How do you travel, by plane or by train? Many people like traveling by train. Why?

The first reason(理由) is that it can ________ much money. You need to pay $371, if you go to Montreal from New York by plane. But you just need $124 ________ you take a train.

Second, you can take more baggage(行李) on the train. But you can only take ________ baggage for free on the plane. These days, almost all the air companies(公司) have the baggage ________: each person may take three pieces of baggage for free.

Convenience(便利) is the ________ reason. If you miss the train ________ 10:00 a.m., ________ worry. Just catch the ________ at 10:30 a.m. or 11:00 a.m. And you can get off(下车) your train at any stop. ________ reason is that you can do a lot of things on the train. During the ________, many train travelers like to read books, play cards or enjoy the scenery(风景) outside the train.

Lamu is a 12-year-old Tibetan (西藏的) girl. She wants to visit Beijing. But some years ago, Tibetans still thought it would be _________.

Tibet had no railroad. If Lamu took a bus, she would spend a long time reaching Beijing. However, a _______ ticket would cost lots of money.

Some years ago, things changed for Tibetans. They could _______ on the world’s highest railroad. The Qinghai-Tibet Railway was completed after four years! The 1,142-kilometre railroad runs on the Qinghai-Tibet Plateau（高原）. Now Lamu can get to Beijing by train in 48 hours!

“The new railroad greatly helps Tibet’s tourism,” says Lin Yueqin, an expert at the Chinese Academy of Social Sciences（中国社会科学院）.

As more _______ take trains to Tibet, there is more money for Tibetans. With the money, more kids can go to school.

With the new railroad, shopping can be more convenient (方便的) and faster. The railroad also makes things _______ in Tibet. In the past, one could buy a TV set for about 800 yuan in Beijing, but in Tibet, the same set cost 1,500. Without the railroad, it was difficult to _______ things in and out of Tibet.

Look at the bus. It’s a little _______ from other buses. It’s black and white, and has two black “_______” on the top, just like a panda. The lights of the bus are its “eyes”. This is the popular _______ Bus in China. The bus is 12 meters _______ and there are 23 seats on it.

You can find _______ cool things when you get on the bus. First of all, you can _______ for it by scanning (扫描) your hands if you forget to take money, phone or bus cards. _______ surprise is the small computer on the back of each seat, you can watch a movie _______ the way on the bus. Also, there are some cameras on the bus. If someone steals (偷) things, the cameras can help the police find the _______. What’s more, there is no driver on the bus, but it can stop at red lights and all the stops. It only needs someone to watch all the way just in case (以防万一), so it ________ runs a little slowly.

Would you like to take such a bus to go to school?