Вставить в пропуски нужные слова.Cave men used to … to discuss daily activities.Inscribing on caves can be compared to …. .The first means of distance communication were …. .The smoke signal is still used in the Vatican to indicate …. .Pigeons were used for long distance communication due to …. .Cher Ami, a homing pigeon, was awarded …. for her service during world war IPony express was used to deliver messages and newspapers …. . …. were used at sea during the late 19th century.In the 19th century … was the most popular way of long distance communication.Radio in Latin means … .In 1864 James Maxwell showed mathematically that …. could travel through free space.In 1894 Marconi made an electric bell which went off …. .In 1920 … began.In 1876 Alexander Bell invented … .Only … could afford the telephone at first.PSTN is … .

Вопрос школьника по предмету Английский язык

Вставить в пропуски нужные слова.

Cave men used to … to discuss daily activities.

Inscribing on caves can be compared to …. .

The first means of distance communication were …. .

The smoke signal is still used in the Vatican to indicate …. .

Pigeons were used for long distance communication due to …. .

Cher Ami, a homing pigeon, was awarded …. for her service during world war I

Pony express was used to deliver messages and newspapers …. .

…. were used at sea during the late 19th century.

In the 19th century … was the most popular way of long distance communication.

Radio in Latin means … .

In 1864 James Maxwell showed mathematically that …. could travel through free space.

In 1894 Marconi made an electric bell which went off …. .

In 1920 … began.

In 1876 Alexander Bell invented … .

Only … could afford the telephone at first.

PSTN is … .

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