A.  gained B. derive C. mentioned D. stumped E. surpassed F. heavily G. retorted H. artistic I. determine J. distorted K. analytical L. identically M. opposite N. luminous O.responsible Have you ever heard people say that they tend to be more of a right-brain or left-brain thinker? From books to television programs, you have probably heard the term 1) numerous times, or perhaps you have even taken an online test to 2) which type best describes you. Do different parts of the brain really control different bodily and mental functions? Over the years, a theory that has 3) in popularity is that the right brain and the left brain are 4) for different modes of thought and that the way in which a person thinks will depend on which side of his brain works more actively. People who rely more 5) on the right half of their brain tend to be more imaginative and spontaneous. They are interested in patterns, shapes and sizes, for the right brain is associated with 6) ability like singing, painting, writing poetry, etc. Left-brain dominated people are quite 7) in the way they think. They tend to be more logical and 8) in their thinking and usually stand out in mathematics and word skills.