問題詳情

60The passage implies that 3-D’s effects on health ________.
(A) are of great concern to engineers
(B) should be investigated with research
(C) will probably increase in future
(D) could lead to dangerous diseases

參考答案

答案:D[無官方正解]
難度:適中0.466667
統計:A(2),B(4),C(2),D(8),E(0)

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