1. What does the author really want to tell us? In my opinion, his real implication is that everyone has to meet difficulties in their life experiences.
2. The purpose of the pictures is to warn us that due attention has to be paid to the decrease of ocean resources.
3. The idea conveyed by the cartoon is apparent: the finishing point is just a new starting point.
4. I cannot help relating these drawings to reality. They clearly show how human interpersonal relationships have developed.