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TF阅读真题第750篇Jupiter’s Moons
Jupiter, the fifth planet from the Sun and the largest in the solar system, is orbited by 69 moons, including lo, Europa, Ganymede, and Callisto. Europa, which is of the same size ...
TF阅读真题第852篇Noise in the Sea
Noise in the Sea Sound is one of the most important means of communication for creatures underwater. In the clear water of a coral reef you can see up to 200 feet at most. I...
TF阅读真题第876篇Tyrannosaurus rex: Predator or Scavenger?
Tyrannosaurus rex: Predator or Scavenger? Tyrannosaurus rex was among the largest of the theropods, a group of mostly carnivorous (meat-eating) dinosaurs that roamed the Earth dur...
TF阅读真题第906篇Early Domestication and Agriculture
复时间 2022-06-07 2025-04-12 Early Domestication and Agriculture To some extent, the causes of agriculture are to be found in the thousands of years of hunting-ga...
TF阅读真题第683篇The Solnhofen limestones and Archaeopteryx
TF阅读真题第683篇The Solnhofen limestones and Archaeopteryx
TF阅读真题第762篇Cool Early Earth Hypothesis
The oldest Earth rocks known to date, found in Quebec, Canada in 2008, were determined to be about 4.3 billion years old. However, the oldest known materials of the solar system-M...