新概念英语第四册第39课:What every writer wants
Lesson 39 What every writer wants作家之所需First Listen and then answer the following question.听录音，然后回答以下问题。How do pro
新概念英语第四册第36课:The cost of government
Lesson 36 The cost of government政府的开支First listen and then answer the following question.听录音，然后回答以下问题。What is the
新概念英语第四册第33课:Education
Lesson 33 Education教育First listen and then answer the following question.听录音，然后回答以下问题。Why is education democratic in bo
新概念英语第四册第37课:The process of ageing
Lesson 37 The process of ageing衰老过程First listen and then answer the following question.听录音，然后回答以下问题。What is one of
新概念英语第四册第34课:Adolescence
Lesson 34 Adolescence青春期First listen and then answer the following question.听录音，然后回答以下问题。What do adolescents respect
新概念英语第四册第35课:Space odyssey
Lesson 35 Space odyssey太空探索First listen and then answer the following question.听录音，然后回答以下问题。When will it be possibl
新概念英语第四册第31课:The sculptor speaks
Lesson 31 The sculptor speaks雕塑家的语言First listen and then answer the following question.听录音，然后回答以下问题。What do you
新概念英语第四册第29课:The hovercraft
Lesson 29 The hovercraft气垫船First listen and then answer the following question.听录音，然后回答以下问题。What is a hovercraft ridi
新概念英语第四册第32课:Galileo reborn
Lesson 32 Galileo reborn伽利略的复生First listen and then answer the following question.听录音，然后回答以下问题。What has modifie
新概念英语第四册第30课:Exploring the sea-floor
Lesson 30 Exploring the sea-floor海底勘探First listen and then answer the following question.听录音，然后回答以下问题。How did peopl