1.Перепишите следующие предложения и переведите их на русский язык,  обращая внимание на способы перевода инфинитива. Подчеркните инфинитив в английских предложениях.

1. The Moscow-Mytishchi suburban railway was the second to be electrified in our country.

2. Werner von Siemens was the first to produce a passenger electric locomotive.

3. To connect the central region of the country with the East, the Kurgan-Sverdlovsk line has been electrified in addition to the existing line.

2.Образуйте от данных глаголов две формы Participle I. Полученные причастия переведите на русский язык

Model: to read – a) reading – читая, читающий;

                                   b) having read – прочитав

1) to use; 2) to make; 3) to develop; 4) to forget; 5) to burn; 6) to transport; 7) to receive; 8) to feel; 9) to study; 10) to carry; 11) to go; 12) to try; 13) to think; 14) to cover; 15) to speak.

3.  Перепишите и переведите предложения, обращая внимание на употребление Participle I . Подчеркните причастия I в английских предложениях и в переводе.

1. The single-phase system involves the use of the open-air transforming stations requiring no attendance.

2. Using the three-phase system makes it possible to make trains on descending grades send energy back into the overhead wires for utilizing it by trains up the ascending grades.

3.  The d.c. (direct current) system and a.c.(alternating current) system  being considered here clearly show their advantages and disadvantages.

4.  Образуйте Participle II от глаголов, данных в скобках. Полученные словосочетания переведите.

Model: a (to write) article – a written article – написанная статья.

1. a (to damage) car; 2) freight (to transport) by railways; 3) an engine of (to improve) design; 4) (to weigh) luggage; 5) a (to choose) profession; 6) a (to restore) bridge; 7) a locomotive (to drive) by steam; 8) figures (to mention) in the report; 9) the (to forget) promise; 10) the distance (to cover) by train.

5.  Перепишите и переведите предложения, обращая внимание на употребление Participle II . Подчеркните причастия II в английских предложениях и в переводе.

1. There are many current systems adopted on the world-electrified railroads.

2.  For very high potentials  used on long distance transmission lines extra precautions as to insulation are required.

3.  The advantage of the a.c. system lies in the high efficiency obtained.  

6. Перепишите и письменно переведите текст.

Most intercity electric trains receive power through an overhead wire called a catenary. In the overhead wire system, a steel framework connects a car, usually a locomotive, to a catenary. The framework, called a pantograph, delivers electric current from the wire to the locomotive’s propulsion system. This system includes the traction motors. Traction motors power the driving wheels, which usually move the locomotive.

Intercity electric trains have one or more locomotives that pull freight or passengers cars. Most electric locomotives weigh between 100 and 200 short tons (90 and 180 metric tons) and provide about 6,000 to 7,000 horsepower (4,500 to 5,200 kilowatts). They can reach speed of over 150 miles (240 kilometers) per hour.....