問題詳情

Questions 1-10By far the most important United States export product in the eighteenth andnineteenth centuries was cotton, favored by the European textile industry over flax orwool because it was easy to process and soft to tile touch. Mechanization of spinningLine and weaving allowed significant centralization and expansion in the textile industry during(5) this period, and at the same time the demand for cotton increased dramatically. Americanproducers were able to meet this demand largely because of tile invention of the cotton ginby Eli Whitney in 1793. Cotton could be grown throughout the South, but separating thefiber---or lint--from the seed was a laborious process. Sea island cotton was relativelyeasy to process by hand, because its fibers were long and seeds were concentrated at the(10) base of the flower, but it demanded a long growing season, available only along thenation's eastern seacoast. Short-staple cotton required a much shorter growing season,but the shortness of the fibers and their mixture with seeds meant that a worker couldhand-process only about one pound per day. Whitney's gin was a hand-powered machinewith revolving drums and metal teeth to pull cotton fibers away from seeds. Using the gin,(15) a worker could produce up to '50 pounds of lint a day. The later development of largergins, powered by horses, water, or steam, multiplied productivity further.The interaction of improved processing and high demand led to the rapid spread ofthe cultivation of cotton and to a surge in production. It became the main Americanexport, dwarfing all others. In 1802, cotton composed 14 percent of total American(20))exports by value. Cotton had a 36 percent share by 1810 and over a 50 percent sharein 1830. In 1860, 61 percent of the value of American exports was represented by cotton.In contrast, wheat and wheat flour composed only 6 percent of the value of Americanexports in that year. Clearly, cotton was king in the trade of the young republic. Thegrowing market for cotton and other American agricultural products led to an(25) unprecedented expansion of agricultural settlement, mostly in the eastern half of theUnited States---west of the Appalachian Mountains and east of the Mississippi River.
1. The main point of the passage is that the eighteenth and nineteenth centuries were a time when
(A) the European textile industry increased its demand for American export products
(B) mechanization of spinning and weaving dramatically changed the textile industry
(C) cotton became a profitable crop but was still time-consuming to process
(D) cotton became the most important American export product

參考答案

答案：D
難度：簡單0.75
統計：A(0),B(1),C(0),D(3),E(0)

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