問題詳情
【題組】44. The passage suggests that the speed at which communication throughpheromones occurs is dependent on how quickly they
(A) lose their effectiveness
(B) evaporate in the air
(C) travel through the air
(D) are produced by the body
參考答案
答案:C
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)