問題詳情

【題組】54. Which of the following is the best title for this passage?
(A) “No More Tooth Decay”
(B) “A Vaccine for Tooth Decay?”

參考答案

答案:B[無官方正解]
難度:適中0.5
統計:A(1),B(5),C(0),D(0),E(0)