問題詳情

41. The microchip mentioned in the article _____.
(A) must be swiped over a sensor machine to make it work.
(B) is about the size of a cell phone.
(C) is as valid as a subway card.
(D) is inserted into the spinal cord to hinder spinal nerves.

參考答案

答案:[無官方正解]
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)

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