What does the author state is the most important reason men die five years earlier on average than women?
A. men drink and smoke much more than women
B. men don’t seek medical care as often as women
C. men aren’t as cautions as women in face of danger
D. men are more likely to suffer from fatal diseases
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10 The company recommended that a new petrol station be built here.
A demanded B suggested C insisted D ordered
What was the main concern of industrialists before the marketing concept was widely
A. The needs of the market.
B. The efficiency of production.
C. The satisfaction of the user.
D. The preferences of the dealer.
投资者常常使用折价率反映封闭式基金份额净值与封闭式基金二级市场价格之间的关系。折(溢)价率的计算公式为()。