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托福阅读词汇题:prolonged&exhausted

2015-08-20 12:02:08来源:网络

  【托福阅读词汇题:prolonged&exhausted新托福TPO阅读中,词汇题是重要托福阅读题型。托福阅读词汇题做题需要考生掌握一定的词汇量和做题技巧。本文中新东方在线托福网汇总了新托福阅读词汇150题:prolonged&exhausted。

  Paragraph 4: How did those dense southern Maya populations deal with the resulting water problem? It initially surprises us that many of their cities were not built next to the rivers but instead on high terrain in rolling uplands. The explanation is that the Maya excavated depressions, or modified natural depressions, and then plugged up leaks in the karst by plastering the bottoms of the depressions in order to create reservoirs, which collected rain from large plastered catchment basins and stored it for use in the dry season. For example, reservoirs at the Maya city of Tikal held enough water to meet the drinking water needs of about 10,000 people for a period of 18 months. At the city of Coba the Maya built dikes around a lake in order to raise its level and make their water supply more reliable. But the inhabitants of Tikal and other cities dependent on reservoirs for drinking water would still have been in deep trouble if 18 months passed without rain in a prolonged drought. A shorter drought in which they exhausted their stored food supplies might already have gotten them in deep trouble, because growing crops required rain rather than reservoirs. 【TPO14- Maya Water Problems】

  10. The word "prolonged" in the passage is closest in meaning to (3)

  ○unusual

  ○unexpected

  ○extended

  ○disastrous

  11. The word "exhausted" in the passage is closest in meaning to (1)

  ○used up

  ○reduced

  ○wasted

  ○relied upon

  答案见下一页:

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