Here are two articles from an encyclopaedia.

Da Vinci, Leonardo

Leonardo da Vinci (1452~1519) was an Italian painter, inventor, musician, engineer and scientist.

Da Vinci was born in the countryside. From an early age, he showed great intelligence and artistic ability. (A) As he grew older, he learnt to do many different things. His paintings are very famous, and one, the Mona Lisa, is perhaps the (B) most famous painting in the world. He also had many inventions. For example, (C) his notebooks include some interesting drawings of flying machines. (See Art)

Dinosaurs

Dinosaurs lived on Earth more than 60 million years (D) ________ human beings. They lived everywhere on Earth. Some dinosaurs were as small as chickens. Others were as big as ten elephants. (E)一些甚至可以飞.

Many dinosaurs ate plants. However, some dinosaurs liked to eat meat.

Dinosaurs lived on Earth for more than 150 million years. Then, suddenly, they (F) ________ died out. Nobody knows why. However, we can learn about them from their fossils. (See Earth history)

Beethoven was born in Germany in1770. He was one of the greatest _______ in the world.

Most of us have heard of his music. Even as a child Beethoven did not have a happy life. His father was a singer, _______ he was very lazy and always drank a lot. When Beethoven was only four, his father _______ to make him a musician. So Beethoven had to play the music. He learned very _______ and seven years later he could go around and give concert when he was _______.

A few years later, Beethoven went to Vienna to study _______ Haydn, a famous Austrian composer(作曲家). Soon he could write a lot of music _______. Beethoven was often ill in his life. After one illness, there was something wrong with his ears. He couldn’t _______ any more. This didn’t stop Beethoven. He kept _______ many pieces of music. To everyone’s surprise, Beethoven wrote his most ________ pieces such as Destiny after he became deaf. It was wonderful, so it was famous all over the world.

Here are two articles from an encyclopaedia.

Da Vinci, Leonardo

Leonardo da Vinci was an Italian painter, inventor, musician, engineer and     76     (science). Da Vinci was born in the countryside. From an early age, he     77     (show) great intelligence and artistic ability. As he grew older, he learnt to do many different things. His     78     (paint) are very famous, and one, the Mona Lisa, is perhaps the most famous painting in the world. He also had     79     (much) inventions. For example, his notebooks include some     80     (interest) drawings of flying machines.

Dinosaurs

Dinosaurs lived on Earth more than 60 million years before human beings. They lived everywhere on Earth. Some dinosaurs were as     81     (small) as chickens. Others were as big as ten elephants. Some     82     (can) even fly. Many dinosaurs ate plants. However, some dinosaurs liked     83     (eat) meat. Dinosaurs lived on Earth for more than 150 million years. Then, suddenly, they all died out. Nobody     84     (know) why. However, we can learn about them from     85     (they) fossils.