A

Do you know Laszlo Biro？Maybe you do not，but you probably use his invention every day，and you may even have （A） itin your hand right now!

Biro （1899﹣1985）was the inventor of the ballpoint pen．He was born in Budapest，Hungary．In the

1930s，when he worked as a newspaper editor （编辑），he used a fountain pen （B） almostevery day．However，he had to refill it all the time．The ink also did not dry easily，and it sometimes made a mess on the paper．Biro （C） 想要更好的笔．His brother，George，helped him develop a special ink．The ink dried easily．Then they developed a new type of pen．There was a （D） tinyball at the tip of the pen．The ball rolled ink onto the paper as it moved．They call it the"ballpoint"pen．

The ballpoint pen was a great success．Everyone love it．Now （E） millions of people use it all over the world every day ．

People will always remember Biro for his invention．Today in many English﹣speaking countries，people still use the word"biro"to refer to any kind of ballpoint pen．

51．文中画线部分（A）指代的是： 　　

52．写出文中划线部分（B）和（D）的近义词或同义词： 　　； 　　

53．将文中画线部分（C）译成英语： 　　

54．将文中画线部分（E）改写为several 　　people use it 　　in the world everyday．

55．从文中找出圆珠笔的两种表达法： 　　； 　　．