Ⅴ. 还原短文6选5
The "Great Green Wall of China" project is over 45 years old in 2026. In this project, people plant trees in northern China. Why are trees so important to us? Because it is healthy to live around trees. 26. So, we call them doctor trees.
Trees can clean the air. So for people in large cities with air pollution, trees can be very important. 27. They are also planting trees along streets to help clean the air.
28. Trees are also good for our health. A study shows that people in hospitals do better when they can see trees from their rooms. And people with trees near their homes usually exercise more.
Scientists are also studying the health effects of trees on human minds. 29. A study was made among city people in a place with few trees. After workers planted lots of trees there, people living there said the neighbourhood was nice. 30. And they stayed on the street to talk more often with people who lived near them.
Of course, another good effect is that doctor trees work for free!
A. We cannot live without trees.
B. They can keep us healthy, just like doctors.
C. Cities are planting trees not just in city parks.
D. They walked more slowly when going to work or going home.
E. Some scientists think that trees help more than just the air.
F. One effect of trees is that they make people feel happy and relaxed.