問題詳情

【題組】48.When plants use sunlight to make food, it is           .     
(A) because they have started to turn brown.   
(B) because their atoms have been destroyed.     
(C) an example of a natural chemical reaction. 
(D) very like the way a car engine burns oil.

參考答案

答案：A
難度：困難0.307692
統計：A(4),B(0),C(6),D(3),E(0)