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中考閱讀|2020年中考英語閱讀每日一讀之自然科譜○2
What will happen if all the ice on the earth melts?
As Earth gets hotter every year, the planet’s icesuffers. The ice is melting (融化) fasterthan ever. What would happen if all of Earth’s ice melted?
Ice on Earth
Sea ice is mainly in the Arctic (北極). This kind of ice is made of salty seawater.
Land ice is mostly in Greenland (格林蘭島) and Antarctica (南極). Thiskind of ice is made of fresh water (淡水).
When ice melts ...
Sea levels (海平面) will rise to 50 to 85 meters. Cities near thesea, such as Shanghai, New York and London, will disappear.
Sea animals, suchas polar bears and seals (海豹), willhave no homes.
Earth’s rotation (自轉) will change. Earth will rotate more slowly. We willhave longer days because two milliseconds (毫秒) will beadded (增加) to each day. But we can’t notice (注意) this.
Globaltemperatures will rise by 3.5 C.
Poisonouschemicals (有毒的化學物質) from some ice will go intorivers and oceans.
Did you know?
Only 3 percent of water on Earth is fresh, and about 70percent of that is frozen (冰凍的). That’s30 million cubic km (立方千米) of ice. If you used itto build a 1,000-meter-thick wall, it would cover North America.
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如果地球上的冰都融化了,會發生什麼?
隨著地球一年比一年熱,地球上的冰川。冰融化的速度比以往任何時候都要快。如果地球上所有的冰都融化了,會發生什麼呢?
地球上的冰。
海冰主要在北極(北極)。這種冰是由鹹海水製成的。
陸冰主要分布在格陵蘭島和南極洲。這種冰是由淡水製成的。
當冰融化時。
海平面將升至50至85米。這些地區附近的城市,如上海、紐約和倫敦,將會消失。
海洋動物,如北極熊和海豹,將沒有家園。
地球自轉將會改變。地球的自轉速度會變得更慢。我們會有更長的一天,因為每一天都會增加兩毫秒。但我們沒有注意到這一點。
全球氣溫將上升3.5攝氏度。
一些冰中的有毒物質將進入河流和海洋。
你知道嗎?
地球上只有3%的水是新鮮的,其中約70%是凍結的。這相當於3000萬立方公裡(立方千米)的冰。如果你用它來建造一堵1000米厚的牆,它將覆蓋北美。
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