单项选择题

A．To see how certain chemicals produce different flavors.
B．To determine if a person can distinguish salty and sweet solutions.
C．To map the location of taste buds.
D．To count the number of taste buds.
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单项选择题
A．To collect taxes.B．To save public lands for future use.C．To protect people and property.D．To train public officials.
A．To collect taxes.
B．To save public lands for future use.
C．To protect people and property.
D．To train public officials.
单项选择题
A．He is ready to help Prof. Wang.B．He will congratulate Prof. Wang.C．He will pay a visit to Prof. Wang.D．He will tell Prof. Wang the good news.
A．He is ready to help Prof. Wang.
B．He will congratulate Prof. Wang.
C．He will pay a visit to Prof. Wang.
D．He will tell Prof. Wang the good news.
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