с английским, только те кто разбираются, не подставляйте, молю, это очень важно! Определите функцию глагола to be:
a) смысловой глагол;
б) глагол-связка в составном именном сказуемом;
в) вс глагол для образования Continuous Tense;
г) вс глагол для образования Passive Voice;
д) эквивалент модального глагола для выражения долженствования.
1. The spacing between repeaters is to be maximized.
2.. In some cases radio is the only means of communication.
3. These components are now in production.
4. The first semiconductor transistor was developed in 1943.
5. Highly reliable receivers are contributing to the successful operation on earth station.

1. Coaxial cables were used in long-distance common-carrier communication. - WERE USED -

вс глагол для образования Passive Voice.

2. The important function of postal service is distribution and delivery of newspapers, magazines and other

periodicals to population.- IS - смысловой глагол

3. In order to deal with the intersymbol interference problem we are to develop a mathematical model for the

data transmission system. - ARE TO develop - эквивалент модального глагола для выражения

долженствования.

4. A ground radar system is providing information by which aircraft appraches to landing. - IS PROVIDING -

глагол для образования Continuos tense

5. These methods do not permit inspection of the objects while they are in motion. - ARE in motion -

глагол-связка в составном именном сказуемом;

1)а

2)5

Объяснение:

Я правда разбираюсь и знаю 3 языка. Это %