aggressive, determined, earnest, energetic, enthusiastic, resourceful, anxious, ardent, aspiring, avid, ball of fire, bent upon, climbing... you get it...
Answer:
The reader learns that the speaker is an educated man.
Explanation:
Using the process of elimination, that one makes the most sense.
Answer:
Sentence 3
Explanation:
While all of the other sentences explain how termites can be helpful, sentence 3 is unrelated as all it does is describe the size of the nest.