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新托福阅读词汇150题(115)：accumulated&excluded

2015-08-17 11:29:51来源：网络

　　【新托福阅读词汇150题(115)：accumulated&excluded】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：accumulated&excluded。

　　Paragraph 5: A green iceberg that stranded just west of the Amery Ice Shelf showed two distinct layers: bubbly blue-white ice and bubble-free green ice separated by a one-meter-long ice layer containing sediments. The green ice portion was textured by seawater erosion. Where cracks were present, the color was light green because of light scattering; where no cracks were present, the color was dark green. No air bubbles were present in the green ice, suggesting that the ice was not formed from the compression of snow but instead from the freezing of seawater. Large concentrations of single-celled organisms with green pigments (coloring substances) occur along the edges of the ice shelves in this region, and the seawater is rich in their decomposing organic material. The green iceberg did not contain large amounts of particles from these organisms, but the ice had accumulated dissolved organic matter from the seawater. It appears that unlike salt, dissolved organic substances are not excluded from the ice in the freezing process. Analysis shows that the dissolved organic material absorbs enough blue wavelengths from solar light to make the ice appear green. 【OG Test 2- Green Icebergs】

　　8. The word “accumulated” in the passage is closest in meaning to

　　○collected

　　○frozen

　　○released

　　○ covered

　　9. The word “excluded” in the passage is closest in meaning to

　　○ kept out

　　○ compressed

　　○ damaged

　　○ gathered together

　　10. The word “accrete” in the passage is closest in meaning to

　　○advance

　　○transfer

　　○flatten out

　　○come together

　　答案见下一页：

本文关键字: 新托福阅读 托福阅读词汇 托福词汇

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