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Вопрос № 848135 - Английский язык

Расположите пропущенные предложения в таком порядке, чтобы получился связный текст
1 _______. The first lifts, or ‘elevators’ in American English, consisted of a platform suspended from a rope which passed over a pulley at the top of the building. If the rope broke, the platform fell to the ground. 2 _______. If the rope broke, a brake was applied automatically which locked the platform in place between guide rails. 3 _______. Most lifts today are roped lifts. The car runs between vertical guide rails keep it steady and act as a safety device. Steel ropes, or cables, attached to the roof of the car pass over a pulley, called the drive sheave, which is turned by an electric motor. 4 _______. This matches the weight of a car with an average load of passengers.
The counterweight saves energy. Its weight helps to raise the car. In the same way, the weight of the car when it descends helps to raise the counterweight. For the most part, the motor only has to overcome friction.
Варианты ответов
  • The development of tall buildings and lifts go together.
  • The other end of the cable is attached to a counterweight.
  • In 1852 Elisha Otis invented the first safety lift.
  • Today the Otis company is the largest supplier of lifts in the world.
Тип вопроса: Вопрос на последовательность
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Вопрос задал(а): Анонимный пользователь, 13 Ноябрь 2020 в 15:19
На вопрос ответил(а): Анастасия Степанова, 13 Ноябрь 2020 в 15:19

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1 _______. This logs all passenger calls and monitors the number of passengers travelling from floor to floor, the position of any car in the system, and its speed. It can direct passengers to the car which will get them to their destination fastest and will prevent any car which is overloaded from moving.
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