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【单选题】
钢结构工程施工质量验收规范（GB50205-2001）：分项工程检验批合格质量标准应符合下列规定：一般项目其检验结果应有（）及以上的检查点（值）符合本规范合格质量标准的要求，且最大值不应超过其允许偏差值的（）倍A.
80%，1.5
B.
90%，1.2
C.
70%，1.3
D.
80%，1.2
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【简答题】The Early History of Harvard University Harvard University, which celebrated its 350th anniversary in 1986, is the oldest institution of higher learning in the United States. Founded 16 years after th...
【单选题】The two Harvard economists note in their study that, for much of the 20th century, ________.
A.
enrollment kept decreasing in virtually all American colleges and universities
B.
the labor market preferred high-school to college graduates
C.
competition for university admissions was far more fierce than today
D.
the gap between the earnings of college and high-school graduates narrowed
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