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A. Glacier National Park Just slightly more than 100 years ago, there were as many as 150 glaciers dotted throughout Glacier National Park in the north of the U S A. By 2005, only 27 remained, and those are expected to disappear completely by 2030, if not earlier. Many of the plant and animal species that call the park home require cold water, meaning the ecosystem of the park stands to change dramatically when the glaciers are gone. | B. Great Barrier Reef It's so large that it can be seen from space, but the Great Barrier Reef is disappearing at an increased rate because of climate change. Rising ocean temperatures, water pollution, ocean acidification and cyclones continually hit the reef and have caused mass coral bleaching. What took 8,000 years for nature to build could disappear within our lifetimes. |
C. Maldives Maldives is the lowest-lying country in the world, with a maximum natural ground level of 2.3 meters (7 feet, 7 inches), and an average of only 1.5 meters (4 feet, 11 inches) above sea level. If sea levels rise too much, the country would earn an unwanted superlative: the first nation to be swallowed by the ocean because of global warming. | D. Patagonia A land of untouched beauty, South America's Patagonia stands to be dramatically altered by climate change. Many of its glaciers are steadfastly retreating due to rising temperatures and declining rainfall. While this land doesn't stand to disappear entirely, its landscape may soon be altered beyond recognition if global warming persists. |
E. Bangladesh Set in the low-lying Ganges–Brahmaputra River Delta, Bangladesh sits in a perfect storm of climactic conditions. About 50 percent of the area would be flooded if the sea level were to rise by 1 meter. Bangladesh also lies at the heart of the monsoon belt. Natural calamities, such as floods, tropical cyclones, tornadoes and tidal bores(怒潮)occur here almost every year — with tragic results. | F. South Australia Much like the Sahara in Africa, desertification also threatens South Australia. Across the region, fresh water supplies are rapidly drying up. Meanwhile, the parched(焦干的)landscape increases the occurrence of wildfires, threatening agriculture, wildlife and hundreds of Australian homes. |
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A.Look, the students are very busy. |
B.I’ve never been to a library; I don‘t know what to do. |
C.Can we read our own books there? |
D.Let’s ask the assistants who can help us. |
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