問題詳情
【題組】49. What does the passage say about trees?
(A) Trees make bad gases for us to breathe.
(B) Trees are only needed by humans.
(C) Trees are not used to make chopsticks.
(D) Trees make oxygen for us to breathe.
參考答案
答案：D
難度：簡單0.75
統計：A(0),B(1),C(1),D(6),E(0)