单项选择题
Which of the following statements is NOT considered a characteristic of farming in the late 18th and early 19th centuries?（）
A.Use of artificial fertilizer.
B.Introduction of new agricultural machinery.
C.The'Open-field'system.
D.A system of crop rotation.
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相关考题
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单项选择题
Which of the following statements is NOT true?（）
A.The open field system provided a good opportunity to experiment.
B.The open field system wasted land.
C.The open field system was wasteful of labor and time.
D.The open field system made livestock farming difficult. -
单项选择题
Traditional farming involved the open field village,a system that dated back to the（）century.
A.4th
B.5th
C.6th
D.7th -
单项选择题
The Peasant Uprising of 1381 did not direct against（）
A.the rich clergy
B.the lawyers
C.the landowners
D.the town traders
