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GRE阅读题目解析:植物的叶子

2017-03-23 09:54:00来源：网络

　　【GRE阅读题目解析:植物的叶子】GRE考试考什么？GRE阅读是重点。新东方在线GRE频道为大家带来GRE阅读题目解析:植物的叶子，答案见下一页，希望对大家GRE备考有所帮助。更多精彩尽请关注新东方在线GRE频道!

　　查看全部：GRE阅读答案解析(汇总)

　　GRE阅读题目解析:植物的叶子

　　P4

　　It is one of nature‘s great ironies that the availability of nitrogen in the soil frequently sets an upper limit on plant growth even though the plants‘ leaves are bathed in a sea of nitrogen gas.

　　The leguminous plants—among them crop plants such as soybeans, peas, alfalfa, and clover—have solved the nitrogen supply problem by entering into a symbiotic relationship with the bacterial genus Rhizobium.

　　10. Which of the following situations is most closely analogous to the situation described by the author as one of nature‘s great ironies?

　　(A) That of a farmer whose crops have failed because the normal midseason rains did not materialize and no preparations for irrigation had been made

　　(B) That of a long-distance runner who loses a marathon race because of a wrong turn that cost him twenty seconds

　　(C) That of shipwrecked sailors at sea in a lifeboat, with one flask of drinking water to share among them

　　(D) That of a motorist who runs out of gas a mere five miles from the nearest gas station

　　(E) That of travelers who want to reach their destination as fast and as cheaply as possible, but find that cost increases as travel speed increases

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