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外语
A theory is an organized set of principles that is designed to explain and predict some phenomenon. Good theories also provide s
A theory is an organized set of principles that is designed to explain and predict some phenomenon. Good theories also provide s
admin
2013-11-24
52
问题
A theory is an organized set of principles that is designed to explain and predict some phenomenon. Good theories also provide specific testable predictions, or______, about the relation between two or more variables.
选项
A、hypothesis
B、conception
C、idea
D、meaning
答案
A
解析
在给出的选项中:hypothesis“假设”;conception“概念”;idea“想法”;meaning“意义”。根据常识可知,科学理论的建构常常是以假设为出发点的。所以,正确答案是A。
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0
考博英语
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