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                          SAT官方每日一題附答案和解析[寫作](2019年5月9日)

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                          Writing & Language

                          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. 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. 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.

                          A.NO CHANGE
                          B.explorer John Wesley Powell,
                          C.explorer, John Wesley Powell
                          D.explorer -- John Wesley Powell --

                          重點單詞   查看全部解釋    
                          element ['elimənt]

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                          n. 元素,成分,組成部分,(復數)惡劣天氣

                           
                          comma ['kɔmə]

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                          n. 逗號,停頓,間歇 n. 銀紋多角蛺蝶

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                          sustain [səs'tein]

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                          vt. 承受,支持,經受,維持,認可

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                          phrase [freiz]

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                          n. 短語,習語,個人風格,樂句
                          vt. 措詞

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                          cattle ['kætl]

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                          n. 牛,家畜,畜牲

                           
                          conserve ['kɔnsə:v,kən'sə:v]

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                          n. 蜜餞,果醬
                          vt. 保存,與糖放在一起,

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                          impossible [im'pɔsəbl]

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                          adj. 不可能的,做不到的
                          adj.

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                          primary ['praiməri]

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                          adj. 主要的,初期的,根本的,初等教育的

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                          willing ['wiliŋ]

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                          adj. 愿意的,心甘情愿的

                           
                          sufficient [sə'fiʃənt]

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                          adj. 足夠的,充分的

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