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新托福阅读词汇150题(43)：dispersal&distribution

2015-08-12 10:53:13来源：网络

　　【新托福阅读词汇150题(43)：dispersal&distribution】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：dispersal&distribution。

　　Dandelions are good examples of opportunists. Their seed heads raised just high enough above the ground to catch the wind, the plants are no bigger than they need be, their stems are hollow, and all the rigidity comes from their water content. Thus, a minimum investment has been made in the body that becomes a platform for seed dispersal. These very short-lived plants reproduce prolifically; that is to say they provide a constant rain of seed in the neighborhood of parent plants. A new plant will spring up wherever a seed falls on a suitable soil surface, but because they do not build big bodies, they cannot compete with other plants for space, water, or sunlight. These plants are termed opportunists because they rely on their seeds’ falling into settings where competing plants have been removed by natural processes, such as along an eroding riverbank, on landslips, or where a tree falls and creates a gap in the forest canopy.【Online Test- Opportunists and Competitors】

　　5. The word “dispersal” in the passage is closest in meaning to

　　○development

　　○growth

　　○distribution

　　○protection

　　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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