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题型:阅读理解-阅读单选 难度:0.65 引用次数:60 题号:2825060
One reaction to all the concern about tropical deforestation(砍伐森林) is a blank stare that asks the question, "Since I don't live there, what does it have to do with me?"
The answer is that your way of life, wherever you live in the world, is tied to the tropics in many ways. If you live in a house, wash your hair, eat fruits and vegetables, drink soda, or drive a car, you can be certain that you are affected by the loss of tropical forests.
Take rubber(橡胶) for example. For many uses, only natural rubber from trees will do. Synthetics are not good enough. Today over half the world's commercial(商业的)rubber is produced in Malaysia and Indonesia, while the Amazon's rubber industry produces much of the world's four million tons. And rubber is an important material in making gloves, balloons, footwear and many sporting goods. Thousands of other tropical plants are valuable for their industrial use.
Many scientists strongly believe that deforestation contributes to the greenhouse effect—or heating of the earth from increased carbon dioxide in the atmosphere. As we destroy forests, we lose their ability to change carbon dioxide into oxygen.
Carbon dioxide levels could double within the next half-century, warming the earth by as much as 4.5 degrees. The result? A partial melt-down of polar ice caps, raising sea levels as much as 24 feet; even 15 feet could threaten anyone living within 35 miles of the coast. Unbelievable? Maybe. But scientists warn that by the time we realize the severe effects of tropical deforestation, it will be 20 years too late.
Can tropical deforestation affect our everyday lives? Now, you should have got the answer.
1. The underlined word "synthetics" probably means a kind of __________.
A.natural rubberB.tropical grass
C.man-made materialD.tropical tree
2. In the last paragraph the author tries to _________.
A.tell people how to avoid the tropical deforestation
B.show us how important it is to protect the tropical forests
C.persuade people to buy something synthetic
D.let people realize the good effect of tropical deforestation
3. The author's attitude towards the tropical deforestation is __________.
A.puzzlingB.cold
C.supportingD.opposed
【知识点】 环境保护 说明文

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文章大意:本文是一篇说明文。文章介绍了中国古代对环保的重视以及各朝代政府设立环境保护部门来保护环境。

【推荐1】During the annual political meetings, environmental protection was definitely among the biggest concerns. Actually, it was also an issue that ancient Chinese paid great attention to. In fact, the world’s earliest environmental protection concept, ministry and laws were all born in China. So, what did the ancient Chinese do to protect the environment?

In early ancient China, environmental protection was promoted to the political level. Xunzi, a famous thinker in Warring States Period, brought up the concept of “managing state affairs through environmental protection”. He stated in his book that vegetations (植被) should not be damaged at will. Guan Zhong, an official 400 years ahead of Xunzi, was also an environmental protection expert. During his term of office, he claimed that “a King who cannot protect his vegetations is not qualified to be a king”.

According to a record in Qing dynasty, the environmental protection ministry in early ancient China was called “Yu”, standing both for the institution and the official title. Although most   functions were similar to such ministries today, the administration range of it was much larger, including the mountains, forests, rivers, lakes and so on.

The nine ministries established by Shun, an ancient Chinese king, already included “Yu”, the environmental protection ministry. The first “Yu” official was a man called Boyi, who was indeed an environmental protection expert. He was a capable assistant to Dayu, an ancient Chinese water-control expert. He invented wells, protecting people’s drinking water from pollution. He knew a lot about animals and also called for animal protection.

Environmental protection laws dated back to the ruling period of Dayu, which was more than 4,000 years ago. During his rule, he issued a ban, forbidding people to cut down wood in March or catch fish in June, the time when they were supposed to boom.

In Spring and Autumn and Warring States Period almost 3,000 years ago, “environmental protection laws” appeared in its true sense in Qin, which was recorded in Law of Fields and regarded as China’s earliest “environmental protection laws”.

1. Which statement would Xunzi probably agree with?
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C.The king who failed to protect the environment should be removed.
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2. What does the underlined word “it” in Paragraph 3 refer to?
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B.It was too hot to catch fish in June.
C.Fish had a period of rapid growth in June.
D.Fish-catching time had already passed in June.
4. Which is the best title of the passage?
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【推荐2】“I can’t turn the desert into an oasis, but I’m working hard to prevent any oasis from degrading (退化) into desert,” says 78-yearold Wang Tianchang in Wuwei city, in Northwest China’s Gansu province.

Sticking to the belief that “only by containing the sand, our children and grandchildren will survive and thrive”, Wang and his wife Li Lanying have been stationed in the Tengger Desert for 22 years, voluntarily dealing with sand encroachment (侵蚀) and planting more than 8,000 acres. They have helped turn the once endless desert into an oasis.

In the spring of 1999, the then 56-year-old Wang put forward the idea of afforestation (造林) in the Tengger Desert. Strongly opposed by his family and ridiculed by the villagers, Wang secretly sold the family’s cattle, sheep and camels. With the collected money, the couple brought their tents and sand control tools to the desert.

“It’s not easy to plant trees, especially in the desert. To improve the survival rate of sand-grown seedlings (幼苗) in the desert, Wang observed the flow of sand dunes (沙丘) in areas where it was most severe in the 12th lunar month in winter. He also explored the best spots for planting grass and trees, and gradually found effective methods for planting saplings in the desert. In order to solve the problem of water scarcity, Wang bought two-humped camels. His wife led the camels to transport water on a route of more than 3 kilometers between their home and the desert back and forth every four and five hours.

Over the past 22 years, Wang and his family have invested more than 1.2 million yuan ($ 187,770) to the task of containing the sand and planting trees in the Tengger Desert. During this period, in order to improve the progress of sand suppression (抑制), the couple spent more than 6,000 days in achieving more than 8,000 acres of sand afforestation, and used camels to transport 5,000 tons of water on the sand line. The round-trip journey was more than 12,000 kilometers.

Wang’s spirit of living in the desert for decades has moved many people. Every year, volunteers from all over the country and tens of thousands of local people come here to fight the sands with the couple and protect their home.

1. How did Wang manage to get the money he needed?
A.He borrowed some from his relatives.
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C.Charity organizations donated much to him.
D.He sold the family’s cattle, sheep and camels.
2. What does tie underlined word “scarcity” in Paragraph 4 mean?
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【推荐3】Mr. Fang is now the owner of 36 greenhouses producing organic vegetables in the Gobi desert in Northwest China’s Gansu province. He is one of the beneficiaries of the Gobi Farming Program of Gansu province that is building rows of greenhouses in the desert to help transform local farming and alleviate poverty.

Grain production in Gansu is greatly affected by the climate and the output is unstable. Agricultural production there relies heavily on rivers, oases and groundwater irrigation. If traditional extensive agricultural production continued, it could gradually narrow the living space.

In 1995, a local entrepreneur ventured to use Israeli technologies to build greenhouses for vegetables growing in the desert. Such individual pilot projects encouraged the Gansu government to launch a provincial-level Gobi farming program in 2017 with a target to build up a controlled-environment agriculture of about 20,000 hectares by 2022. Some cities in the province, which include Fang’s village, have already been experimenting with Gobi farming for several years.

Despite the harsh environment, farming in the Gobi desert has its advantages: the extended amount of sunlight provides adequate energy for crops, a significant temperature difference between day and night helps crops accumulate nutrients and the Gobi’s hot and dry air means fewer pests and crop diseases. The Gobi greenhouses popping up in Gansu use drip and spray irrigation, which can cut water consumption by almost 50 percent compared to a normal farm. The greenhouses are also eco-friendly, as they use substrates for soilless cultivation recycled from rotten leaves, straw and cow and sheep feces.

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