单项选择题

In regard to the production of goods in greater quantities, the author states that （）

A．the price of the goods would drop
B．the price of the goods would rise
C．the quality and the price would rise
D．the quality would rise and the price would drop

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单项选择题

80（）

A．getting
B．winning
C．finding
D．undergoing

单项选择题

79（）

A．every
B．that
C．a
D．no