Answer: The quote given above is quite relevant to the events of the story. The beginning of the story proved that Tricki was lifeless because he did not struggle to digest his food. In the later part of the lesson, Dr Herriot authenticated that real strength comes only after struggle and hard work. He helped the dog to regain his strength by involving him in regular exercise and food regime. Food without exercise can lead to disease and discomfort for everyone
What entirely are you asking ? this question seems incomplete .
I believe it is "such as" because that fits an example best, don't you think?
A student might be proud that he or she has memorized a famous speech because then they know that they can tell anybody the speech and they can present the speech to the teacher and they can get an A for showing the teacher that he or she can memorize a famous speech.
The authors purpose is to state his or her opinion:)
