The word "paradox"(Para. 1) means "______". The author believes that our knowledge of social systems is more secure than that o

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问题 The word "paradox"(Para. 1) means "______".
The author believes that our knowledge of social systems is more secure than that of physical systems because ______.

选项 A、it is not based on personal experience
B、new discoveries are less likely to occur in social sciences
C、it is based on a fairly representative quantity of data
D、the records of social systems are more reliable

答案D

解析 本题为作者观点题。从文中Our image of the astronomical universe is the least secure of all simply because we observe such a fantastically small sample of it and its record-keeping is trivial as compared with the rich records of the social systems及其上下文可以判断,社会科学之所以更可靠些是因为可供研究的records更多,也就更全面。
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