| 1 | The train is running at express speed. | |
| 2 | The car is whizzing along the motorway. | |
| 3 | We have been dizzied by the speedy development of the new and hight technology. | |
| 4 | Would that imply the end of China' s era of rapid growth? | |
| 5 | More and more mountain bikers are moonriding - speeding down trails. |
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