复时间 2022-09-28 2023-12-13 2024-04-13 2025-04-12 Adaptations of Marine Mammals     Warm-blooded marine mammals and birds require some special adaptations to permit t...

Science and Nineteenth-Century Visual Arts     In the middle of the nineteenth century, rapid developments in the sciences and popular fascination with recent technologi...

TF阅读真题第846篇Insect Size

TF阅读真题第854篇Why Did Social stratification Emerge

Britain's Industrialization     The Industrial Revolution was an extended period of economic growth and change brought about by the application of mineral energy and t...

TF阅读真题第799篇Surviving as a Conifer

Horns in Beetle Competition       Intraspecific competition-that is, competition between members of the same species for limited resources-can be a complex phenome...

  Making the Most of Dark Nights       The main breeding station of the marine bird known as the swallow-tailed gull is the Galápagos Islands, which straddle...

TF阅读真题第843篇The Sistine Ceiling

    题目： Transportation and Economic Change in the Nineteenth-Century       Between 1820 and 1860,the American economy entered a new stage of develop...