A The Cost of Convenience B A Surprising Answer Given by the Economists C The Effect of Inflation D Middlemen’s Limited Share in

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问题 A The Cost of Convenience
B A Surprising Answer Given by the Economists
C The Effect of Inflation
D Middlemen’s Limited Share in the Additional Profit
E Farmers’ Denial of Increased Profit
F Housewives’ Need to Find Jobs
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选项

答案E

解析 对于省下的时间,家庭主妇可是要付钱的。那么她们是通过什么方式来节省时间的呢?这里需要填入的是一个表示节省时间方式的状语,by加上动词的-ing形式可用来表示方式方法。
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