The answer to your question is hearing. the reason why is because you need to be able to hear an explosion in order to not that its an explosion. and with the second, its talking about the thumping, wich u need to be able to hear in order to call it thumping. i hope this answer helps.
Answer:
-The Great Gatsby is one of the top contenders for the elusive title of 'Great American Novel'
-The Great Gatsby is, for all its lucidity and its light page-count, a difficult book.
-The Great Gatsby is a patient, elegiac type of meditation that will suddenly wheel you around and send you flying.
