As you may _________, he was in the army then.
A. memorize
B. recall
C. remind
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He was _______ how the readers' tastes have changed.
A. remembered
B. memorized
C. recalled
D. reminded
所有连锁超市的采购组织结构都是一样的
A. 对
B. 错
采购是降低商品总成本的一个重要环节
A. 对
B. 错
为保证销售双方的权益,采购时不用签订采购合同
A. 对
B. 错