When you're trying to persuade (To convince) someone yes you want to compare and contrast but when you need SUPPORT for AN ARGUMENT you need EVIDENCE.
For "He lived a year in a minute" I think it means that all of a sudden he looks very old, is tired, or maybe time went by really fast? Like I said I am not 100% sure so don't take my word for it. Heck I am not 10% sure, more like I am 5% sure, 20% at the most. Sorry if I am wrong.
"Use an appropriate level of formality."
Questions and disagreements are allowed to happen in effective interactions. However, formality is very important for effectiveness.
Answer: The correct answer is by using words with negative connotations, such as 'brutal'
Explanation: Whenever an author use strong words, he/she somehow claims his/her point of view and purpose to the writing. It's very importante to pay close attention to the connotations of the description words.