問題詳情

20. Future applications of nanotechnology could include tiny molecular robots that _______.
(A) is swimming through your bloodstream and is fighting diseases
(B) swimming through your bloodstream and fighting diseases
(C) swim through your bloodstream and fight diseases
(D) your bloodstream were swum and disease were fought

參考答案

答案:C
難度:適中0.583333
統計:A(0),B(5),C(14),D(3),E(0)

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