TF阅读真题第809篇Animal Locomotion

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...

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818篇Easter Island statues

TF阅读真题第829篇Expansion of the Inca Empire

Indigo   题目： Indigo is a blue dye produced from plants of the genus group Indigofera, grown in tropical and subtropical climates, and it has been highly valued since ancie...

TF阅读真题第831篇Jupiter's Moon lo

The Birth of the Solar System                                     &nb...

The Search for the Origins of Writing     Who invented the first writing? Like many questions of its type in archaeology, this one is not easily answered. Some might arg...

TF阅读真题第822篇Newspapers in the Nineteenth-Century