单选题
What the American scientist did was to test ________.
A、
recognition
B、
remembering
C、
the ability of people to learn the names
D、
the ability of people to recognize faces
【正确答案】
B
【答案解析】
[解析] 本文第四句意为:3分钟后,通过4种不同的方法测试记忆力。故本题答案为B。
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