2. 外语
  3. Hardship did not end with freedom. There were【C1】______ regional variation in both the status and【C2】______of free blacks during

Hardship did not end with freedom. There were【C1】______ regional variation in both the status and【C2】______of free blacks during

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问题     Hardship did not end with freedom. There were【C1】______ regional variation in both the status and【C2】______of free blacks during that period. Free blacks in the north were excluded from most public schools,【C3】______ from interstate travel, barred from voting in many states, and often attacked by【C4】______whites. Finding a(n)【C5】______job in the North was extremely difficult. Jobs【C6】______ to free blacks were limited【C7】______domestic service and farming. 【C8】______,the jobs that were available to free blacks were found【C9】______in urban cities, such as Boston, Philadelphia, and New York. 【C10】______a time when less than 20 percent of all Americans【C11】______ in urban areas, 60 percent of Northern free blacks lived in major urban cities.
    In the Deep South less than 2 percent of the black population was classified as free in 1860. Often【C12】______as Creoles(克里奥尔人)or mulattoes(黑白混血儿), a significant【C13】______ of free blacks in the Deep South were wealthy, light-skinned aristocrats. Some Creoles【C14】______ dark-skinned free blacks, and many despised the negative stigma that was【C15】______with being black. The free black elite in cities such as Mobile, Alabama【C16】______themselves on their fine clothing and "respectable" air. Whites in the Deep South【C17】______the few free blacks mainly as day laborers and domestic servants.【C18】______ free blacks worked as carpenters, mechanics, and tailors. The large personal【C19】______of a few free blacks in the Deep South【C20】______them to own slaves. Many bought slaves in an effort to protect family members, but others sought to expand personal fortunes.
【C10】
选项 A、On
B、Upon
C、At
D、For
答案C
解析 语法题。分析句子结构可知，when引导的定语从句修饰time，而此处的time是可数名词，表示“时期，一段时间”，空格处要求填入一个介词，表示“在一个……的时期”。[C]At表示“在某一个时间点上”，符合文意，故为正确答案。由于On和Upon一般不能和a time连用。所以可以直接排除[A]和[B]； For a time表示动作持续了一段时间，要求谓语是完成时态，而原句的谓语并不是完成时态，故排除[D]For。
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