Sorry, but it's impossible to answer all your question because of character limit. But I suggest you to search via Internet sites that are specialized on story summaries. You can find what you need on such sources.
Answer:
no
Explanation:
no links to external sites
Belinda called the office because she was running late.
I would say that the pair of lines from the passage that contains a change in intonation is the first one:
But all the time / I'se been a-climbin' on
Because it shows a change in the tone of a poem.
B. Mr.Jones, Cody, Wyoming, Yellowstone National Park