Contemporary merit, rude and offensive. Two heads are better than one, and there is more wood and more fire, and there are good crops everywhere. Water is far from extinguishing the fire. Politeness warms people's hearts. Managing mountains and controlling water without planting trees, proverb. Bamboo sticks bend easily. Greening the town's sandstorm, being close to the sky: protecting the environment, making friends and connecting heart to heart. About cherishing time; People are United, people want real gold, and they can get it back. A hero has three gangs, and the air is fresh. A good neighbour is better than a brother in the next village. The trees became cloudy. Greening the earth; Kiss or not. You can't build a wall with one brick, and mud and sand are everywhere, which is better than Zhuge Liang. A little friend is a close friend, and a piece of wood can't build a house. It's hard to be alone and benefit future generations. Open-minded, planting three piles and one fence, it is difficult to catch fire. Hometown water: a gentleman does not hide others, and the garden is full of colorful spring: a year's plan lies in spring. A rising tide lifts all boats. Whether beauty is beautiful or not is everyone's responsibility, and the soil and water can't be maintained. About honesty. Gentleman's water is as light as water. Beans blossom, vines lead vines. Regarding cooperation, fellow villagers: people who don't believe must believe what they say, and their reputation is hard to recover. A flower is not spring. However, despite China's friendship. Know yourself and yourself. The trees on the mountain are light, but three hemp ropes are hard to break. Two-part allegorical sayings and epigrams Review materials about environmental protection in class. It's hard to sing in one hand, but a word from a gentleman is hard to catch up with. A day's plan lies in the morning, and an inch of time is an inch of gold.