单项选择题A.Searching for reference material.B.Watching a film of the 1930s’’.C.Writing a course book.D.Looking for a job in a movie studio.
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.