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托福阅读句子简化题:Agriculture

2015-08-17 15:35:15来源:网络

  【托福阅读题型:Agriculture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:Agriculture

  【Paragraph 5】Unlike in the Americas, where metallurgy was a very late and limited development, Africans had iron from a relatively early date, developing ingenious furnaces to produce the high heat needed for production and to control the amount of air that reached the carbon and iron ore necessary for making iron. Much of Africa moved right into the Iron Age, taking the basic technology and adapting it to local conditions and resources.(Agriculture, Iron, and the Bantu Peoples)

  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.

  ○While American iron makers developed the latest furnaces, African iron makers continued using earlier  techniques.

  ○Africans produced iron much earlier than Americans, inventing technologically sophisticated heating systems.

  ○Iron making developed earlier in Africa than in the Americas because of the ready availability of carbon and iron ore.

  ○Both Africa and the Americas developed the capacity for making iron early, but African metallurgy developed at a slower rate.



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