新概念英语第四册第47课:The great escape
Lesson 47 The great escape大逃亡First listen and then answer the following quesion.听录音，然后回答以下问题。What is one of the featu
新概念英语第四册第48课:Planning a share portfolio
Lesson 48 Planning a share portfolio规划股份投资First listen and then answer the following question.听录音，然后回答以下问题。How
新概念英语第四册第46课:Hobbies
Lesson 46 Hobbies业余爱好First listen and then answer the following question.听录音，然后回答以下问题。Who, according to the author,
新概念英语第四册第44课:Patterns of culture
Lesson 44 Patterns of culture文化的模式First listen and then answer the following question.听录音，然后回答以下问题。What influence
新概念英语第四册第45课:Of men and galaxies
Lesson 45 Of men and galaxies人和星系First listen and then answer the following question.听录音，然后回答以下问题。What is the most
新概念英语第四册第41课:Training elephants
Lesson 41 Training elephants训练大象First listen and then answer the following question.听录音，然后回答以下问题。At what point does
新概念英语第四册第42课:Recording an earthquake
Lesson 42 Recording an earthquake记录地震First listen and then answer the following question.听录音，然后回答以下问题。What does a p
新概念英语第四册第38课:Water and the traveler
Lesson 38 Water and the traveller水和旅行者First listen and then answer the following question.听录音，然后回答以下问题。What does
新概念英语第四册第40课:Waves
Lesson 40 Waves海浪First listen and then answer the following question.听录音，然后回答以下问题。What false impression does an ocean w