What do we primarily rely on media for

You are reading an informational text for english class, and you find a lot of words you don't know. your teacher says you don't need to look up all of them in the dictionary, only the ones you need to get the main point of the text. how could text features you figure out which words to look up?

The play, doctor faustus, opens with a prologue. by describing faustus's beginnings as a child "base of stock" and his end as his "waxen wings" melted when "heaven conspired" to stop him, the chorus subtly calls to audience's minds, as they begin to view the play, the commonly held idea of the great chain of being the pact with the devil the seven deadly sins the renaissance man

The economic boom of the roaring twenties coincided with, and was partly fueled by a) the end of wwii b) the birth of consumer culture c) the beginning of the coolidge presidency d) the end of prohibition