2, the idiom that explains the truth: all rivers run into the sea, with great tolerance.

The wall stands a thousand miles, and it is just without desire.

All the birds bow their heads and hide.

Natural selection for survival of the fittest.

3. Two-part allegorical saying: Trees fight for a piece of skin, (people fight for breath)

4. Two-part allegorical saying: Sincerity has arrived, (Shikai)

5. Two-part allegorical saying: layman watches the excitement, (expert watches the doorway)

6. Two-part allegorical saying: Pick a bone in an egg.

7, prime minister belly punting, (big belly (degree))

8. What is the function of green leaves? Photosynthesis! Hehe, actually I don't understand your question. Green leaves are the symbol of plant life, and in a sense, they can be processed into pigments.

9. Write antonyms: the rising sun (the setting sun), smooth sailing (hitting a wall everywhere, life is doomed), calm (frustrated), energetic (weak limbs), self-discipline (whimsical, Ye Gong loves dragons very much).