题目

About 698,000 laptops were sold in China in          second quarter,        12.1% in crease from a year ago.     A．a; a         B．the; a       C．the; the     D．a; the   答案： B 序数词前用定冠词the, the second quarter“第二季度”，increase “增长率”用不定冠词修饰，表泛指意思是和去年相比增加了12.1%。  

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