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新托福阅读词汇150题(92):disruption&exhaustion

2015-08-14 10:54:53来源:网络

  【新托福阅读词汇150题(92):disruption&exhaustion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:disruption&exhaustion。

  Paragraph 6: In view of these facts, scientists hypothesized that a single large asteroid, about 10 to 15 kilometers across, collided with Earth, and the resulting fallout created the boundary clay. Their calculations show that the impact kicked up a dust cloud that cut off sunlight for several months, inhibiting photosynthesis in plants; decreased surface temperatures on continents to below freezing; caused extreme episodes of acid rain; and significantly raised long-term global temperatures through the greenhouse effect. This disruption of food chain and climate would have eradicated the dinosaurs and other organisms in less than fifty years. 【TPO8- Extinction of the Dinosaurs】

  11. The word “disruption” in the passage is closest in meaning to

  ○ exhaustion

  ○ disturbance

  ○ modification

  ○ disappearance

  答案见下一页:

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