05-07  14
问题     In science the meaning of the word "explain" suffers with civilization’s every step in search of reality. Science cannot really explain electricity, magnetism, and gravitation; their effects can be measured and predicted, but of their nature no more is known to the modern scientist than to Thales who first speculated on the electrification of amber. Most contemporary physicists reject the notion that man can ever discover what these mysterious forces "really" are. Electricity, Bertrand Russell says, "is not a thing, like St. Paul’s Cathedral; it is a way in which things behave. When we have told how things behave when they are electrified, and under what circumstances they are electrified, we have told all there is to tell. " Until recently scientists would have disapproved of such an idea. Aristotle, for example, whose natural science dominated western thought for two thousand years, believed that man could arrive at an understanding of reality by reasoning from self-evident principles. He felt, for example, that it is a self-evident principle that everything in the universe has its proper place, hence one can deduce that objects fall to the ground because that’s where they belong, and smoke goes up because that’s where it belongs. The goal of Aristotelian science was to explain why things happen. Modern science was born when Galileo began trying to explain how things happen and thus originated the method of controlled experiment which now forms the basis of scientific investigation. [br] The expression "speculated on" (Line 4) means______.
选项 A、considered
B、suspected
C、expected
D、engaged in buying and selling
答案 A
解析 词汇题。含有此词汇的句子是Science cannot really explain electricity，magnetism，and gravitation；their effects can be measured and predicted，but of their nature no more is known to the modern scientist than to Thales who first speculated on the electrification of amber。本句的意思是，科学不能真正解释电、磁、重力；它们的效果能被测量和预测，但是它们的本性对现代科学家和第一个对琥珀带电现象进行思考的Thales一样是不可知的。所以正确答案是A选项。
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