К.р.1 Вариант №3

I.
1.We have already built a new railway line in this region. (pres. perf. от “build”) – Мы уже построили в этом районе новую железнодорожную ветку.
2.This railway lines connect distant part of our country. (pres. indef. от “connect”) – Эти железные дороги соединяют отдалённые части нашей страны.
II.
1.For 5 years the railwaymen put into operation 3200 km of new tracks. За 5 лет железнодорожники ввели в эксплуатацию 3200 км новых путей. Did the railwaimen put into operation 3200 km of new tracks for 5 years?
XXI-st Century Transport
Транспорт XXI века

It had been a long time since train velocities surpassed the 100 km/h limit and they are now
К.р.2

Вариант №3

1. Our Institute trains students in many specialized fields. (pres. indef. active) Наш институт обучает студентов в различных специализированных областях.
II.
1. Unless properly treated (определение) the metal is not applied for rails. – Если металл не обрабатываетс, как надо, он не идёт на рельсы.
TRACKS FOR TRAINS
Дороги для поездов

The first rails were of cast iron, but as soon as traffic on these rails became heavier it was found