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TF阅读真题第742篇Measuring Climate Change on Mountains
Climate change has been linked to greenhouse gases in Earth's atmosphere that allow sunlight to reach the planet's surface while trapping the infrared energy that it emits...
TF阅读真题第749篇Food Production in the Early Modern World
Starting in the sixteenth century, the population of Eurasia (the combined continental landmass of Europe and Asia) began an upward surge that, while the result of many factors, ow...
TF阅读真题第740篇Economic Decline of the Roman Empire
The Roman Empire(31 B.C.E.-A.D. 476)， which conquered much of Europe, the Near East, and northern Africa, enjoyed great prosperity before facing economic decline in its later cent...
TF阅读真题第735篇The Role of Fragrance in Plant Pollination
TF阅读真题第735篇The Role of Fragrance in Plant Pollination
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...
