阅读理解Inventions The first telephone was invented by Alexander Graham Bell in 1876. It made communications easier. But the telephones were only fixed in post offices. People had to go there to make calls to faraway people and the fees were very high. Later, a cellphone was developed in 197...
Phone The first telephone was invented by Alexander Graham Bell in 1876. It made communications easier. But the telephones were only fixed in post offices. People had to go there to make calls to faraway people and the fees were very high. Later, a cellphone was developed in 1973in America...
Phone The first telephone was invented by Alexander Graham Bell in 1876. It made communications easier. But the telephone were only fixed in post offices. People had to go there to make calls to faraway people and the fees were very high. Later, a cell phone was developed in 1973 in Amer...
Alexander Graham Bell's Revolutionary Invention In 1871, Bell started working on the harmonic telegraph — a device that allowed multiple messages to be transmitted over a wire at the same time. While trying to perfect this technology, which was backed by a group of investors, Bell became preoc...
Inventions Phone The first telephone was invented by Alexander Graham Bell in 1876.It made communications easier.But the telephones were only fixed in post offices.People had to go there to make calls to faraway people and the fee
InventionsPhoneThe first telephone was invented by Alexander Graham Bell in 1876.It made communications easier.But the telephones were only fixed in post offices.People had to go there to make calls to faraway people and the fees were very high.Later, a cellphone was developed in 1973 in ...
PhoneThe first telephone was invented by Alexander Graham Bell in 1876.It made communications easier.But the telephones were only fixed in post offices.People had to go there to make calls to faraway people and the fees were very high.Later,a cellphone was developed in 1973in America.It was...
However, let’s not forget the many other Alexander Graham Bell Inventions… Farming Device At the age of twelve Bell built his first-ever invention, a device that used rotating paddles along with metal brushes to dehusking wheat, a process that prior to this invention was extremely laborious....
4.The telephone __was_invented__(invent) by Alexander Graham Bell in 1876. 5.Many trees __are_planted__(plant) in our city every year. 6.When you leave the room, make sure the door __is_locked__(lock). 7.—What should we do first if we want to develop our village? —A lot...
1.X-rays(X光) were discovered in 1895 by a German professor, Wilhelm Roentgen.是答案提示。 2.The telephone was invented by Alexander Graham Bell, a doctor and speech teacher for the deaf.是答案提示。 3.Television was invented in 1926 by John Logie Baird, a Scottish inventor.是答案提示。