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  3. 共用题干 第一篇What are the advantages and disadvantages of greenhouse technology?T...

共用题干 第一篇What are the advantages and disadvantages of greenhouse technology?T...

admin2020-12-24  10
问题 共用题干
第一篇

What are the advantages and disadvantages of greenhouse technology?

There are many benefits of using greenhouses.Firstly,by using it,the productivity of the crop is increased considerably.Secondly,a superior quality can be obtained as they are grown under a better controlled environment. Thirdly,the percentage of germination of seeds is high in greenhouses.Finally,greenhouses allow an effective control of pests and diseases as the growing area is enclosed.
However,it has many disadvantages.On the one hand,greenhouses require a lot of work and constant maintenance.On the other hand,it is expensive to construct since gardeners will spend more money to buy a prefabricated greenhouse or to build a greenhouse than to plant directly in the ground or containers.Also,if Gardeners want to build their own greenhouses,they must pay highly for construction materials and sometimes,for additional labour. Moreover,greenhouses needs more space and homeowners need a very large space in their backyards or gardens for the greenhouse.Finally,the maintenance of the equipments used in greenhouses necessitates a lot of money and control.
选项 What does the word"enclose"mean here?
A:be close to
B:put in an envelope
C:surround completely
D:introduce
答案C
解析本题是细节考查题。文章原文是“… by using it , the productivity of the crop is increased considerably”。
本题是细节考查题。文章原文是“…greenhouses allow an effective control of pests and diseases as the growing area is enclosed”。
本题考查读者的阅读理解能力。enclose在本句的意思是“完全封闭”。
本题是细节考查题。文章原文是“…the maintenance of the equipments used in greenhouses necessitates a lot of money and control”。
本题考查考生的阅读理解能力。文章的作者只是客观地指出了温室技术的优缺点，并没有提出个人对这项技术的观点。
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