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新托福阅读植物类话题词汇及长短句

来源:朗阁教育 2013-01-07 编辑:PMC_ivy 雅思托福0元试学

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文章标题:Timberline Vegetation on Mountains (TPO1 Passage 1)所属话题:生命科学类之植物类 文章体裁:科技说明文

文章标题Timberline Vegetation on Mountains TPO1 Passage 1

所属话题生命科学类之植物类

文章体裁科技说明文

文章结构原因(cause/结果effect

难度系数文章难度★★★★         题目难度★★

各题型数量

词汇题(4题)         直接事实题(3题)   否定排除题(1题)

推论题(1题)         句子简化题(1题)   指代题(1题)

修辞目的题(1题)   插入文本题(1题)   摘要题(1题)

 

高频话题词总结

timberline     树带界限

vegetation    植物、草木

transition     过渡、转变、变迁

vertical       垂直的、竖立的

upper         上面的、地表层的

semiarid      半干旱的、半旱性的

moisture      水分、湿度、潮湿

tropics        热带地区

polar          极地的

evergreen     常绿植物、常绿树

species        物种、种类

deform        使变形、使变丑

latitude        维度

valley          山谷、峡谷、谷地

attain          达到、获得

expose         揭露、使暴露

prone          易于的,有倾向的

cessation      (暂时)停止、中断

mature         成熟、长成

sufficient       足够的、充足的

alpine tundra   高山冻原

adjacent        邻近、毗邻

diversity        多样性

occasional      偶尔的、间或的

microhabitat    小栖息地

striking          显著的、引人注目的

characteristic   特征、特色

crucial          关键的、极其显要的

insulation       绝缘、绝缘或者隔热的材料

prevalent       流行、普遍存在、普遍发生

 

长难句:

1. This is particularly true for trees in the middle and upper latitudes, which tend to attain greater height on ridges, whereas in the tropics the trees reach their greater height in the valleys.

 

分析:主句为This is particularly true for trees in the middle and upper latitudes; which tend to attain greater height on ridges为定语从句trees的定语,关系词为which; whereas in the tropics the trees reach their greater height in the valleys为表示对比的状语从句,由whereas引导。

 

2. Probably the most important environmental factor is temperature, for if the growing season is too short and temperatures are too low, tree shoots buds cannot mature sufficiently to survive the winter months.

 

分析:主句为the most important environmental factor is temperature; for if the growing season is too short and temperatures are too low, tree shoots buds cannot mature sufficiently to survive the winter months”for连接的原因状语从句;if the growing season is too short and temperatures are too low为此原因状语从句中的条件状语从句,由if引导。

 

3. Immediately adjacent to the timberline, the tundra consists of a fairly complete cover of low-lying shrubs, herbs, and grasses, while higher up the number and diversity of species decrease until there is much bare ground with occasional mosses and lichens and some prostrate cushion plants.

 

分析:主句为the tundra consists of a fairly complete cover of low-lying shrubs, herbs, and grasses; Immediately adjacent to the timberline”为前置定语,做the tundra的定语;while higher up the number and diversity of species decrease until there is much bare ground with occasional mosses and lichens and some prostrate cushion plants.为表示对比的状语从句,由while引导;until there is much bare

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