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托福阅读否定事实信息题合集之TPO22-3

信息来源:网络  发布时间:2015-06-15

  托福阅读否定事实信息题是阅读考试十大题型之一,通常每篇阅读中都会出现;tpo是托福阅读备考最权威的材料,所以托福小编综合二者,为大家集中整理了tpo阅读中考察的否定事实信息题及其对应的解析,供大家参考使用。本文带来的是TPO22-3的否定事实信息题,一起来看看吧。

  TPO22-3 SThe Allende Meteorite

  Paragraph 4

  Equally perplexing constituents of Allende are the refractory inclusions: irregular white masses that tend to be larger than chondrules. They are composed of minerals uncommon on Earth, all rich in calcium, aluminum, and titanium, the most refractory (resistant to melting) of the major elements in the nebula. The same minerals that occur in refractory inclusions are believed to be the earliest-formed substances to have condensed out of the solar nebula. However, studies of the textures of inclusions reveal that the order in which the minerals appeared in the inclusions varies from inclusion to inclusion, and often does not match the theoretical condensation sequence for those metals.

  1. According to paragraph 4, all of the following are true about the minerals found in the refractory inclusions EXCEPT:

  A. These minerals are among the most resistant to melting of all the major elements in the solar nebula.

  B. These minerals are believed to be some of the first elements to have condensed out of the solar nebula.

  C. These minerals are among the least commonly found elements on Earth.

  D. These elements occur in the order that scientists would have predicted.

  解析:EXCEPT题,排除法。A的most resistant to melting做关键词和C的least commonly found都定位至第二句,正确,都不选;B的first elements做关键词定位至第三句,earliest- formed与first同义替换,正确,不选;D的order做关键词定位至最后一句,最后一句说order varies from inclusion to inclusion,所以scientist不能预测,D说反,选

  [4]同样令人困惑的是阿伦德陨星的成分是耐高温的内含物:比陨石球粒要大些的不规则的白色团块。它们是由地球上罕见的矿物质组成的,富含钙、铝以及在星云中最耐高温的(耐熔化的)主要元素钛。这些出现在耐高温内含物中相同的矿物质被认为是在太阳星云中最早凝结而成的物质。然而,对内含物质地的研究发现不同的内含物中矿物质出现的顺序并不相同,往往与理论上这些金属的凝结序列不一致。

  以上就是托福阅读TPO22-3中的否定事实信息题及其解析,大家可以在备考的时候参考复习,希望能够帮助大家的考前准备。最后前程百利祝大家都能取得理想的托福考试   成绩。

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