2015年职称英语考试（理工类C）真题及答案(文字版)

　　F.all-optical systems

　　第四部分：阅读理解

Why Buy Shade-Grown Coffee?

　　When people argue about whether coffee is good for health, they're usually thinking of the health of the coffee drinker. Is it food for your heart? Does it increase blood pressure? Does it help you concentrate? However, coffee affects the health of the human population in other ways, too.

　　Traditionally, coffee bushes were planted under the canopy(树冠)of taller indigenous(土生土长的)trees. However, more and more farmers in Latin America are deforesting the land to grow full-sun coffees. At first, this increases production because more coffee bushes can be planted if there aren’t any trees. With increased production come increased profits.

　　Unfortunately, deforesting for coffee production immediately decreases local-wildlife habitat. Native birds nest and hide from predators(捕食者)in the tall trees and migrating birds rest there.

　　Furthermore, in the long term, the full-sun method also damages the ecosystem because more chemical fertilizers and pesticides are needed to grow the coffee. The fertilizers and pesticides kill insects that eat coffee plant, but then the birds eat the poisoned insects and also die. The chemicals kill or sicken other animals as well, and can even enter the water that people will eventually drink.

　　Fortunately, farmers in Central and South America are beginning to grow more coffee bushes in the shade. We can support these farmers by buying coffee with such labels as "shade grown" and "bird friendly." Sure, these varieties might cost a little more. But we're paying for the health of the birds, the land, ourselves, and the planet. I think it's worth it.

　　31.【题干】What is the main idea of this passage? 文章的主旨是

　　A.Farmers are changing the way they grow coffee. 农民正改变他们种咖啡的方式

　　B.Coffee is becoming more expensive to produce. 种植咖啡越来越贵

　　C.Shade-grow coffee is more expensive than sun-grow coffee. 蔽光生长的咖啡比向光生长的咖啡贵

　　D.People should buy shade-grown coffee. 人们应该买蔽光生长的咖啡

　　32.【题干】The function of the word "Traditionally" in Paragraph 2 is to show_____. 段落2中的traditionally 作用是来显示

　　A.the positive effects of coffee. 咖啡的积极作用

　　B.a change of coffee growth. 咖啡种植的变化

　　C.something that is the most important. 最重要的事情

　　D.how coffee production used to be. 咖啡生产过去如何

　　33.【题干】What does increased production of full-sun coffee bring about?

　　【选项】阳光充足的咖啡增加的产量带来什么?

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