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TF阅读真题第936篇The Key Factors Influencing Soil Formation
The Key Factors Influencing Soil Formation Soil is the product of the complex interplay of several factors. Weathering, a process that breaks down rocks by physical (mechani...
TF阅读真题第968篇Farming in Uruk
题目: Farming in Uruk The ancient city of Uruk in the southern region of Sumer in the ancient Middle East developed an agricultural system that depended on irrigation to ...
TF阅读真题第755篇The Distribution Of Plants And Animals
There is a much greater similarity between the flowering plant floras of different continents—South America, Africa, Asia, and Australia—than between the mammalian faunas (anim...
TF阅读真题第880篇Dutch Art and the Middle Class
Dutch Art and the Middle Class Throughout history,the wealthy have been the most avid art collectors. Indeed, the money necessary to commission leading artists to ...
TF阅读真题第909篇The History and Composition of Laundry Detergent
The History and Composition of Laundry Detergent The earliest ancient people used plain water for cleaning. Water can dissolve different kinds of substances and then...
