問題詳情

【題組】22. Originally, one of the purposes of developing super-plants was _____.
(A) to induce some genetic changes
(B) to bear rich fruits
(C) to survive dry weather
(D) to protect soil

參考答案

答案：C
難度：適中0.6
統計：A(4),B(0),C(15),D(3),E(0)