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TF阅读真题第883篇The Azolla Event
The Azolla Event During the early Eocene period, about 56 million years ago, Earth's atmosphere had high levels of carbon dioxide(CO2) which warmed the planet. But a...
TF阅读真题第920篇Animal Migration Patterns in the Serengeti
Animal Migration Patterns in the Serengeti The Serengeti, a region in northern Tanzania, is the site of the largest mammal migration on Earth. Herds of wildebeest, zebras...
TF 阅读真题合集更新版
TF阅读题目合集：https://shimo.im/docs/Wr3DpZZKnwi1El3J/read 第1篇Grinding Grain http://www.tuonindefu.com/?p=719 第2篇Machines and Manufacturing http://www.t...
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 ...
TF阅读真题第893篇Erratics and Drift
Erratics and Drift In the nineteenth century, scientists theorized that glaciers (ice sheets) covered much of Earth's surface during an ancient very cold period known as the...
