TOEFL Listening: TPO-TOEFL阅读TPO - IHL3089N30YW57NFN$

According to paragraph 1, which of the following is true about Europe in the nineteenth century? A. A large increase in food production led to industrialization. B. Population changes occurred at the same pace in the major regions. C. The standard of living rose to the level of that in most parts of the world. D. The tremendous rise in population led to greater agricultural output in every region.