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161. The dancer's performing style was ______ and ______ with each move taken from another artist, and poorly executed at that.
A. rousing, memorable
B. pedestrian, evolving
C. chaotic, unprecedented
D. derivative, inept
E. spontaneous, graceless
162. Lewis Latimer's inexpensive method of producing carbon filaments ______ the nascent electric industry by making electric lamps commercially ______ .
A. cheapened, affordable
B. transformed, viable
C. revolutionized, prohibitive
D. provoked, improbable
E. stimulated, inaccessible
