Human Responsibility for Megafaunal Extinctions     Paleontologists are intrigued by the question of what caused a diverse group of large animals (megafauna) to become e...

Sources of Prosperity during China's Song Dynasty     In the tenth century. after a period of political fragmentation, China began to enjoy a peaceful and prosperous per...

  听力音频： 雅思听力真题第249套(音频) https://mp.weixin.qq.com/s?__biz=MzI2NzA4MDMwNA==&mid=2247523173&idx=4&sn=e96d6434c74253428de7215b19f4a4da&scene=21#we...

听力音频： 雅思听力真题第248套(音频) https://mp.weixin.qq.com/s?__biz=MzI2NzA4MDMwNA==&mid=2247523173&idx=3&sn=1a1a6b5444cbe485d8a898a1a825e93f&scene=21#wechat_red...

听力音频： 雅思听力真题第247套(音频) https://mp.weixin.qq.com/s?__biz=MzI2NzA4MDMwNA==&mid=2247523173&idx=2&sn=ff2519a4591928b67483d9232284bf9c&scene=21#wechat_redi...

听力音频： 雅思听力真题第246套(音频) https://mp.weixin.qq.com/s?__biz=MzI2NzA4MDMwNA==&mid=2247523173&idx=1&sn=557173df70ace893561a15380df1f718&scene=21#wechat_re...

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...

Insect Colony Movement     In general, colonies of social insects such as bees or ants move either to change nesting sites when the current site deteriorates in quality,...

  PART 3 READING PASSAGE 3 You should spend about 20 minutes on Questions 27-40, which are based on Reading Passage 3 below. NUCLEAR FUSION: THE KEY TO LIMITLESS CLEAN EN...

PART 2 READING PASSAGE 2 You should spend about 20 minutes on Questions 14-26, which are based on Reading Passage 2 below. THE BIRTH OF THE 10,000-HOUR RULE A study on violinists ...