16.program; bird; become; with; use; popular; call; large; grow; they |
You are standing in a beautiful forest in Japan. The air is clean. There are about 170 different kinds of trees, and about 60 kinds of (1)
living here. But you are not in the countryside. You are in the city of Nara, Japan, in Kasugayama Forest, an old urban (城市的) forest. It was started more than a thousand years ago, and today it is very (2)
with visitors and artists.
Cities around the world are working to protect (保护) (3)
urban forests. Some urban forests are parks, and some are streets (4)
a lot of trees. But all urban forests are good for people and they make the city more beautiful.
In some cities, urban forests can be very (5)
. In London, there are now 1. 3 million (一百万) trees in an urban forest (6)
Thames Chase. It was started in 1990, and it has grown very fast. Walking and bicycle clubs (7)
the forest. And there are also (8)
for children and artists. In 2033, it will have 5 million trees.
Some older cities are too small to have a big urban forest, but they are (9)
more trees on the streets. Experts find that people can feel more relaxed when they see trees. In the future, urban forests will (10)
more important as cities grow bigger.