И. А. Курбасова Е. И. Силантьева

2. Используя сигналы сказуемого, найдите подлежащее и сказуемое в главном и придаточном предложениях. Опре­делите место опущенного союза which и переведите пред­ложения
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Образец: The operations which the computers can perform are almost unlimited. Операции, которые могут выполнять ЭВМ, почти безграничны.

1. The engineering difficulties the Soviet metro builders encountered were great and complicated. 2. The voltage of the electric current (ток) can be changed by means of an electrical device'.we call a transformer. 3. The loud speaker system' the' railroads use informs the passengers of the incoming and the outgoing trains. 4. The electric energy our railways are supplied with is produced at the central power stations. 5. The new material the scientists are experimenting with will be used in rolling stock construction. 6. The divisions most railways are divided into simplify , the problem of directing train movements. 7. The light sig­nals the driver can see on the locomotive's control panel show whether the section ahead is clear or occupied by another train.

3. Определите значение выделенных слов и словосочета­ний, не пользуясь словарем.
1. Bridge structures carrying high-speed railways are subjected to intensive vibration. 2. In order to avoid acci­dents the railroad track must be maintained in a good operating condition. 3. Most of the metro stations are fin­ished with granite and marble. 4. The GOELRO Plan was the first stage in the electrification of our country. 5. The construction of underground tunnels involves much earth­work. 6. In the USSR great attention is paid to railway transport, particularly to the modernization of the existing lines. 7. The work of railway builders has been greatly facilitated thanks to an extensive use of machines. 8. Parts of buildings made at factories are called prefabricated units. 9. The new building of the Kursky railway station in Moscow was erected in 1972. 10. The stations where the trains begin and complete their runs are called terminal stations or terminals. 11. The steam-operated railways could not cope with a rapidly increasing volume of traffic. 12. In recent years, the speeds on railways have considerably increased. 13. Nowadays various machines have replaced hard manual labour.
4. Прочтите текст (5 мин. на каждую часть) и (а) в каждом абзаце найдите наиболее важное по смыслу предложение (или предложения) и передайте их содержа­ние по-русски (часть I); (б) скажите, какие из московских вокзалов наиболее примечательны (часть II).