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TF阅读真题第833篇The Radiocarbon Dating of Prehistoric American Sites
TF阅读真题第833篇The Radiocarbon Dating of Prehistoric American Sites
TF阅读真题第900篇Sources of Prosperity during China’s Song Dynasty
Sources of Prosperity during China's Song Dynasty In the tenth century. after a period of political fragmentation, China began to enjoy a peaceful and prosperous per...
TF阅读真题第875篇Life in the Desert
TF阅读真题第875篇Life in the Desert Life in the Desert In the austere and inhospitable environment of the desert, each inhabitant must be highly specialized ...
TF阅读真题第907篇Mycorrhizae
Mycorrhizae Fungi are organisms, including mushrooms, yeasts, and molds, that absorb and decompose organic material. Most land plants have specialized roots that con...
25.4.26托福写作范文+分析
综合写作: Reading: The black robin is a small bird native to the islands of New Zealand. Several decades ago, black robins almost died out. Although the fu...
TF阅读真题第926篇Sunspot Cycles
Sunspot Cycles Dark regions on the Sun, called sunspots, were studied in 1610 by Galileo, who turned the newly invented telescope on objects in the sky. A lively deba...