The longleaf pine （長(zhǎng)葉松） tree has deep connections with the history and life of the eastern part of America.Forests of these trees once covered two-thirds of the southeastern United States.About 95 percent of those forests were lost in the past 100 years.Many of the forests were cut for their wood，but now they are returning，with the help of government programs that build ties with private landowners.
The wood of the tree is very strong.Most buildings built in the southern U.S.jye.ai the 1800s contained longleaf pine wood.Today，although buildings made with longleaf pine are no longer wanted，yet people are reusing the wood because it is still good and resists （抵抗） water and insect damage.
The longleaf pine also takes in CO2 in the air.It stores the material in its wood.So，the tree is valuable to the environment as a way to store carbon.
At the same time，the pine forests are places for animals to live.The U.S.government has several programs to protect and increase longleaf pine forests.One is the Safe Harbor Program.It uses voluntary agreements with private landowners to help animals at risk.One such agreement protects the red-cockaded woodpecker and also lets landowners use their land，as long as the birds and other connected animals can safely live on it.
Now，farmers and landowners in the southeastern U.S.jye.ai growing new longleaf pine trees.Instead of cutting the trees to use as building materials，they are finding ways to make money from the forest of living trees.One way to get money is by selling the leaves of the trees as a ground cover.Farmers can gather the pine leaves by hand or with the help of a machine.Pine leaves can be used instead of wood pieces or skins as a ground cover.It lasts a long time，is light in weight and stays in place because the needles （針） connect to each other.
（1）Which of the following has helped bring back the longleaf pine trees？ AA
A．The government's efforts.
B．The much money it brings.
C．People's wish to return to the old lifestyle.
D．The great need for their wood.
（2）What do we know about houses built of longleaf pine wood today？ CC
A．Welcome.
B．Cheap.
C．Unpopular.
D．Unclean.
（3）What is one responsibility of landowners to use their land？ BB
A．Providing longleaf pine wood.
B．Protecting animals in danger.
C．Enlarging the wood's market.
D．Collecting longleaf pine needles.
（4）What can be the best title for the text？ DD
A．The Return of Longleaf Pines Gives Home to Animals.
B．Farmers Benefit from Living longleaf Pine Trees.
C．New Uses of Longleaf Pine Trees Create Forests.
D．Longleaf Pine Trees Give More than Just Wood.
【考點(diǎn)】環(huán)境保護(hù)；說(shuō)明文．
【答案】A；C；B；D
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/4/20 14:35:0組卷：0引用：2難度：0.5
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