問題詳情
6. Because unvented gas fireplaces exhaust directly into the room rather than outside, they also emit pollutants which may _____ some health risks.
(A) run
(B)vent
(C) entail
(D) include
參考答案
答案：C
難度：適中0.55
統計：A(2),B(1),C(11),D(2),E(0)
用户評論
【劉家榕】評論
unvented (adj.) 密閉式；exhaust (v.) 排放廢氣(C) entail (v.) 招致