What is the significance of the contrast between the plain exterior of the Oratory of
Galla Placidia (Figs. 7-18, 7-19, 7-20) and its highly decorated interior?
A. It reflects the economic needs to limit the decorative programs of churches.
B. It symbolizes the transition from the real world into a supernatural realm.
C. It is the result of later generations stripping the original decoration from the exterior.
D. It symbolizes Christianity’s development from humble origins to a great religion.
What feature of Southwestern pictographs is NOT shared by the prehistoric cave
paintings found in Europe?
A. They depict animals and human figures.
B. They may record a successful hunting expedition.
C. They were made by scraping away the brown bacteria on the canyon wall.
D. They may have ritual significance.
The development of structural steel and the ________ were essential to the
development of the modern skyscraper.