TF阅读真题第798篇Transportation and the Roman Empire

TF阅读真题第718篇Glacier Flow and Surging

Temperate Plant Phenology   Phenology is the timing of growth and reproductive activity within a year, and it can vary greatly among plant species, populations, and even indiv...

Sources of Prosperity during China's Song Dynasty     In the tenth century. after a period of political fragmentation, China began to enjoy a peaceful and prosperous per...

TF阅读真题第692篇Communication: Bumblebees Versus Honeybees

TF阅读真题第847篇Waking Up Coming Out of Hibernation

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690篇Egypt in Early World History

TF阅读真题第809篇Animal Locomotion

TF阅读真题第727篇The Ecology of Kirtland's Warbler