X—rays were discovered in 1895 by a German Professor, Wilhelm Roentgen. People all over the world were amazed by his invention---- the X-ray machine. This invention was so important that Roentgen was awarded the first Nobel Prize for physics in 1901.

    The telephone was invented by Alexander Graham Bell, a doctor and a speech teacher for the deal. The first phone call was made by Bell in 1876. He had spilled(溅出) acid(酸) on his pants and wanted his assistant, Thomas Watson, to help him. The first words spoken on the telephone were “Mr Watson, come here! I need you!”

    Television was invented in 1926 by John Logie Baird, a Scottish inventor. Baird’s television certainly didn’t look like a television today! It was made of a box, knitting needles, a cake tin, a bicycle lamp, and a cardboard disc. Electronic televisions like the ones we have today were invented by Vladimir Zworykin in the 1920s in the United States.

    The first computer was built in 1946 by two American engineers, J.P.Eckert and John Mauchly. It was developed for the army, and it was so large that it took up an entire room! Later, in 1971, the “microchip” was invented, and small home computers were first produced for personal use. Today computers are involved(包含)in almost everything we do and are found almost everywhere we go.

根据短文内容判断句子正（T）误（F）。(每题1分，共5分)

(   )81. X—rays is an important invention.

(   )82. Wilhelm Roentgen was awarded the first Nobel Prize for Physics.

(   )83. The telephone was invented by a Thomas Waston.

(   )84. Electronic televisions like the ones we have today were invented in the United States in the 1920s.

(   )85. The first computer was invented by Americans in 1971.

What makes the world become smaller? Some inventions, It began in the 11th century, But it has developed greatly in the last century. Let’s take a look at the five top inventions.
Movable Type(活字印刷) :By using Movable Type, books could be printed cheaply and easily. Bi Sheng invented Movable Type in China in the 11th century.
Telephone: The inventor Alexander Graham Bell made the first telephone call in 1876." Mr. Watson, come here. I want you ,"he said to his assistant(助手) over the phone line. And with those famous words, the world was about to get much smaller.
Airplane: The Wright brothers made the first powered flight in1903.Air travel has made the far way places suddenly become a lot closer.
Satellites: The Soviet Union sent up the world’s first satellite in 1957. This begin the Space Age. Satellites have helped scientists study the earth. Much of our knowledge of the world has come from the information recorded by satellites.
Internet: When the Internet was created in 1969. only a few people knew about it. But more than 650 million people in the world use it now. The Internet has made information about anything easy to get.

What makes the world become smaller? Some inventions, It began in the 11th century, But it has developed greatly in the last century. Let's take a look at the five top inventions.

Movable Type(活字印刷) :By using Movable Type, books could be printed cheaply and easily. Bi Sheng invented Movable Type in China in the 11th century.

Telephone: The inventor Alexander Graham Bell made the first telephone call in 1876." Mr. Watson, come here. I want you ,"he said to his assistant(助手) over the phone line. And with those famous words, the world was about to get much smaller.

Airplane: The Wright brothers made the first powered flight in1903.Air travel has made the far way places suddenly become a lot closer.

Satellites: The Soviet Union sent up the world's first satellite in 1957. This begin the Space Age. Satellites have helped scientists study the earth. Much of our knowledge of the world has come from the information recorded by satellites.

Internet: When the Internet was created in 1969. only a few people knew about it. But more than 650 million people in the world use it now. The Internet has made information about anything easy to get.