Special topics and Chinese practical activities. March 12 this year is the 34th voluntary arbor day in China. The seventh grade in our school was organized around Arbor Day.

1, activity 1 ① tree-shaped, indicating that all the people are willing to plant 3 to 5 trees, and everyone is beginning to green the motherland. (2) "China Arbor Day" and "3. 12" represent the indomitable determination to transform nature and benefit mankind, and we should plant trees every year. (3) Five trees can be understood as "forest", thus extending and connecting the outer circle, showing the greening of the motherland, and realizing a virtuous circle of natural ecosystems with forests as the main body.

2. Example of activity 2: ① Water is the source of life, and trees are the guardians of water. A busy day planting trees benefits a hundred years. Everyone has the obligation to plant trees to green the motherland every year. (4) Afforestation is to make money, afforestation is to make water, and afforestation is to make wealth.

3. Activity 3 "omitted".

4. Example of Activity 4: We look at the green trees around your village and the pale blue of the distant mountains. Birds are freely perched in the trees by the pool, and monks are knocking at the door. Jasper dressed as a tree, hanging down ten thousand green silk tapestries. Suddenly, like a night wind blowing, like a pear tree in blossom. On one side of the boat, Qian Fan races; At the head of the sick tree, every year is a spring shower. ?

The meaning is correct, but the answer is not unique. )