Which research question uld be most appropriate for a four-to five page research paper choosing a topic and creating a research question

What is the meaning of the word checking as it is used in this sentence from the second paragraph of the passage?

In this unit we learned about arguments and rhetoric. in an argument we use ,not informal language

The author most likely uses the word monstrous rather than the word “unpleasant” because it has a more positive connotation than the word “unpleasant.” a more negative connotation than the word “unpleasant.” a more neutral connotation than the word “unpleasant.” almost the same connotation as the word “unpleasant.”