1 A) less than 600 feet high. B) between 600 and 1,000 feet high. C) greater than 1,000 feet high. D) greater than 2,000 feet high. 2 not a challenge or problem in designing skyscrapers?A) strict limitation on the square footage, or total floor area B) the need for avenues of escape in case of fire C) the probability that lightning will strike the structure D) the necessity of resisting strong winds 3 A) girders, trusses, and arches B) more studs and rafters C) additional drywall and caulking D) stick construction 4 A) brick pavement laid on sand B) concrete strengthened with steel bars or mesh C) asphalt over a gravel base D) flat stone blocks mortared together 5 except A) subgrade B) surface layer C) base D) abutment 6 except A) to provide water for irrigation on farms. B) to control flooding along a stream. C) to protect endangered species. D) to generate electricity. 7 A) It is cheaper than concrete. B) It is flexible and sticks well to concrete. C) It never breaks away. D) Black is the preferred color for roadways. 8 A) the Three Gorges Dam B) a masonry wall C) the metal cage of a skyscraper D) a gable 9 A) sand. B) rock. C) unsafe. D) under water. 10 A) a suspension bridge B) a beam bridge C) a truss bridge D) a cantilever bridge
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