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托福阅读句子简化题:Groundwater

2015-08-20 18:35:20来源:网络

  【托福阅读题型:Groundwater句子简化题】托福阅读中句子简化题是重要题型之一。根据托福阅读题型不同来进行专项练习,是短期提高托福阅读能力的有效方法。同学们需要多加练习哦!

  查看全部:托福阅读题型分类练习之句子简化题

  托福阅读句子简化题:Groundwater

  【Paragraph 5】Because the surface of the water table is not flat but instead rises and falls with topography,  groundwater is affected by gravity in the same fashion as surface water. Groundwater flows downhill to topographic lows. If the water table intersect the land surface, groundwater will flow out onto the surface at springs, weather to be collected  there or to subsequently flow farther along a drainage. Groundwater commonly collects in stream drainages but may remain entirely beneath the surface of dry stream-beds in arid regions. In particularly wet years, short stretches of an otherwise dry stream-bed may have flowing water because the water table rises to intersect the land surface. (Groundwater)

  Which of the sentences below best expresses the essential information in the highlighted sentence in the passage?  Incorrect choices change the meaning in important ways or leave out essential information.

  ○ Groundwater only flows out of the ground if the water table intersects the land surface.

  ○ If the land surface and the water table intersect, groundwater can flow underground.

  ○ Groundwater may be drained if springs occur where the water table intersects the land surface.

  ○ Where the water table meets the land surface, groundwater flows out through surface springs.

  答案见下一页:

本文关键字: 托福阅读句子简化题

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