Part IV Translation
One horse or mule was required to support four human beings a ratio that remained almost constant for many decades. (Passage Four)
每四人需要一匹马或骡子，这个比率几十年来几乎是一成不变的。
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Thatradiocompanyissobigthatithasalotof____inforeigncountries.
PartIVTranslation
Tocoverthemarksofthefire,thebuildingwaspaintedwhite.BeforelongitbecameknownastheWhiteHouse.(PassageOne)
Milk,butter,andcheeseare____herefromthefarms.