题目

由于连续几年种植面积减少和天气的影响,大葱主产区的产量降低,2020年夏季至今,大葱价格显著变动。老百姓直呼:大葱卷煎饼吃不起。这一现象( )①反映了供求关系决定商品价格②是价值规律发生作用的结果③说明价格变动调节生产经营活动④表明价格变动影响消费需求A.①② B.①③ C.②④ D.③④We read them ________; we remember them________.   A. as young; as old                                         B. as younger; as older   C. when young; when old                                 D. when younger; when older
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