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TF阅读真题第887篇Why Did Agriculture Arise
Why Did Agriculture Arise Sometime around 10,000 years ago, some hunter-gatherers took up agriculture. Though the advantages may seem obvious, there are also disadvantages: ...
TF阅读真题第923篇Science and Nineteenth-Century Visual Arts
Science and Nineteenth-Century Visual Arts In the middle of the nineteenth century, rapid developments in the sciences and popular fascination with recent technologi...
TF阅读真题第954篇Deer Antlers and Seasonal Mating
Deer Antlers and Seasonal Mating 题目： In temperate (moderate)climates and subpolar regions (those nearer to the poles), where winters are usually long and the vegetation ...
TF阅读真题第731篇The History of Writing Technology in Europe
TF阅读真题第731篇The History of Writing Technology in Europe
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,...
