2. 考研
  3. But the success of science, both its intellectual excitement and its practical application, depends upon the self - correcting c

But the success of science, both its intellectual excitement and its practical application, depends upon the self - correcting c

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问题     But the success of science, both its intellectual excitement and its practical application, depends upon the self - correcting character of science. There must be a way of testing any valid idea. It must be possible to reproduce any valid experiment. The character or beliefs of scientists are irrelevant; all that matters is whether the evidence supports their contention. Arguments from authority simply do not count; too many authorities have been mistaken too often. I would like to see these very effective scientific modes of thought communicated by the schools and media; and it would certainly be astonishment and delight to see them introduced into politics. Scientists have been known to change their minds completely and publicly when presented with new evidence or new arguments. I cannot recall the last time a politician displayed a similar openness and willingness to change.
Which of the following is closest in meaning to the word "valid" (Line 2 -3) ?
选项 A、unreliable
B、mistaken
C、irrelevant
D、correct
答案D
解析 这是一道有关语意的题型，即要求考生根据上下文推测单词或短语的意思。文章在第二和第三句“There must be a way of testing any valid idea．It must be possible to reproduce any valid experiment．”中出现了valid这个词。根据文义，可推出valid表示“正确的”，这两句的意思是：一定会有证明正确观点的方法，复制任何正确试验都是可能的。A项为“不可靠的”，B项为“错误的”，C项为“无关的”，都不符合文义，故正确答案是D。
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