单项选择题

A．How to care for precious metals.
B．A standard unit for measuring weight.
C．The value of precious metals.
D．Using the metric system.
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单项选择题
A．A bus station.B．An airport.C．A super highway.D．A train station.
A．A bus station.
B．An airport.
C．A super highway.
D．A train station.
单项选择题
A．The Englishmen’’s habits.B．The Englishmen’’s accent.C．The Englishmen’’s character.D．The Englishmen’’s teaching styles.
A．The Englishmen’’s habits.
B．The Englishmen’’s accent.
C．The Englishmen’’s character.
D．The Englishmen’’s teaching styles.
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