TF阅读真题第704篇Air-Breathing Fishes

  During the European Renaissance (1300-1600)， artists in Florence, Italy, made striking use of oil-based paints, but the development of these paints was part of a long and c...

TF阅读真题第714篇Origin of Comets

The special character of the Nile, which made it central to ancient Egyptian culture, was its annual inundation (flooding). During June the river began to rise, and a quantity of g...

TF阅读真题第734篇The Sound Revolution in American Film

TF阅读真题第707篇The Silk Makers

TF阅读真题第717篇Jupiter's Moon lo

TF阅读真题第727篇The Ecology of Kirtland's Warbler

TF阅读真题第695篇Tool Use by Capuchin Monkeys

TF阅读真题第730篇The Human Appendix