TOEFL Listening: TPO-TOEFL阅读TPO - M4T0PRF0U925HVX5N$

Select TWO answer choices that, according to paragraph 1, are true statements about Russia's iron industry in the eighteenth century. To obtain credit, you must select TWO answer choices. A. Russia reached its maximum production of iron at the same time as Britain. B. Russia exported much of its iron production to Britain. C. Russia's appetite for iron increased rapidly after 1740. D. Russia's energy resources eventually became insufficient and limited the growth of its iron industry.