253. The crude animated effects ______ projected images from seventeenth-century lantern slides have now been recognized as ______ of modern film animation.
A. complemented by, antecedents
B. forestalled by, harbingers
C. depicted in, derivatives
D. featured in, replicas
E. afforded by, forerunners

254. The ______ of impact craters on Venus suggests that erosion may have smoothed its surface over the past billion years.
A. magnitude
B. panoply
C. spate
D. ruggedness
E. paucity

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