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TF阅读真题第758篇The Productivity of Wet Rice Farming
The wet rice fields of Asia are the most productive of all preindustrial intensive agricultural systems. As the term 'wet rice' suggests, the method involves flooding the fi...
TF阅读真题第700篇Canals and Railroads in the Early Nineteenth Century
TF阅读真题第700篇Canals and Railroads in the Early Nineteenth Century
TF阅读真题第817篇The Runaway Greenhouse Effect on Venus
TF阅读真题第817篇The Runaway Greenhouse Effect on Venus
TF阅读真题第898篇Insect Colony Movement
Insect Colony Movement In general, colonies of social insects such as bees or ants move either to change nesting sites when the current site deteriorates in quality,...
TF阅读真题第934篇The Proto-Indo-European Language
The Proto-Indo-European Language Scholars have known for several centuries that most of the languages spoken in a broad swath from Britain to India are derived from ...
TF阅读真题第965篇The Emergence of the State
题目： The Emergence of the State Before there was agriculture, people lived in small, loosely organized bands or tribes that hunted for and collected food in the wild. The emerg...
TF阅读真题第743篇Rural Manufacture
The growing population of eighteenth-century Europe increased demand for cloth to clothe people. Urban merchants turned to rural people for additional, inexpensive labor: farming f...
