at seven oclock sharp 七点整

　　a sharp knife 锋利的小刀

　　a sharp turn to the left 向左急转

　　Compare vt比较;对照; 比作

　　e.g. Mans life is often compared to a candle.

　　人生常被喻为蜡烛。

　　e.g. Living in a town cant compare with living in the country in many respects.

　　在许多方面城市生活比不上在乡村生活。

　　Blame vt. 责备

　　e.g. They blamed the secretary for the delay of the plan.

　　他们怪罪秘书造成计划延误。

　　be to blame 应受谴责

　　e.g. The driver was not to blame for the traffic accident.

　　那次交通事故不应该责怪司机。

　　A The Cost of Convenience

　　B A Surprising Answer Given by the Economists

　　C The Effect of Inflation

　　D Middlemens Limited Share in the Additional Profit

　　F Housewives Need to Find Jobs

　　4 Of the $1,311 family food bill in 1972, middlemen received $790, which was 33 percent more than they had received in 1959. It appears that the middlemens profit has increased more than farmers. But some economists claim that the middlemans actual profit was very low. According to economists at the First National City Bank, the profit for meat packers and food stores amounted to less than one percent. During the same period all others manufacturers were making a profit of more than 5 per cent. By comparison with other members of the economic system both farmers and middlemen have profited surprisingly little from the rise in food prices.

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