Answer:
(1). The first sentence uses metaphor to encourage yourself to take precautions and plan for your future, which can be described as "aim high".
(2). The second sentence uses a symbolic technique to symbolize a certain thought of oneself or others as a source of strength to strive for oneself and ignite one's own fighting spirit - "a burning flame".< /p>
(3). The third sentence uses personification to give the maple leaf a human character and praise this character. At the same time, it is a symbol. The maple leaf also symbolizes having this character. This kind of person uses this kind of character to realize his ideals and "paint the picture of life".
Haha, the analysis is incisive enough, can you give me some points? It's pretty typing. Hard work.