话题十三 自然生态 Ⅰ. 完形填空。 “For thousands of years, humans have raced to be the first. Now, in some cases, we’re racing to be the last,” said The New York Times’ Paige McClanahan. This is the spirit at the heart of last-chance tourism, a rising industry. Last-chance tourism is about 1 the last of something, that’s to say, visiting places before they disappear. Rising temperature and water levels mean that we may never get another 2 to see certain islands, glaciers (冰川), animals, and so on before they disappear. This may sound 3 , but some people are using last -chance tourism as a way to spread environmental awareness. One 4 is “the Sea of Ice” in Chamonix, France. The Chamonix ski resort (度假村) opened a glacier museum in 2012. There tourists can learn about glaciers and 5 climate change influences places like“the Sea of Ice”. This effort seems to have a(n) 6 . A survey showed that 80 percent of visitors said they would 7 to learn more about the environment and how to protect it. 8 it has these advantages, last-chance tourism may also be speeding up the effects of climate change. As more people rush to endan - gered natural places, they 9 a bigger and bigger carbon (碳) footprint, leading to the destruction of these places in the end. At the end of the day, it’s not just about understanding the need to stop climate change; it’s even more 10 to avoid making it more terrible. 1. A. having B. seeing C. developing D. picking 2. A. chance B. way C. idea D. reason 3. A. normal B. exciting C. sad D. simple 4. A. fact B. sign C. project D. example 5. A. how B. when C. if D. where 6. A. visit B. effect C. offer D. experience 7. A. choose B. try C. remember D. forget 8. A. Although B. Unless C. Whether D. Because 9. A. build B. check C. create D. collect 10. A. convenient B. impossible C. difficult D. important Ⅱ. 阅读理解。 ［25·扬州改编］ A Alex and his classmates are working on a project about the Great Lakes. Here is the information sheet they have made. Part 1: Facts The Great Lakes — Ontario, Huron, Michigan, Erie and Superior — are five freshwater giants. They span across eight US states and two Canadian provinces. Part 2: Comparison ●Lake Ontario This lake has the smallest surface area at 7,336 square miles. Three dams (大坝) control the flow of water downstream and include locks so boats can enter from the Atlantic. ●Lake Huron This is the second largest lake by surface area in the system and home to Manitoulin Island, the world’s largest freshwater island. ●Lake Michigan It is joined to Lake Huron by the five-mile-wide Straits (海峡) of Mackinac, though they are still classed as two separate bodies. ●Lake Erie With a depth of 64 meters, this is the shallowest (最浅的) of the Great Lakes. It is generally the warmest, but also gets frozen more quickly than the others. ●Lake Superior At 406 meters deep, the distance from the lake’s surface to its deepest point is about the same as the length of four football pitches ( ... ...
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