What was the major change in agriculture during the 19th century?A.Specialized crops.B.Far
正确答案
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What was the major change in agriculture during the 19th century?
A.Specialized crops.
B.Farm machinery.
C.Extensive network of railroads.
D.Unbalance of supply and demand.
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正确答案:A
细节题。19世纪美国农业最大的变化是什么。录音文字中“Butbythemidcenturysweepingchangesinagriculturewerewellunderwayasfarmersbegantospecializeintheraisingofcropssuchascottonorcornorwheat.”的关键词“sweepingchanges”(主要变化)说明这个变化要体现于专业化的种植。此题考点位于转折连词but后。
