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 pen h

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 pen h

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

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

Lesson 6 The sporting spirit体育的精神First listen and then answer the following question.听录音，然后回答以下问题.How does the writer d

Lesson 6 The sporting spirit体育的精神First listen and then answer the following question.听录音，然后回答以下问题.How does the writer d

Lesson 21 William S. Hart and the early Western film威廉.S. 哈特和早期限的‘西部’影片First listen and then answer the fol

Lesson 21 William S. Hart and the early Western film威廉.S. 哈特和早期限的‘西部’影片First listen and then answer the fol