I would say the main headings and key concepts in a reading assignment would help one to grasp what the topic is basically about ie paying attention to these two things would be an essential part of a study guide so that the main meaning of the writing could be grasped.
Answer:
This is an example of a simile because it compares the pill bottle to a buried mine using like. A fountain of books sprang down upon Montag as he climbed shuddering up the sheer stair-well; This is an example of a metaphor because there is not a literal fountain of books but it paints a picture for you.
Hope that helps. x
Answer:
Rush of Blood || The room swam and darkened before his eyes