Part I — (Para.1)Today the word “hero” becomes more ________ and is used to refer to both _______ and ________ of all kinds of difficulties and tragedies.Part II — (Paras. __ - __)Both Daniel and Dory are _______ heroes as they acted instinctively with courage and ______ when situations call for.Para. III — (Paras. __-__)_______ are heroes no matter they succeed in their effort to save people or get injured or killed in their efforts.Para. IV — (Para. 13)The stories of heroes help remind us that ordinary people can do ______ things and, being inspired by them, we can also be heroes when circumstances call on us to act heroically.