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TF阅读真题第764篇The Chemical Defenses of Trees
Woody plants produce a great variety of chemical compounds to provide protection against other plants, diseases, and herbivores (plant-eating animals) big and small. These chemical...
TF阅读真题第706篇A Revolution in Consumption in the Eighteenth Century
TF阅读真题第706篇A Revolution in Consumption in the Eighteenth Century
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...
TF阅读真题第765篇The Porcelain Industry at Jingdezhen
The Porcelain Industry at Jingdezhen Porcelain is a ceramic material that is prized for its translucence, hardness, and smoothness. Porcelainwas first produced in China, perhaps ...
