Read the text. For questions 1-10 choose the correct answer A, B, C or D.

1 A discovery B confirmation C invention D evidence
2 A illustrate B picture C reflect D represent
3 A predicted B judged C reckoned D valued
4 A capacity B possibility C probability D certainly
5 A coming B following C successive D later
6 A lucky B profitable C successful D fortunate
7 A well-said B well-known C well-done D well-made
8 A officially B publicly C famously D remarkably
9 A dropping B sinking C falling D collapsing
10 A voyage B travel C cruise D expedition

Radio waves
Today, many of our most important electronic appliances work by using electromagnetic waves, including radio and TV receivers and wireless Internet devices. The technological advances which led to the creation of these devices started with the 1_____ of radio waves. Radio waves are used for the transmission of electronic pulses that 2____ sounds, information and pictures. Scottish physicist James Maxwell first 3____ the existence of radio waves in the 1860s. World-famous Italian inventor Guglielmo Marconi later proved that radio communication was a real 4_____ when he transmitted the world's first wireless radio signal in 1895. At a 5____ date, the letter S in Morse code was broadcast over 2,100 miles across the Atlantic from the USA to England in 1901. It was the first 6____ wireless radio signal to cross between continents. Marconi's company became 7____ as a provider of wireless equipment and operators for shipping. It most 8____ supplied equipment to the Titanic. The company's wireless transmissions helped save many lives, as SOS messages were sent out from the 9____ ship to other ships nearby. Marconi had been invited to sail on the ship's first 10____ but had not been able to make it. It was only after the event that he must have realized how lucky he had been!