| 1 | The second-part studies the origin of the ecocriticism. | |
| 2 | The author firstly reviews the historical evolution of WTO secretariat. | |
| 3 | It is impossible to trace out by history what kind of man he was. | |
| 4 | The root cause for various problems faced by mankind today, by and large , lies in development. | |
| 5 | If you dig deep enough into the past every family has its suicide. |