【衛斯理】評論
People should not eat a wild mushroom unless they are absolutely certain it is harmless and edible. (A) edible (B) visible (C) audible (D) tangible人們不應該吃野生蘑菇,除非他們絕對確定它是無害和可食用的。(一)食用(B)可見(C)聽得見(D)有形