A good title for this passage is. A number of predictions can be disproved by .

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问题 A good title for this passage is______.
A number of predictions can be disproved by ______.

选项 A、observations
B、experiments
C、theories
D、hypotheses

答案A

解析从自然科学哲学家卡尔.波珀所强调的内容(a good theory is characterized by the fact... be disproved or falsified by observation)可以看出应选A。

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公共英语二级笔试

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