Экзамен. Англиский язык. 2-й семестр. Варинт у всех один

Задание 1.Выберите правильную форму глагола.
1. No city has cables ___________ directly.
a. lay
b. are laying
c. laid
2. Computers ___________ to perform series of mathematical operations.
a. are used
b. are using
c. have used
3. ___________ power losses, thick wires should be used.
a. Reducing
b. To reduce
c. Having reduced
4. For information ___________, it must be attached to a radio – frequency carrier wave.
a. to be transmitted
b. will be transmitted
c. transmitted
5. Various installations ___________ to transform electric power into mechanical and heat power.
a. have been used
b. are using
c. are being used
6. The experiment ___________ to be continued .
a. reports
b. is reporting
c. is reported
7. A computer ___________ to possess four main parts.
a. has been known
b. is known
c. knows

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