問題詳情

32. Scientists ___________ on the origin of global warming. They say that the greenhouse gas may not be theonly cause.
(A)compliment
(B)negotiate
(C) plagiarize
(D)speculate

參考答案

答案:D
難度:適中0.450704
統計:A(13),B(12),C(7),D(32),E(0)

用户評論

Jerryboy】評論

compliment 讚美的話;恭維;敬意plagiarize  抄襲;剽竊speculate  思索;沉思;推測