2. 外语
  3. The ______ of such I. Q. tests full of questions on American culture was not questioned at that time.

The ______ of such I. Q. tests full of questions on American culture was not questioned at that time.

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问题 The ______ of such I. Q. tests full of questions on American culture was not questioned at that time.
选项 A、significance
B、validity
C、efficiency
D、justification
答案B
解析 significance重要性；validity有效性，正确性；efficiency效率，功率；justification认为有理，认为正当。题目说的是只对美国文化进行提问的智商测试的有效性在当时并没有受到质疑，所以选B。
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