The history of African—Americans during the past 400 years is traditionally

游客2025-04-16 13

问题    The history of African—Americans during the past 400 years is traditionally narrated  【C1】______  an ongoing straggle against 【C2】______ and indifference on the part of the American mainstream, and a struggle 【C3】______  as an upward movement is 【C4】______ toward ever more justice and opportunity.
   Technology in and of【C5】______ is not at fault; it’s much too simple to say that gunpowder or agricultural machinery or fiber optics 【C6】______ been the enemy of an  【C7】______ group of people. A certain machine is put 【C8】______ work in a certain way--the purpose 【C9】______ which it was designed. The people who design the machines are not intent on unleashing chaos; they are usually trying to  【C10】______ a task more quickly, cleanly, or cheaply, 【C11】______ the imperative of innovation and efficiency that has ruled Western civilization  【C12】______  the Renaissance.
   Mastery of technology is second only 【C13】______ money as the true measure of accomplishment in this country, and it is very likely that by 【C14】______ this under-representation in the technological realm, and by not questioning and examining the folkways that have 【C15】______ it, blacks are allowing  【C16】______  to be kept out of the mainstream once again. This time, however, they will be 【C17】______ from the greatest cash engine of the twenty-first century. Inner-city blacks in particular are in danger, and the beautiful suburbs  【C18】______ ring the decay of Hartford, shed the past and learn to exist without contemplating or encountering the tragedy of the inner city.
   And blacks must change as well. Tile ways that  【C19】______ their ancestors through captivity and coming to freedom have begun to loose their utility. If blacks  【C20】______ to survive as full participants in this society, they have to understand what works now. [br] 【C19】

选项 A、servicing
B、encircle
C、encircling
D、served

答案 D

解析 served适合[用，宜]于(祖先)，用过去时。

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