单项选择题

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

A．A system which trains doctors.
B．A group of experts who can provide professional advice.
C．A computer program which can provide professional advice.
D．A system which trains computer experts.
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单项选择题
A．She wants to return the skirt her husband bought.B．She wants to buy another skirt.C．She wants to change the blue skirt for a yellow one.D．She wants to change the yellow skirt for a blue one.
A．She wants to return the skirt her husband bought.
B．She wants to buy another skirt.
C．She wants to change the blue skirt for a yellow one.
D．She wants to change the yellow skirt for a blue one.
单项选择题
A．To protect people and property.B．To collect taxes.C．To teach and train citizens.D．To save natural resources for future use.
A．To protect people and property.
B．To collect taxes.
C．To teach and train citizens.
D．To save natural resources for future use.
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