The rail network forms the backbone of the Chinese transport system and serves most of the cities 【小题1】(visit) can explore much of China by train and many find it an efficient and inexpensive means of travel. The cost is around 25 percent 【小题2】(little) than comparable air services.

In 2015, there was a total of 121,000 km of railway track in China, 【小题3】(make) Chinese rail rank first in Asia. Double track railways covered 68,076 km, while electrified lines covered about 80,352 km. Now, The railway travels through 【小题4】 whole country. Beijing is the hub（枢纽）of the north-south lines 【小题5】 the west-east line centre is at Zhengzhou.

Chinese trains differ from those in other countries. In China, the accommodation on the trains 【小题6】(divide) into four categories, namely, soft-sleeper, soft-seat, hard-sleeper and hard-seat.

There 【小题7】(be) washrooms on the trains. The toilets, regardless of class, are not usually very clean and 【小题8】 is a good idea to bring your own toilet paper. 【小题9】(boil) water is available on trains and dining cars on long distance routes only.

Reservations should be made in advance, especially during the holidays and travel season. Tickets may be purchased 【小题10】(direct) from rail stations or booked a few days in advance from your travel agencies, hotels, or ticket office.

The arrival of a new high-speed railway line to the scenic lakeside town of Qiandaohu in East China's Zhejiang province has changed the lives of the 【小题1】( resident) immeasurably.

I sat 【小题2】 ( quiet) in my seat on the new Fuxing bullet train on the first day of February. I looked out of the window and watched the views outside flash by in an instant. The train continued 【小题3】 (it) top speed toward the south. A great many cities and rolling hills with green trees took turns to make an 【小题4】 (appear).

It was the first time I 【小题5】 (be) able to travel home by train directly from Beijing 【小题6】 having to transfer. The railway 【小题7】 (connect) Zhejiang's provincial capital Hangzhou and Huangshan city in Anhui province opened on Dec 25, linking a group of tourist attractions in the Yangtze River Delta and my hometown, 【小题8】 is named after the lake that it sits on.

A high-speed train leaves Beijing for Qiandaohu every day. It takes five hours and 55 minutes 【小题9】 (get) to my hometown. Previously, I had to travel first to Hangzhou, whether I traveled by train 【小题10】 by plane, and then headed for my hometown by road. It added another three hours to my journey.

On Oct 14, 2023, Yongchuan District of Chongqing attracted professionals and academics from across the country to engage in discussions 【小题1】 green design and rural vitalization.

As an example of green design and development, Yongchuan District has been the first to offer a 【小题2】 (full) driverless robotaxi commercial service to the public. There are dozens of pickup stations across the district 【小题3】 (cover) commercial centers, schools and residential areas. Passengers place 【小题4】 order on an app and then move to the nearest pickup station.

In just a few minutes, a white vehicle attached a plate, declaring it “self-driving”, pulls over at the station. Passengers 【小题5】 (require) to enter the last four numbers of 【小题6】 (they) mobile phone number on the digital screen to access the vehicle. Once passengers take the seats, safety 【小题7】 (instruction) will be read and the car won’t start until passengers put the seat belts on.

While self-driving cars shuttle passengers back and forth through the district, giving off an atmosphere of science fiction, Songji ancient town, which has a history of more than 2,000 years, 【小题8】 (lie) just 40 kilometers away. In recent years, the local government has set up a tourism development management team to protect Songji’s history and culture, and prevent it from over commercialization.

Yongchuan, 【小题9】 modernity and heritage coexist, offers valuable insights for the development of other small towns. The city planners have demonstrated that it is possible 【小题10】 (preserve) cultural heritage while embracing technological advancement.