OG-2th 上的三题求高手帮忙解答

jadelily35

69. The Anasazi settlements at Chaco Canyon were built on a spectacular scale, with more than 75 carefully engineered structures, of up to 600 rooms each, were connected by a complex regional system of roads.
A. scale, with more than 75 carefully engineered structures, of up to 600 rooms each, were
B. scale, with more than 75 carefully engineered structure, of up to 600 rooms each,
C. scale of more than 75 carefully engineered structures, of up to 600 rooms, each that had been
D. scale of more than 75 carefully engineered structures of up to 600 rooms and with each
E. scale of more than 75 carefully engineered structures of up to 600 rooms, each had been

108. Sound can travel trough water for enormous distances, prevented from dissipating its acoustic energy as a result of boundaries in the ocean created by water layers of different temperatures and densities.
A. prevented form dissipating its acoustic energy as a result of
B. prevented from having its acoustic energy dissipated by
C. its acoustic energy prevented from dissipating by
D. its acoustic energy prevented from being dissipated as a result of
E. preventing its acoustic energy from dissipating by

109. The nephew of Pliny the Elder wrote the only eyewitness account of the great eruption of Vesuvius in two letters to the historian Tacitus.
A. The nephew of Pliny the Elder wrote the only eyewitness account of the great eruption of Vesuvius in two letters to the historian Tacitus.
B. To the historian Tacitus, the nephew of Pliny the Elder wrote two letters, being the only eyewitness accounts of the great eruption of Vesuvius.
C. The only eyewitness account is in two letters by the nephew of Pliny the Elder writing to the historian Tacitus an account of the great eruption of Vesuvius
D. Writing the only eyewitness account, Pliny the Elder’s nephew accounted for the great eruption of Vesuvius in two letters to the historian Tacitus
E. In two letters to the historian Tacitus, the nephew of Pliny the Elder wrote the only eyewitness account of the great eruption of Vesuvius.

448258130

可以一题一题开贴吗？最好把下划线也加上，据说这样会有更多人来解答

enkyklios

同意楼上的说法，而且你最好把疑问贴出来，据说这样比较好