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托福阅读句子简化题：The Evolutionary Origin of Plants

2015-08-20 18:29:31来源：网络

　　【托福阅读题型：The Evolutionary Origin of Plants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：The Evolutionary Origin of Plants

　　【Paragraph 4】The terrestrial world is green now, but it did not start out that way. When plants first made the　　transition ashore more than 400 million years ago, the land was barren and desolate, inhospitable to life. From a plant’s　evolutionary view point, however, it was also a land of opportunity, free of competitors and predators and full of carbon　dioxide and sunlight (the raw materials for photosynthesis, which are present in far higher concentrations in air than in　water).So once natural selection had shaped the adaptations that helped plants overcome the obstacles to terrestrialliving, plants prospered and diversified.(The Evolutionary Origin of Plants)

　　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.

　　○ Terrestrial plants had the advantages of not having rivals and having easy access to photosynthetic material

　　○ The abundance of photosynthetic material made life on land easier for pioneering plants

　　○ Once plants had eliminated their competitors and their predators, their evolutionary process proceeded smoothly.

　　○ Plant evolution eliminated competitors and made the process of photosynthesis more efficient.

　　答案见下一页：

本文关键字: 托福阅读句子简化题：The surface of Mars

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