相信大家都明白这样一个道理：想要学好英语，必须不断的，大量的吸收和积累，那么雅思阅读无疑是这样的一种“输入”过程，因此，小编每天会根据剑桥真题中阅读的主题为大家节选一段相关文章，并作相关注解，希望对大家的词汇句型积累有所帮助。今天，我们来看下雅思阅读拓展之热带雨林。
The rain forest is nearly self-watering. Plants release water into the atmosphere through a process called transpiration. In the tropics, each canopy tree can release about 200 gallons (760 liters) of water each year. The moisture helps create the thick cloud cover that hangs over most rain forests. Even when not raining, these clouds keep the rain forest humid and warm.
Plants in the rain forest grow very close together and contend with the constant threat of insect predators. They have adapted by making chemicals that researchers have found useful as medicines. Bioprospecting, or going into the rain forest in search of plants that can be used in foods, cosmetics, and medicines, has become big business during the past decade, and the amount that native communities are compensated for this varies from almost nothing to a share in later profits.
一、 词汇解析：
1. self-watering plant 自我灌溉的植物
例：In the forest，most plants are self-watering plants which release water into the atmosphere.
2. tropics 热带地区
例： I went to the tropics for the first time last year.
3. canopy 天蓬，华盖，苍穹
例：Today, the canopy of the heavens is grey
4. canopy tree 冠层树种
例：I`d like to take a adventure in forest which is full of canopy trees.
5. moisture 水分，湿度，降雨量
例：When the soil is dry, more moisture is lost from the plant.
6. thick cloud 密云，深厚云层
例：A thick cloud masked the sun.
7. hang over 笼罩，威胁
例：The lights my father and I installed still hang over the counter.
8. contend with 对付，与……作斗争
例：It is hard to contend with illness.
9. predator 捕食者，食肉动物
例：In fact, it is human being that is the top predator of food chain.
10. Bioprospecting 生物勘探
例：Her husband is a scientist whose main work is bioprospecting.
11. Cosmetic 化妆品，装饰品
例：The cosmetic brand is her favorite.
12. compensate for 赔偿，补偿
例：Nothing can compensate for the loss of one's health.
二、 长难句解析：
Bioprospecting, or going into the rain forest in search of plants that can be used in foods, cosmetics, and medicines, has become big business during the past decade, and the amount that native communities are compensated for this varies from almost nothing to a share in later profits.
生物勘探，或者进入雨林中寻找的那些能用于食物，化妆品和药物方面的植物，这已经在过去的十年当中成为了大生意，而本地群落从这些变化中所受到的赔偿数额几乎不占之后利润的一分钱。
这句话中，主语是Bioprospecting，going into the rain forest in search of plants是Bioprospecting的并列成分，that引导的定语从句修饰plants，谓语是has become，big business是宾语，during之后是时间状语。逗号之后的第二句话中，the amount是主语，that引导的定从修饰amount。
以上就是前程百利雅思小编为大家整理的雅思阅读拓展之热带雨林，非常实用，希望对大家的雅思备考有所帮助。更多资讯、资料尽在前程百利雅思网站，您也可以直接拨打服务热线400-890-6000，我们有最专业的雅思专家为您详细解答。最后，雅思小编预祝大家在雅思考试中取得好成绩!
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