TR共293篇 第5页
TR
排序
TF阅读真题第763篇Methane Hydrate as a Potential Fuel
Methane Hydrate as a Potential Fuel At the bottom of the world's oceans lies a potential source of energy that could provide society with fuel well into the next century. Th...
TF阅读真题第897篇How Fossils Map the Past
How Fossils Map the Past Only a tiny fraction of the organisms that have lived during the geologic past have been preserved as fossils.Normally the remains of an ani...
TF阅读真题第906篇Early Domestication and Agriculture
复时间 2022-06-07 2025-04-12 Early Domestication and Agriculture To some extent, the causes of agriculture are to be found in the thousands of years of hunting-ga...
TF阅读真题第942篇Currency and the Emergence of china’s Market Economy
Currency and the Emergence of china's Market Economy 题目： China's Song dynasty (960-1279 c.E.), building on developments of the earlier Tang dynasty(618-907 c.E...
TF阅读真题第975篇The Origin of Writing
题目： The Origin of Writing Who invented the first writing? Like many questions of its type in archaeology, this one is not easily answered.Some might argue that the paintings ...
TF阅读真题第750篇Jupiter’s Moons
Jupiter, the fifth planet from the Sun and the largest in the solar system, is orbited by 69 moons, including lo, Europa, Ganymede, and Callisto. Europa, which is of the same size ...
