問題詳情

【題組】74. According to Jae Kwon, his nuclear battery _______.
(A)uses a solid semiconductor
(B)will soon replace the present ones.
(C)could be extremely thin
(D)has passed the final test.

參考答案

答案:C
難度:適中0.5
統計:A(0),B(0),C(0),D(0),E(0)