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1. 阅读理解
Cao Zhawa has been planting trees for most
of his life. He lives and works in the heart of Mu Us Sandyland, an area in the
southwest part of Inner Mongolia.
In 1958, when he was just 16
years old, Cao started planting trees. Cao's trees now cover an area of more
than 1.3 million square meters. Cao's forest is worth an estimated 10 million
yuan and can produce 100,000 kilograms oxygen, enough to sustain a full-grown
adult for nearly a year.
Mu Us Sandyland is one of the
places in China most affected by erosion(侵蚀) and desertification. The amount
of annual rainfall ranges from 150 to 300 millimeters, while evaporation(蒸发) between 2,000 and 3,000 millimeters. Cao recalls that his
growing-up was troubled by sandstorms. This was one of the factors that
motivated Cao to join and stay on the tree-planting program.
Popularly known as the
"Green Great Wall", the project, which is set for completion in 2050,
would be a 4, 800-kilometer greenbelt of trees and shrubs(灌木)
protecting the area from strong winds and preventing soil erosion. Since the
start of the Three-North Shelter Forest Program, millions of people have joined
in and become a vital part of the plan.
However, the tree-planters face
a host of challenges, with watering the most difficult among them. "When I
was young, the level of groundwater was high," said Cao, "But with
less rain, the trees are hard to plant and keep alive."
Planting trees has also become
harder for Cao as he ages. However, he doesn't want to leave the forest in the
care of his children, and he insists the land belongs to the government.
"When I die, I just want to be buried under the trees," Cao said.
"Then I will be with them forever."
（1）By listing the figures in Paragraph 2, the author wants to _________.
A . show Cao has had a hard life
B . praise Cao for his contribution
C . tell us how much oxygen an adult needs
D . make it clear that Cao has made a fortune
（2）Why did Cao make up his mind to plant trees?
A . Evaporation in his hometown was serious.
B . He had no other ways to earn a living.
C . He found it a pleasure to plant trees.
D . Sandstorms kept striking his hometown.
（3）What does Cao Zhawa most care about?
A . His health.
B . His wealth.
C . Forest ownership(所有权)
D . Children's future.
（4）What's the best title for the passage?
A . An Elder in the Desert
B . A Life Devoted to Planting Trees
C . Mu Us Sandyland Requires Forest
D . Cao Zhawa—a Peasant with a Great Dream
