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2012年托福阅读考试模拟题
READING COMPREHENSIONQuestion 1-10The agricultural revolution in the nineteenth century involved two things: the invention of labor-saving machinery and the development of scientific agriculture. Labor-saving machinery naturally appeared first where labor was scarce.
READING COMPREHENSIONQuestion 1-10The agricultural revolution in the nineteenth century involved two things: the invention of labor-saving machinery and the development of scientific agriculture. Labor-saving machinery naturally appeared first where labor was scarce.
