Passage One Questions 26 to 28 are based on the passage you have just heard.

A．People enjoy shopping in them.
B．People spend little time in them.
C．People are more likely to buy something in them if time is limited.
D．People spend too much time reading articles about quick cures sold in drugstores.

A．A standard unit for measuring weight.
B．How to care for precious metals.
C．The value of precious metals.
D．Using the metric system.