新GRE逻辑阅读 每日一练22

　　编辑点评： GRE阅读考试的材料，非常强调逻辑的关系，所以逻辑要点是大家在解GRE阅读题的时候的关键，本文就为大家例举了这样一篇逻辑短文，供大家参考和练习。

　　随着GRE阅读考试的难度日益增加，大家需要有针对性地进行练习，本文为大家例举的就是逻辑短文的练习，文末还附有答案，供大家更好地练习。

　　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 5 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?

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

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

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

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

　　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

　　答案：C

　　上文的题目大家答对了几题?大家不仅要多做题，更要善于总结，这样才会有针对性地提高。