問題詳情
13. Due to a mistake made in the lab, the sample was accidentally ______, so the experiment was ruined.
(A) contaminated
(B) defended
(C) sympathized
(D) vented
(A) contaminated
(B) defended
(C) sympathized
(D) vented
參考答案
答案：B[無官方正解]
難度：困難0.294118
統計：A(6),B(6),C(4),D(0),E(0)
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