TF阅读真题第873篇Debating the Agricultural Diet

TF阅读真题第905篇Adaptations of Marine Mammals

第26篇Bird Songs and Calls

第58篇The Most Common Bird on Earth

第90篇Challenge of Dendrochronology

第122篇Dinosaurs and Parental Care

第154篇The Role of the Ocean in Controlling Climate

第186篇Forms of Locomotion

第218篇Impacts and Mass Extinctions

第261篇Economic Changes in Late-Nineteenth-Century Europe