　　LouisBraillewasablindmanandheinventedthecodeforthebli...

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Louis Braille was a blind man and he invented the code for the blind. His code gave windows to the blind. In the year 1812, Louis Braille was a very small boy. He lived in a small town. His father had a small shop. One day, Louis was playing in the shop and picked up a small tool with a very sharp point. Louis fell down and the point of the tool hurt his eyes, and later he became blind in both eyes.

At ten, Louis went to the school for the blind in Paris. One day, on a visit home, he said to his father, “Blind people are very lonely in the world. Only books can free the blind. But there are no books for us to read.”

Since then Louis wanted to make books for the blind. Instead of letters, he wanted to use shapes that were easy to tell apart by touch. Louis tried and tried, but he couldn’t come up with a code that would work.

Later, while teaching at a school for the blind in Paris, Louis heard of a kind of “night writing”, which was a code that a French army captain had made up for sending messages on the battle field. The message was “written” in raised dots and dashes. It was “read” by touch. Louis had been trying to find a code that blind people could read, but he failed again and again. Now he thought the idea of “night writing” might be the answer. He never rested from the time when meaning of “night writing” hit him until five years later. He worked and worked and finally came up with a simple system in which he made six holes in different positions within a small space on a piece of paper. With these six holes, he could make sixty-three different combinations. Each combination meant a letter or a short word. In addition to the letters, he could have punctuation marks and even short words like “the” and “for”. Soon Louis wrote a book using the Braille system.

Louis died in 1852, when he was only 43. But his name lives on. It lives on as the name of the code that he invented and the code is still used by the blind.

1. When were Louis Braille’s eyes hurt?

A. When he was only ten years old. B. When he was only nine years old.

C. When he was only four years old. D. When he was only three years old.

2. How long did it take Louis Braille to invent the Braille system of reading for the blind?

A. Five years B. More than five years

C. Less than five years D. Not mentioned

3. Braille was excited by the captain’s “night writing” because _____.

A. people could read this kind of writing at night

B. it used dots and dashes instead of letters

C. it could be used to send messages on the battle fields

D. it could be recognized by touch

4. Braille system uses sixty-three combinations to show ______.