We should remember ___ people are still very poor.
A. millions of
B. million of
C. millons
D. million
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When she was in _________ , she got married.
A. her twentieth
B. her twenties
C. the twenties
D. the twentieth
红牛集团长期以来致力于生产功能性饮料，以满足某些消费者的需求。它采取的是哪一种市场覆盖战略？（）
A. 无差异性营销
B. 差异性营销
C. 集中营销
D. 以上都不对
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