. . . . .课文语法填空专练阅读下面短文，按照句子结构的语法性质和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的适当形式填空。八年级上册Unit1Here are two articles from an encyclopedia.Leonardo da Vinci (1452-1519) was (1) _ Italian painter, inventor, musician, engineer and scientist. He was born in the countryside. When he was young, he showed great intelligence and artistic (2) _ (able). As he grew older, he learnt (3) _ (do) many different things. His paintings are very famous, and one, the Mona Lisa, is perhaps (4) _ (famous) in the world. Also he had many (5) _ (invent), such as some interesting drawings of (6) _ (fly) machines.Dinosaurs lived on Earth over 60 million years before humans. They lived here (7) _ there on Earth. Some dinosaurs were as small as chickens. Others were as big as ten elephants. Some could even fly. Many of (8) _ ate plants while some like to eat meat. Dinosaur lived on Earth (9) _ more than 150 million years. Then suddenly they all disappear completely. The reason is still (10) _ (know). However, we can learn a lot from their fossils.Unit2A long time ago, there was a king in India. The king liked chess (1) _ (well) of all the games. One day, (2) _ wise old man came to the palace and the king challenge him (3) _ a game. The king promised the old man (4) _ (give) any prize if he won the game. The old man only asked the king for one grain of rice for (5) _ (one) square of the chessboard, two for the second, four for the third, and then double the amount for the rest of the (6) _ (square). The king and the old man played the game (7) _ a long time. (8) _ (final), the king (9) _ (beat) by the old man. So the king ordered his men (10) _ (collect) a bag of rice. He soon realized the problem-even with all the rice in the country, he would still not have enough rice to put on all the squares.Unit 3In the 1940s, the first computers were bigger than cars. Now computers are becoming smaller and (1) _ (good).Some computers are tiny and you may be (2) _ (aware) of them. There is probably one inside your TV or (3) _ (wash) machine. You depend (4) _ computers more than you realize. We can use computers (5) _ (calculate). They can calculate (6) _ a faster speed than we can and seldom give wrong answer. We can also type and draw things with them. Besides, computers can do important jobs like (7) _ (operate) railways and flying planes and spaceships. However, computers arent as clever as us. Our brain can produce new ideas. But computers may be able to do (8) _ better job than (9) _ (human).What will happen to us if computers can do all our jobs? Will we have nothing to do? Computer will change our lives, but will they make (10) _ better?Unit4Great inventions change the world. They help people live a better life. The following (1) _ (be) three of the most important inventions in history.The wheel may be the greatest invention in history. Travelling became faster and (2) _ (comfortable) after its invention. Several thousand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the (3) _ (begin) of the 20th century, cars became popular. (4) _the wheel, we would not have these inventions.One of the first (5) _ (practice) telephones (6) _ (invent) by Alexander Graham Bell in 1876. Since then, people (7) _ (be) able to speak to each other over long distances. Today millions of people across the world own mobile phones. They allow people (8) _ (keep) in touch with each other anytime, anywhere.Thomas Edison developed the first (9) _ (use) light bulb in 1897. With light bulbs, people can do as many things in the evening as they can in the daytime. Can you imagine (10) _ (live) a life without them?Unit 5Now a group of British students from Woopark School in London (1) _ (visit) Xinhua Junior High School in Beijing on an (2) _ (education) exchange.Sarah says she was very nervous at first but her host family are (3) _ (real) friendly. She is glad to be a guest in their home and has learnt (4) _ (use) chopsticks. Besides, she is being taught to speak Chinese. The students spend the weekdays (5) _ (study) with Chinese students. At the weekend, they travel around Beijing and visit places of interest (6) _ their host families. Eric says it (7) _ (be) a fantastic experience so far. In addition, he has learnt a little tai chi as well as a lot about Chinese culture and history. The teachers have introd