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托福阅读词汇题：facilitates

2015-08-17 16:48:03来源：网络

　　【托福阅读题型：facilitates词汇题】托福阅读中词汇题是重要题型之一。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词汇题

　　托福阅读词汇题：facilitates

　　【Paragraph 3】Much of the research on nutrient deficiencies is based on growing plants hydroponically, that is, insoilless liquid nutrient solutions. This technique allows researchers to create solutions that selectively omit certain　nutrients and then observe the resulting effects on the plants. Hydroponics has applications beyond basic research,　since it facilitates the growing of greenhouse vegetables during winter. Aeroponics, a technique in which plants are　suspended and the roots misted with a nutrient solution, is another method for growing plants without soil.(Minerals and　Plants)

　　The word “facilitates” in the passage is closest in meaning to

　　○ slows down

　　○ affects

　　○ makes easier

　　○ focuses on

　　According to paragraph 3, what is the advantage of hydroponics for research on nutrient deficiencies in plants?

　　○ It allows researchers to control what nutrients a plant receives.

　　○ It allows researchers to observe the growth of a large number of plants simultaneously.

　　○ It is possible to directly observe the roots of plants.

　　○ It is unnecessary to keep misting plants with nutrient solutions.

　　The word “suspended” in the passage is closest in meaning to

　　○ grown

　　○ protected

　　○ spread out

　　○ hung

　　答案见下一页：

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