排序
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873篇Debating the Agricultural Diet
Debating the Agricultural Diet An affluent society is one in which resources are ordinarily not scarce and most society members have achieved a general level of econ...
TF阅读真题第891篇The Early Iron Age
The Early Iron Age During the Bronze Age (roughly 3300-1200 B.C.E. in the Middle East), civilizations were limited in their use of iron. Most iron occurred not in ...
TF阅读真题第890篇Equestrian Portraits in the Eighteenth and Nineteenth Centuries
重复时间 2024-06-18 2024-09-28 2025-02-22 Equestrian Portraits in the Eighteenth and Nineteenth Centuries It was common for European rulers from the eighteenth ...
TF阅读真题第895篇Parental Care by Frogs
Parental Care by Frogs Only an estimated 10 percent of anuran (frog and toad) species provide any kind of parental care. But within this 10 percent there is very great diversity ...
TF阅读真题第848篇Wool production in Europe on the high Middle Ages
TF阅读真题第848篇Wool production in Europe on the high Middle Ages
TF阅读真题第894篇Jazz
Jazz Jazz music, an art form original to the United States, originated in the southern city of New Orleans at the turn of the twentieth century. It combined the elements of ...
TF阅读真题第878篇Sensory Ecology
Sensory Ecology Some of the most important sensory information animals have to process comes from other animals. Interactions between predators and prey, pare...
