Mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the

numbered blanks.

The invention with the biggest impact was probably the television. (7) ______. The first televised pictures

were sent over a short distance in 1924, and (8) ______ was formally demonstrated at the Royal Institute two

years later. The pictures on the screen were not clear, but the viewers could see that they were human faces,

and they could see their eyes opening and (9) ______. In 1928, images were sent from Britain to America,

and later, to (10) ______. In the same year, the first colour images were sent. The first ‘seeing-in sets’ were

sold that same year.

Another invention that became popular in the 1920s was the home refrigerator. People used different ways to

keep food cool and (11) ______long before the 1900s, but home fridges weren’t invented until 1913 in the

USA. Home fridges became very popular in the USA in the 1920s. British people were less interested in

fridges than Americans. They thought that they were unnecessary (12) ______. But fridges were heavily

advertised, and their advantages were described in detail. Soon, more fridges were sold, and the price

decreased.

Question 7.