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【听力文摘】适应气候变化
2015-04-07 来源:普特编辑部 【大 中 小】 普特网校:在线口语培训
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Adapting to Climate Change
Adapt To Change?
We know global warming is bad: The temperature of the air onthe Earth’s surface is projected to increase at a rate more rapidthan any temperature change that has taken place in the last ten thousand years.
Since species have adapted to climate change in the past, why can’t they simply adapt to thesechanges?
Thanks to ecosystem changes due to agriculture and deforestation and pollution, many speciesare already weakened to begin with. Plus, in the past, climate change has happened slowly enoughthat many species had enough time to shift the locations where they grow and reproduce. Butthe current projected rate of surface temperature change would require for plants to move at arate of 3.5 miles per year. (The fastest plant species only migrate at the rate of 1.3 miles a year.)
Pick Up And Move?
Though they’re not quite as rooted, animals cannot just pick up and move to more inclementenvirons if their food source can’t move with them. And it doesn’t help that all of the differentways we use land means that the Earth is pretty much a mosaic of different ecosystems ratherthan larger, contiguous habitats.
So even if a species is able to migrate quickly enough, it has nowhere to go and nothing to eat.The Earth’s species simply don’t have enough time and resources to adapt to such rapid climatechange, and that’s why many aren’t expected to survive if global warming continues at itscurrently projected rate.
重点解析 Key Phrases/Words
1. due to 由于,因为,应归于
2. deforestation n. 采伐森林,森林开伐
3. inclement adj. <正>(天气)恶劣的(指寒冷的、潮湿的等 )
4. environs n. 郊区,近郊
5. mosaic n. 马赛克,镶嵌图案
6. contiguous adj. 接触的,邻近的,共同的
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