CNo one can believe that the over 6,300-kilometer Great Wall might disappear some day. Bel

C
No one can believe that the over 6,300-kilometer Great Wall might disappear some day. Believe it or not, the Great Wall is being destroyed by people. Less than 20 percent of the Great Wall built in the Ming Dynasty, is still perfect, but about 80 percent is in danger. The Great Wall can be called great mostly because of its amazing length. But we should realize that the length was made up of one brick at a time. If we do nothing to save the Great Wall, it will become a series of separate wasteland rather than a historic site.
The Great Wall is actually a series of walls built and rebuilt by different dynasties over the past 2,000 years. It began in the rule of China's first emperor, Qin Shihuang of the Qin Dynasty(221 BC-206 BC), and lasted into the Ming Dynasty. The parts built before the Ming Dynasty have nearly disappeared. People are familiar with sections such as Badaling in Beijing and Jiayuguan Pass in Gansu, because they have been open to tourists for many years. But those sections far away from the public eyes have been almost forgotten.
Few local people knew the 3-metre-high walls made of earth and stones beside them are part of the Great Wall. The lack of knowledge is considered as one of the main reasons behind human.
The bricks on the Great Wall are carried off by countryside people to build their houses, sheep corrals and pigsties. Some were taken away to build roads. Bricks carved with people's names are put away as remembrances. Rubbish is spread over the battlements. The bricks can be sold for 15 yuan per tractor load. Those who destroyed and are destroying the Wall know its name, but are not clear about its cultural meaning. It will take a long time to let them know this. The local farmers not only carried off the body of the Wall but also dug out the entire base.
It is necessary to protect the Great Wall. First of all, the officials should be aware of the importance of the Great Wall. Young Chinese should know more about the nation's great civilization and learn to love it.
64. Why does the writer say the Great Wall might disappear?
A. It is useless from now on.
B. It will be replaced by a new one.
C. Some parts of it are being destroyed.
D. It is too old to be used again.
65. According to the passage, which of the following is TRUE?
A. The Great Wall was completed in the Ming Dynasty.
B. Not all the foreign tourists like the Great Wall.
C. The first part of the Great Wall was built in 221 BC.
D. The Qin Great Wall was protected well.
66. The underlined part those sections far away from the public eyes (in Paragraph 2) refers to the parts of the Great Wall .
A. that are too difficult to find
B. nobody can watch
C. that are too far to be seen
D. that are not well-known to the public
67. What's the main reason of the Great Wall's being destroyed?
A. The local people are short of culture knowledge.
B. The local people need bricks and stones to build houses.
C. The local people think that the Great Wall is not important.
D. The local people sell the bricks for a living. CADA

(答案→)CADA 解析：64. C。细节理解题。从文章第一段第二、三句可知。65. A。细节判断题。从文章第二段第二句可知。66. D。句意理解题。从文章第二段最后两句可知，其中but是一个关键词。67. A。细节理解题。从第三段第二句可知。

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