What was the major change in agriculture during the 19th century?A.Specialized crops.B.Far

外语类 正确答案 已帮助 人

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.

请帮忙给出正确答案和分析,谢谢!

热搜:在公制与英制换算中,1in等于()。

答案解析

难度★★☆ 搜索
  • 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。