Read these definitions and write the word(s) for each definition. Use 'to' with verbs in your answers.
1. Why you do something or why something exists
2. An occasion when you see something or someone, especially something that is rare or trying to hide
3. To refuse to accept or be changed by something
The Trans-Siberian Railway
The total length of the Trans-Siberian line is nearly 9,600 km. That is the world's longest railway.
The construction of the Trans-Siberian line began in 1891 and it was put into operation in 1905. However, the railway was poorly built and accidents often took place.
The reconstruction of the Trans-Siberian Railway began after 1917. Now most of the line is electrified. All freight and passenger trains are operated by powerful diesel and electric locomotives.
The Trans-Siberian Railway plays a very important part in the economic development of our country because it carries a large volume of traffic. Besides, it runs international container service between Europe and Japan.
Greater changes will take place on the Trans-Siberian Railway in the future. Faster locomotives will be put into service. Automation and efficient electronic computers will provide a safer transportation of freight and passengers.
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