問題詳情

14. A pesticide is a ____________ that kills harmful organisms and is used to control pests, e.g.insects, weeds or micro-organisms.
(A) chemical
(B) particle
(C) fabric
(D) vitamin

參考答案

答案：A
難度：適中0.694444
統計：A(50),B(8),C(6),D(7),E(0)