Question

Rewrite sentences in the passive voice 1. Engineers in the fields of electric power and mechanics have brought about several important developments 2.Digital systems are replacing anolog one 3.Engineers use computers to solve complex problems 4. It is difficult to generalize from the marginal point the current motives for investment in robots 5. Engineers continue to work to squeeze great numbers of circuet elements onto smaller chips

Answer 1

1. Several important developments have been brought by engineers in the fields of electric power and mechanics.

2. Analog is being replaced by digital systems

3. Computers are used by engineers to solve complex problems

4. The current motives for investment in robots is difficult to be generalized from the marginal point.

5. The work to squeeze great numbers of circuit elements onto smaller chips are continued by engineers.

Answer 2

1. Several important developments have been brought about by engineers in the fields of electric power and mechanics.

2. Analog systems are being replaced by digital ones.

3. Computers are used by engineers to solve complex problems.

4. Generalizing from the marginal point, the current motives for investment in robots are difficult to determine.

5. Great numbers of circuit elements are being squeezed onto smaller chips by engineers.