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SAT官方每日一题附答案和解析[写作](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老皇冠手机ag娱乐平台, 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 --

重点单词   查看全部解释    
comma ['kɔmə]

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n. 逗号,停顿,间歇 n. 银纹多角蛱蝶

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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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sustain [səs'tein]

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vt. 承受,支持,经受,维持,认可

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conserve ['kɔnsə:v,kən'sə:v]

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n. 蜜饯,果酱
vt. 保存,与糖放在一起,

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sufficient [sə'fiʃənt]

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老皇冠手机ag娱乐平台adj. 足够的,充分的

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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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cattle ['kætl]

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n. 牛,家畜,畜牲

 
element ['elimənt]

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n. 元素,成分,组成部分,(复数)恶劣天气

 
willing ['wiliŋ]

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adj. 愿意的,心甘情愿的

 
phrase [freiz]

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n. 短语,习语,个人风格,乐句
vt. 措词

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