問題詳情

47. Who first tried to put the “weak glue” into real use?
(A) Spencer Silver
(B) Art Fry
(C) The 3M CEO
(D) A 3M worker

參考答案

答案:B
難度:適中0.692308
統計:A(22),B(63),C(1),D(5),E(0)

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