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There are still a few people in northern Europe who think that global warming might not be such a bad thing. In Britain, where summer can sometimes seem to last little more than a few weeks, many would welcome the idea of it getting a bit hotter. Unfortunately, things are not so simple. Global warming doesn't just mean that the world will slowly get warmer. Paradoxically, it could cause certain areas to get colder—a lot colder. The latest predictions are that northern Europe could even be plunged into an ice age. While areas of southeastern Europe, such as Greece, would continue to get hotter and drier, Britain could find itself, in the winter months at least, surrounded by sea ice. The reason for this concerns the Greenland ice sheet. This is one of the biggest expanses of ice in the world—around 1,500 km long and 600 km wide. It is so big that if it all melted, sea levels would rise by 7 meters. Due to rising emissions of greenhouse gases, such as carbon dioxide from the combustion of fossil fuels, this ice sheet is melting at an alarming rate. But how could the melting of the Greenland ice sheet threaten to plunge northern Europe into a new ice age? The link in the chain of events is what some call the Gulf Stream and others call the Atlantic Conveyor. This is the stream of warm water that comes up from Central America and flows across the Atlantic to northern Europe. It is this huge mass of warm water which accounts for the relatively high temperatures enjoyed by Britain, for instance, compared with parts of Canada and Russia which are equally far north of the equator. Warm water is conveyed across to Europe near the surface of the Atlantic, and, at its northernmost point, it cools and sinks because the water from the tropics has a higher salt content, making it denser and heavier than the water near the arctic. The cold and dense water then flows south close to the ocean floor and back towards Central and South America to complete the cycle. Scientists are beginning to make bleak predictions of an impending ice age in the northern hemisphere because they have observed that the water flowing from the melting Greenland ice sheet is flowing into the path of the Gulf Stream. The water from the melted ice will reduce the density of the water in the Gulf Stream, stopping the water sinking in the north and thereby cutting off the deep southerly current, which, in turn, will cut off the northerly flow of warmer water. At that point, the seas around Britain will begin to freeze.
【題組】78 Which of the following is closest in meaning to the word “paradoxically” in the second paragraph?
(A) Strangely
(B) Inevitably
(C) Apparently
(D) Ideally

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bn3 高三上 (2022/03/07)
北歐仍有少數人認為全球變暖可能不是一件壞事。在英國，夏天有時似乎只持續幾個星期，許多人會歡迎它變得更熱的想法。不幸的是，事情並非如此簡單。全球變暖不僅僅意味著世界會慢慢變暖。矛盾的是，它可能會導致某些地區變得更冷——更冷。最新的預測是，北歐甚至可能陷入冰河時代。雖然希臘等東南歐地區將繼續變得更熱、更乾燥，但至少在冬季，英國可能會發現自己被海冰包圍。其原因與格陵蘭冰蓋有關。這是世界上最大的冰層之一——長約 1,500 公里，寬約 600 公里。它是如此之大，如果它全部融化，海平面將上升 7 米。由於溫室氣體排放量的增加，例如化石燃料燃燒產生的二氧化碳，這個冰蓋正在以驚人的速度融化。但是格陵蘭冰蓋的融化怎麼可能...
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There are still a few people in northern..-阿摩線上測驗