题目内容：

阅读下面的短文，然后根据短文内容回答问题。

Leonardo da Vinci was born on April 15, 1452 in Italy. He is best known as an artist today. One of his famous paintings is called Mona Lisa. However, Leonardo had many other natural abilities. He was also a great inventor. Many of his inventions have become important in modern daily life.

Although Leonardo hated war, he invented many different machines used for war. His most special invention was the machine gun, which was produced in war many years later.

Leonardo tried to find out the secret of flying, he watched the way birds fly. Among his sketches(素描) we can see many objects. We consider them as modern flying machines.

Leonardo spent many hours thinking about: How to make good use of time. He developed ideas for labor-saving machines like cutting machines.

Leonardo was a strange man. He didn't eat any meat, which was very unusual in those times. He never published his ideas and discoveries. He usually used mirror writing, which look like writing in the mirror starting from the right side of page and moving to the left.

We have very few of his works today. Leonardo finished only a few of his painting. He left many unfinished because he thought they were not perfect. No one in his life time knew how great Leonardo was. We now believe, however, that he was one of the cleverest men that the world has ever known.

1.What was Leonardo da Vinci?

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2.Did Leonardo invent any machines used for war?

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3.How did Leonardo try to find out the secret of flying?

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4.Why didn't Leonardo finish all his works?

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5.How do people nowadays like Leonardo?

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