2. 外语
  3. From the top of Temple IV, dense jungle canopy(遮篷) spreads to the horizon in every direction. Some 215 feet below lies Tikal, th

From the top of Temple IV, dense jungle canopy(遮篷) spreads to the horizon in every direction. Some 215 feet below lies Tikal, th

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问题     From the top of Temple IV, dense jungle canopy(遮篷) spreads to the horizon in every direction. Some 215 feet below lies Tikal, the greatest of the Mayan cities, much of it still 【B1】______ by trees that have swallowed Temple IV up to the base of its 【B2】______ .
    【B3】______ of archaeologists have worked to excavate (挖掘) this vast city since a Spanish governor rediscovered it in 1848. They’re still at work today; clearing trees from nearby temples, searching for 【B4】______ to how the ancient Maya lived and what caused them to 【B5】______ their great cities six centuries before the Spanish conquest. New inscriptions, villages, even 【B6】______ cities are being discovered every year, 【B7】______ great excitement among archaeologists.
    The latest and most 【B8】______ find was announced on Sept. 8: the discovery of a nearly intact 170-room palace buried at Cancuen, 70 miles south of Tikal. 【B9】______ It’s so large, in fact, that previous expeditious to Cancuen mistook it for a great jungle-covered hill.
    【B10】______ But what to make a city abandoned so swiftly? Dr. Hammond finds evidence that the city was in the midst of a massive expansion project when its inhabitants suddenly left. Hammond thinks 【B11】______ "Just before the collapse, there are more Maya around than ever before, and they’re packed into cities that are larger, more numerous, and more closely spaced," he says.
【B11】
选项
答案the Mayan civilization may have been victims of their own success. Some estimates put the Mayan population in the lowland jungles at a surprising 200 people per square kilometer.
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