2. 职称英语
  3. What does the passage mainly discuss? [br] The author mentions the trail pheromo

What does the passage mainly discuss? [br] The author mentions the trail pheromo

游客2024-01-05  46
问题 What does the passage mainly discuss? [br] The author mentions the trail pheromone of the leafcutter ant in line 11 to point out
选项 A、how little pheromone is needed to mark a trail
B、the different types of pheromones ants can produce
C、a type of ant that is common in many parts of the world
D、that certain ants can produce up to one milligram of pheromone
答案 A
解析
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