問題詳情
【題組】45. According to the passage, the meaning of a message communicated through apheromone may vary when the
(A) chemical structure of the pheromone is changed
(B) pheromone is excreted while other pheromones are also being excreted
(C) exocrine glands do not produce the pheromone
(D) pheromone is released near certain specific organisms
參考答案
答案：B
難度：非常困難0
統計：A(0),B(0),C(0),D(0),E(0)