排序
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 ...
听力第318套 （ws 117）L3
听力音频： https://mp.weixin.qq.com/s/l60NYyttDfg2itptnygLRA?token=1029705590&lang=zh_CN L3： Lecture 3 第一题 What is the lecture mainly about? AThe discovery of p...
写作真题第201套（rs121）
综合写作： 写作真题第201套（rs121）听力音频 https://mp.weixin.qq.com/s?__biz=MzI2NzA4MDMwNA==&mid=2247522555&idx=3&sn=a212c9cb6de589db17a15ba4fae7f60a&scene=21#we...
TF阅读真题第897篇How Fossils Map the Past
How Fossils Map the Past Only a tiny fraction of the organisms that have lived during the geologic past have been preserved as fossils.Normally the remains of an ani...
TF阅读真题第887篇Why Did Agriculture Arise
Why Did Agriculture Arise Sometime around 10,000 years ago, some hunter-gatherers took up agriculture. Though the advantages may seem obvious, there are also disadvantages: ...
TF阅读真题第909篇The History and Composition of Laundry Detergent
The History and Composition of Laundry Detergent The earliest ancient people used plain water for cleaning. Water can dissolve different kinds of substances and then...
TF阅读真题第913篇Chimpanzee Communication
Chimpanzee Communication Do animals communicate deliberately, meaning do they communicate with a goal in mind? It would help if we could ask them what they intended ...
