单项选择题

What does the woman remind the man about

A．That taste buds aren’t located only on the tongue.
B．That taste buds aren't all the same size.
C．That solutions must be measured and mixed careful.
D．That he shouldn’t swallow the solutions.

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单项选择题

What does Johnny not plan to do in future

A．Continue to play football.
B．Train young footballers.
C．Work in football.
D．Write a book about football.

单项选择题

What is the main purpose of the lab experiment

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.