Find factual mistakes in the sentences and correct them. 1. DC motors work very badly in hard systems as these need a large torque.
2. DC motors have long life expectancy.
3. DC motors require external mechanisms to start.
4. In AC motors the magnetic field is stationary while in DC motors it rotates.
5. AC motors have a permanent magnet in their construction.
6. In DC motors the magnetic field is induced.
7. AC motors are used in situations where it is necessary to control the speed from outside.
8. DC motors are most universal.
Привет. Меня зовут Артем. Я пришел сюда потому, что я не могу вернуться домой сейчас. Ведь я же ученик. Я обязан идти в класс на урок. Мне следует вместе с одноклассниками продолжать мое образование. Мое будущее сломается если я не продумаю мои шаги вперед. Иногда мне страшно. Будет не очень хорошо, если за все мои годы в школе мои оценки будут ухудшаться.
2) Will you invite Ann to stay with you next summer?
3) Kate is always borrowing money from me. But she does not remember to pay me back.
4) After she had spent all her money she asked her father to help her.
5) – What is Mary doing at present?
– She is washing dishes in the kitchen.
6) We will have read the book by the end of next semester.
7) It was raining the whole day yesterday.
8) You can’t speak to Misha.He is taking a shower at the moment.