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· 新概念英语第四册免费软件 (Alex，12-16)
· 新概念英语第四册词汇手册[下] (alex，10-12)
· 新概念英语第四册词汇手册[中] (alex，10-12)
· 新概念英语第四册词汇手册[上] (alex，10-12)
· Lesson 48 Planning a share portfolio (alex，10-02)
· Lesson 47 The great escape (alex，10-02)
· Lesson 46 Hobbies (alex，10-02)
· Lesson 45 Of men and galaxies (alex，10-02)
· Lesson 44 Patterns of culture (alex，10-02)
· Lesson 43 Are there strangers in space? (alex，10-02)
· Lesson 42 Recording an earthquake (alex，10-02)
· Lesson 41 Training elephants (alex，10-01)
· Lesson 40 Waves (alex，10-01)
· Lesson 39 What every writer wants (alex，10-01)
· Lesson 38 Water and the traveler (alex，10-01)
· Lesson 37 The process of ageing (alex，10-01)
· Lesson 36 The cost of government (alex，10-01)
· Lesson 35 Space odyssey (alex，10-01)
· Lesson 34 Adolescence (alex，10-01)
· Lesson 33 Education (alex，10-01)
· Lesson 32 Galileo reborn (alex，10-01)
· Lesson 31 The sculptor speaks (alex，10-01)
· Lesson 30 Exploring the sea-floor (alex，10-01)
· Lesson 29 The hovercraft (alex，10-01)
· Lesson 28 Patients and doctors (alex，10-01)