Passage Three
Questions 33 to 35 are based on the passage you have just heard

A．The teachers will know the students much better.
B．Every student can have more resources to share.
C．More activities are provided for the individual student.
D．Every student’s potential can be well-developed.

A．How should we care for precious metal.
B．A standard unit for measuring weight.
C．How to judge the value of precious metals.
D．An introduction of the metric system.