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TF阅读真题第700篇Canals and Railroads in the Early Nineteenth Century
TF阅读真题第700篇Canals and Railroads in the Early Nineteenth Century
TF阅读真题第726篇The Horse and the Camel in Early China
TF阅读真题第726篇The Horse and the Camel in Early China
TF阅读真题第746篇Oceanic Bird Navigation
Migratory birds are well known to navigate over long distances between feeding grounds and breeding sites, often over thousands of miles. Ornithologist G. V. T. Matthews dem...
TF阅读真题第748篇The Origin of the K-T Asteroid
It is now generally accepted that dinosaurs (and large numbers of other animals and plants) went extinct about 65 million years ago, when Earth was hit by a giant asteroid (a rocky...
TF阅读真题第728篇Europe’s Economic Recovery in the Fifteenth Century
TF阅读真题第728篇Europe's Economic Recovery in the Fifteenth Century
TF阅读真题第761篇Oil Painting in Renaissance Florence
During the European Renaissance (1300-1600)， artists in Florence, Italy, made striking use of oil-based paints, but the development of these paints was part of a long and c...
