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托福阅读词汇题:markedly&Essentially

2015-08-25 10:56:32来源:网络

  【托福阅读词汇题:markedly&Essentially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:markedly&Essentially

  Paragraph 4: Other dimensions along which the two groups differ markedly are density and composition. The densities of the terrestrial planets average about 5 times the density of water, whereas the Jovian planets have densities that average only 1.5 times the density of water. One of the outer planets, Saturn, has a density of only 0.7 that of water, which means that Saturn would float in water. Variations in the composition of the planets are largely responsible for the density differences. The substances that make up both groups of planets are divided into three groups—gases, rocks, and ices—based on their melting points. The terrestrial planets are mostly rocks: dense rocky and metallic material, with minor amounts of gases. The Jovian planets, on the other hand, contain a large percentage of the gases hydrogen and helium, with varying amounts of ices: mostly water, ammonia, and methane ices. 【TPO16- Planets in Our Solar System】

  2. The word markedly in the passage is closest in meaning to

  ○Essentially

  ○Typically

  ○Consistently

  ○noticeably

  答案见下一页:

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