2018年SAT语法知识考前模拟练习（1）

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　　One of the primary shortcomings of the Homestead Act of 1862, a program through which the federal government offered free plots of land to US citizens willing to establish farms in the American West, was that the plots were too small to sustain a farm. Plots in the Great Plains were best left half unplanted each growing season to conserve water. The Great Plains region received twenty or fewer inches of rain per year and was considered semiarid. With farms consisting of a mere 160 acres, however, this practice would not have produced sufficient harvests. Moreover, raising cattle was impossible because the tiny homesteads would quickly become overgrazed. According to geologist and explorer John Wesley Powell, sustainable homesteads on the Great Plains actually needed to be a staggering 2,560 acres.

　　Which choice most effectively combines the underlined sentences?

　　下列哪句最有效地整合文中画线处的句子

　　A.Receiving twenty or fewer inches of rain per year, land in the Great Plains was best left half unplanted each growing season; the reason for this was to conserve water in this semiarid region.

　　B.To conserve water, land in the semiarid Great Plains region was best left half unplanted each growing season; consequently, this region received twenty or fewer inches of rain per year.

　　C.Land in the Great Plains region, being semiarid, was best left half unplanted each growing season to conserve water, and it received twenty or fewer inches of rain per year.

　　D.Land in the semiarid Great Plains region received twenty or fewer inches of rain per year, so plots there were best left half unplanted each growing season to conserve water.

　　答案：D

　　解析：

　　Choice D is the best answer because it most effectively combines the sentences in a logical and efficientway. The coordinating conjunction "so" indicates the cause-effect relationship between the sentences.

　　SAT语法推荐词汇

　　conserve['kɔnsə:v,kən'sə:v]n. 蜜饯，果酱vt. 保存，与糖放在一起

　　logical['lɔdʒikəl]adj. 符合逻辑的，逻辑上的，有推理能力的

　　sufficient[sə'fiʃənt]adj. 足够的，充分的

　　effectively[i'fektivli]adv. 事实上，有效地

　　consequently['kɔnsikwəntli]adv. 所以，因此

　　primary['praiməri]adj. 主要的，初期的，根本的，初等教育的

　　impossible[im'pɔsəbl]adj. 不可能的，做不到的

　　sustain[səs'tein]vt. 承受，支持，经受，维持，认可

　　efficient[i'fiʃənt]adj. 效率高的，胜任的

　　willing['wiliŋ]adj. 愿意的，心甘情愿的

　　今天小编就和大家分享以上内容，希望大家能够熟练掌握，对同学们2018年SAT考试会有所帮助的，小编会继续更新SAT数学技巧，SAT词汇，SAT阅读提升，SAT学习等相关内容。