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
新概念英语第四册第27课:The ‘Vasa’
Lesson 27 The Vasa“瓦萨”号First listen and then answer the following question.听录音，然后回答以下问题。What happened to the Vasa
新概念英语第四册第28课:Patients and doctors
Lesson 28 Patients and doctors病人与医生First listen and then answer the following question.听录音，然后回答以下问题。What are pati
