单选题What do you know about “above-average effect” based on the passage?AMost Americans assess themselves as above average.BAmerican doctors overestimated how well they had performed on a test of medical diagnoses.CAmerican gun enthusiasts thought they knew more than they actually did about gun safety.DAll of the above.
单选题
What do you know about “above-average effect” based on the passage?
A
Most Americans assess themselves as above average.
B
American doctors overestimated how well they had performed on a test of medical diagnoses.
C
American gun enthusiasts thought they knew more than they actually did about gun safety.
D
All of the above.
参考解析
解析：
本题可参照文章的第十段。从中可知，大多数美国人认为自己高于平均水平。而接下来的一段作者又举了两个例子，一个是美国的医生，还有一个是枪支爱好者，因此D项是正确答案。
本题可参照文章的第十段。从中可知，大多数美国人认为自己高于平均水平。而接下来的一段作者又举了两个例子，一个是美国的医生，还有一个是枪支爱好者，因此D项是正确答案。
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