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新托福阅读词汇150题(26):plugged&washed

2015-08-11 11:05:08来源:网络

  【新托福阅读词汇150题(26):plugged&washed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:plugged&washed。

  Paragraph 5: So much for unconsolidated sediments. Consolidated (or cemented) sediments, too, contain millions of minute water-holding pores. This is because the gaps among the original grains are often not totally plugged with cementing chemicals; also, parts of the original grains may become dissolved by percolating groundwater, either while consolidation is taking place or at any time afterwards. The result is that sandstone, for example, can be as porous as the loose sand from which it was formed. 【TPO1- Groundwater】

  9. The word “plugged” in the passage is closet in meaning to

  ○washed

  ○dragged

  ○filled up

  ○soaked through

  答案见下一页:

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