Ex.5. Insert the suitable words or word combinations into the following sentences. The words are given below.

1. Television….us to see stationary and moving objects at great distance.

2. Television requires pictures to be sent….

3. The photoelectric cell is a special kind of….

4. It seems natural to consider sending….one after the other.

5. The same method can be used for pictures to be sent by….

6. At present….is being widely introduced, replacing the black and white TV.

 

by means of electricity; colour TV; enables; electronic tube; electricity; sections of pictures.