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TF阅读真题第908篇The Search for the Origins of Writing
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982篇Prairie Diversity
题目： Prairie Diversity 1 Prairies—the grasslands that once covered immense areas of central North America—were created and maintained by factors that favored the growth of g...
TF阅读真题第751篇Text in Dutch Painting
The seventeenth century was a golden age for Dutch painting, with artists producing genre paintings (depictions of scenes from everyday life), still lifes of fruit or flower...
TF阅读真题第689篇Natufians and the Domestication of Grain
TF阅读真题第689篇Natufians and the Domestication of Grain
TF阅读真题第807篇The Birth of the Solar System
The Birth of the Solar System The Birth of the Solar System 题目： Scientists believe that the sun and the planets in our solar system formed from a vast clo...
TF阅读真题第888篇The Origin of Mars’s Moons
The Origin of Mars's Moons Mars has two tiny moons, Phobos and Deimos. The orbits of both these satellites are nearly circular and close to the planet: Phobos orbits...
TF阅读真题第924篇Making the Most of Dark Nights
Making the Most of Dark Nights The main breeding station of the marine bird known as the swallow-tailed gull is the Galápagos Islands, which straddle...
