赞题库-背景图
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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热门试题

单项选择题A．Apple pies.B．Ice cream.C．Chocolate cakes.D．Nothing:

A．Apple pies.
B．Ice cream.
C．Chocolate cakes.
D．Nothing:

单项选择题A．His own room.B．A lot of friends.C．A babysister.D．A lot of toys.

A．His own room.
B．A lot of friends.
C．A babysister.
D．A lot of toys.