Developed by Pennsylvania's Palatine Germans about 1750, they made Conestoga wagons with
high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie and they had a floor curved upward on either end so as to prevent cargo from shifting on steep grades.
(D) Conestoga wagons had high wheels capable of crossing rutted roads, muddy flats, and the nonroads of the prairie, and a floor that was curved upward at both ends to prevent
正确选项是D
请问单独把主语和and后的平行成分拿出来，那就是
Conestoga wagons had a floor (that was curved upward at both ends to prevent ...)
请问，wagons怎么会只有a floor呢？
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发表于 2011-3-6 14:55:42
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