1.                     
                            
                
                    
                
                    
        OCW makes the materials used in the teaching of MIT's subjects available on the Web.
         
         
         
        Learn more about how to use OpenCourseWare. Click to get started.
                            
               
           
           
                        
           
          2. 
http://www.yoqv48.cn |

http://m.yoqv48.cn |

http://wap.yoqv48.cn |

http://3g.yoqv48.cn |

http://4g.yoqv48.cn |

http://5g.yoqv48.cn |

http://mobile.yoqv48.cn |

http://vip.yoqv48.cn |

http://ios.yoqv48.cn |

http://anzhuo.yoqv48.cn |

http://ca.yoqv48.cn |

http://748c.yoqv48.cn |

http://f4f.yoqv48.cn |

http://9c498.yoqv48.cn |

http://0.yoqv48.cn |

http://761b9f.yoqv48.cn |

 古阿扎3分钟视频