2. 外语
  3. The history of African—Americans during the past 400 years is traditionally narrated 【C1】______ an ongoing straggle against 【C

The history of African—Americans during the past 400 years is traditionally narrated 【C1】______ an ongoing straggle against 【C

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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.
【C6】
选项 A、have
B、to have
C、has
D、to has
答案C
解析 根据就近原则，谓语动词应与主语“fiber optics”保持一致，所以选用单数形式“has”。
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