問題詳情

40. Scientists ____________that smoking reduces life expectancy by around 12 years on average.
(A) recommended
(B) settled
(C) involved
(D) estimated 

參考答案

答案:D
難度:適中0.461538
統計:A(5),B(0),C(2),D(6),E(0)

內容推薦

內容推薦