10．火车以每小时400千米的速度运行，在8分钟之内可以完成30千米的行程。

参考答案

　1. C 2. D 3.D 4. A

　佳句背诵：

　1. Recently I had my first ride on a long-distance train.

　2. We ate great meals cooked by experts!

　3. For the first few hundred kilometers of the journey, the scenery was very colourful.

　4. It looked like a place from another time.

　5. We saw abandoned farms which were built more than a hundred years ago.

　6. The stars shone like diamonds.

　7. Ghan is short for Afghanistan.

　8. Camels were much better than horses for travelling a long distance.

　9. The fastest train in the world, the Transrapid Maglev, runs between Shanghai's PudongAirport and Longyang Station in downtown Shanghai.

　10. Travelling at a speed of over 400 kilometres per hour, the train can complete the 30-kilometre journey in eight minutes.