- 001 lesson 1 obama hu
- 002 lesson 1 china russia
- 003 lesson 1 spanish prime minister
- 004 lesson 2 premier Wen
- 005 lesson 2 premier Wen2
- 006 lesson 3 avioding a us china
- 007 lesson 3 avioding a us china2
- 008 lesson 4 guard against a growing
- 009 lesson 4 the market isn't everything
- 010 lesson 4 medical care children education
- 011 lesson 5 the business of america is business
- 012 lesson 5 the green design of fashion clothes
- 013 lesson 5 nothing happens without competition
- 014 lesson 6 how to beat the export slump
- 015 lesson 6 the life cycle of a product
- 016 lesson 6 the foreign exchange market
- 017 lesson 7 scientists find bugs
- 018 lesson 7 tracking the blue whale
- 019 lesson 7 you really can catch lighting in a bottle
- 020 lesson 8 wide uses of plastic bottles
- 021 lesson 8 the gene industry
- 022 lesson 8 why does cream go bad faster than butter
- 023 lesson 9 our summer of extremes
- 024 lesson 9 scientists plumb the depths to ask how many fish in the sea
- 025 lesson 9 alps face disaster overr warming
- 026 lesson 10 probes into the mystery of fog
- 027 lesson 10 miracle of lights
- 028 lesson 10 the global shortage would be worse without typhoon
- 029 lesson 11 british pub etiquette and customs
- 030 lesson 11 dining etiquette when dating
- 031 lesson 11 why are uniform popular in the US
- 032 lesson 12 cultural connotations are taken away
- 033 lesson 12 western festivals are not
- 034 lesson 12 the sino-american cultural difference
- 035 lesson 13 human beings vs viruses
- 036 lesson 13 the common cold and the flu
- 037 lesson 13 the supporting role of exercise
- 038 lesson 14 panic a more infectious disease
- 039 lesson 14 modern respect for pain management
- 040 lesson 14 guard against cardiovascular
- 041 lesson 15 universities branch out
- 042 lesson 15 public schools in britain
- 043 lesson 15 community college in america
- 044 lesson 16 what should chinese universities do
- 045 lesson 16 the impact of foreign universities
- 046 lesson 16 examination exert a pernicious
- 047 lesson 17 six sporting invention in britain
- 048 lesson 17 NBA
- 049 lesson 17 athens 2004 olympic games
- 050 lesson 18 emblem of beijing 2008
- 051 lesson 18 symbols of the olympic gamesmp3
- 052 lesson 18 the origin and development of table tennis
- 053 lesson 19 the real london
- 054 lesson 19 maya away from crowds
- 055 lesson 19 the amazon
- 056 lesson 20 a spectacular view of huanglong
- 057 lesson 20 the west lake in hangzhou
- 058 lesson 20 funerary horse grave
- 059 lesson 21 an address by gore to admit_1
- 060 lesson 21 an address by gore to admit_2
- 061 lesson 21 commencement address of harvard
- 062 lesson 22 a speech at the meeting
- 063 lesson 22 a speech by mr hezhenliang
- 064 lesson 22 a speech at the closing ceremony
- 065 lesson 23 life is like a train ride
- 066 lesson 23
- 067 lesson 24 time is life
- 068 lesson 24
- 069 lesson 25 the date father didn't keep
- 070 lesson 25
- 071 lesson 26 a gray pigeon
- 072 lesson 26
- 073 lesson 27 death of a salesman
- 075 lesson 28 teahouse
- 076 lesson 28
- 077 lesson 29
- 078 lesson 30
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