2024年08月的文章
TF阅读真题第771篇The Role of Climate Change and Ecology in History
The Role of Climate Change and Ecology in History A popular activity of historians and nonhistorians alike has long been to try to associate historical developments with cha...
TF阅读真题第770篇Economic Reasoning
Economics begins with the assumption that human actions are rational-intended for maximum self-benefit. For example, people pay more for a larger box of the same cer...
TF阅读真题第769篇Characteristics of Tropical Rain Forests
Characteristics of Tropical Rain Forests Almost all the action in a rain forest (not just photosynthesis but also flowering, fruiting, predation, and herbivory) happens high in t...
TF阅读真题第768篇Martian Volcanoes
Martian Volcanoes Earth is not the only planet to have volcanoes; in fact Mars-though all of its volcanoes have long been inactive-has the two largest ones i...
TF阅读真题第767篇How the First People Got to the Interior of North America
How the First People Got to the Interior of North America Most researchers believe that the first people to come to North America came from Asia to what is no...
TF阅读真题第766篇The River Nile in Ancient Egypt
The special character of the Nile, which made it central to ancient Egyptian culture, was its annual inundation (flooding). During June the river began to rise, and a quantity of g...
