排序
TF阅读真题第955篇Agricultural Practices of the Maya
Agricultural Practices of the Maya 题目: The Maya civilization flourished for centuries on the Yucatan Peninsula and other areas of Mesoamerica, reac...
TF阅读真题第964篇French Gothic Cathedrals
题目: French Gothic Cathedrals Gothic-style cathedrals, known for their impressive height. pointed arches, and intricate line patterns, are among the most elaborate s...
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943篇The Origin of Flight in Birds
The Origin of Flight in Birds 题目: Debate over avian origins was stimulated in 1861 when the 150-million-year-old fossil of a bird-like creature was unearthed. Called Archaeopt...
TF阅读真题第956篇Archaeoptertx and Flight
Archaeoptertx and Flight 题目: It is not known whether Archaeopteryx, the earliest birdlike creature for which fossils have been found, could fly-but it probably did, at ...
TF阅读真题第910篇Agricultural Origins
Agricultural Origins It is tempting to think that people started domesticating plants and animals because hunting and gathering was laborious and then someone had the brilli...
TF阅读真题第957篇Language and Migration
Language and Migration 题目: The study of language can offer important clues about the historic migration of people around the world. Most historians would place the emergence o...
TF阅读真题第927篇Degradation and Erosion of Soil
Degradation and Erosion of Soil Land without soil can support only very small primitive plants such as lichens and mosses that can cling onto a rock surface. The rest of the worl...
TF阅读真题第969篇Dating the Ancient Egyptian Pyramids
Dating the Ancient Egyptian Pyramids 题目: The first step toward discovering the age of the ancient Egyptian pyramids is to determine for whom they were built. Ea...
