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[originaltext] Scientists say a huge percentage of bird species are in dange
[originaltext] Scientists say a huge percentage of bird species are in dange
游客
2024-01-20
25
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问题
Scientists say a huge percentage of bird species are in danger because their habitats, or homelands, are disappearing.
Traditional migration paths take birds through countries that are not protecting locations to stop, rest and feed.
The scientists studied the migration, or flight, paths, of almost 1, 500 species. They decided that 91 percent of them passed through dangerous areas.
The major danger for migratory birds is development. Building and paving has covered over nature where birds stop and feed as they move from one part of the world to another.
For example, a bird called the bar-tailed godwit migrates from its breeding grounds in the Arctic. It flies all the way to the southern hemisphere in Australia and New Zealand. Along the way, the small birds stop at Yellow Sea mudflats in China, North Korea and South Korea.
One of the scientists who worked on the study says "many of these critical sites have been lost to land reuse owing to urban, industrial and agricultural expansion.”
5. Why are bird species in danger according to the news report?
6. What do we learn about migratory birds from the news?
7. What is the reason for the lost of critical sites for migratory birds?
选项
A、Urban expansion.
B、Land expansion.
C、Agricultural expansion.
D、Industrial expansion.
答案
B
解析
新闻末尾部分提到,关键栖息地被用于土地复垦(many of these critical sites have been lost to land reuse)。B中的land expansion与新闻中land reuse同义,故B正确。”城市扩展”、C“农业扩展”和D “工业扩展”三项都不是栖息地消失的直接原因,而是间接原因。这三个内容在新闻中是并列出现的,不可能同时为答案。
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