八年级上册英语课文翻译-new

Unit1 EncyclopaediasLook it up!Here are two articles from an encyclopaedia.Da Vinci, LeonardoLeonardo 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. As he grew older, he learnt to do many different things. His paintings are very famous, and one, the Mona Lisa, is perhaps the most famous painting in the world. He also had many inventions. For example, his notebooks include some interesting drawings of flying machines. (See Art) DinosaursDinosaurs lived on Earth more than 60 million years before human beings. They lived everywhere on Earth. Some dinosaurs were as small as chickens. Others were as big as ten elephants. Some could even fly.Many dinosaurs ate plants. However, some dinosaurs liked to eat meat.Dinosaurs lived on Earth for more than 150 million years. Then, suddenly, they all died out. Nobody knows why. However, we can learn about them from their fossils. (See Earth history)查找它！这里有来自百科全书的两篇文章。

列奥纳多•达•芬奇列奥纳多•达•芬奇(1452 - 1519)是意大利画家,发明家,音乐家,工程师和科学家。

达芬奇出生在农村。

从很小的时候,他表现出极大的智慧和艺术才能。

当他长大时,他学会了做很多不同的事情。

他的画是非常出名的,其中一个,蒙娜丽莎,也许是世界上最著名的画。

他也有很多发明。

例如,他的笔记本包括一些有趣的飞行机器的图画。

(见艺术)1恐龙恐龙生活在地球上人类6000万多年前。

他们生活在地球各个地方。

一些恐龙和鸡一样小。

其他的有十头大象一样大。

一些甚至可以飞。

许多恐龙吃植物。

然而,一些恐龙喜欢吃肉。

恐龙在地球上生活了亿多年。

然后,突然,他们都灭绝了。

没有人知道为什么。

不过,我们可以从化石中了解他们。

(见地球历史). Unit 2 NumbersThe king and the riceA long time ago, there was a king in India. The king’s favourite game was chess.One day, a wise old man came to the palace and the king challenged him to a game. The king promised the old man, “ You can have any prize if you win the game.”The old man said, “If I win the game, I’d like one grain of rice for the first square of the chessboard, two for the second, four for the third, and then double the amount for each of the rest of the squares.”“Is that all” asked the king. “Wouldn’t you like gold or silver instead”“No, just rice,” replied the old man.The king and the old man played the game for a long time. Finally, the old man won. So the king ordered his men to collect a bag of rice. He put one grain on the first square, two on the second, and so on. The king quickly realized the problem --- even with all the rice in the country, he would still not have enough rice to put on all the squares!2国王和大米很久很久以前,有个印度的国王。

国王最喜欢的比赛是国际象棋。

有一天,一个睿智的老人来到皇宫,国王向他挑战比赛。

国王允诺老人:“如果你赢得比赛你可以拥有任何奖品,。

”老人说“如果我赢得比赛:,我想要一粒大米在棋盘的第一个方格,两粒在第二个,四粒在第三个,然后使每个剩余的方格在数量上加倍。

”“就这些吗”国王问道。

“难道你不想要金银来代替”“不,只是大米,老人回答说:。

国王和老人玩了很长时间。

最后,老人赢了。

国王命令他的助手们收集了一袋大米。

他把一粒放在第一个方格,两粒在第二个,以此类推。

国王很快意识到这一问题——即使算上这个国家的所有大米,他仍然没有足够的大米放满所有的方格!Unit 3 ComputersComputer facts Smaller and betterIn the 1940s, the first computers were bigger than cars. Now computers are becoming smaller and better.Some computers are tiny. You may be unaware of them. There is probably one inside your TV or washing machine. You depend on computers more than you realize.What can we do with computersWe can use computers to calculate. They can calculate at a faster speed than we can and almost never give wrong answers. We can also type and draw things with them. In3addition, computers can do important jobs like operatingrailways and flying planes and spaceships.Is a computer cleverer than meThe answer is “No”. Your brain can produce new ideas but computers cannot. However, one day computers may be able to a better job than human beings. For example, they may be better than doctors at doing their job.What will happen to us if computers can do all our jobs Will we have nothing to do Computers may change our lives, but will they make them better电脑的事实越小越好在1940年代,第一台计算机比汽车大。

现在电脑变得越小越好。

一些电脑很小。

你可能都没有意识到他们。

可能在你的电视或洗衣机里就有一个。

你比你了解到的更加依赖电脑。

我们可以用电脑做什么我们可以用电脑来计算。

他们可以以更快的速度比我们所能计算,几乎从未给错误的答案。

我们也可以用它们打字和画画。

此外,电脑能做重要的工作如操作铁路系统，驾驶飞机和宇宙飞船。

计算机比我聪明吗答案是“不”。

你的大脑能产生新想法,但计算机不能。

然而,有一天计算机可以比人类更好的工作。

例如,他们可能比医生更好地做他们的工作。

如果电脑能做所有的工作会对我们发生什么我们会无事可做吗电脑可能会改变我们的生活,但是他们会使生活更好吗Unit 4 InventionsGreat inventions4Great inventions change the world. They help people live a better life. The following are three of the most important inventions in history.The wheelThe wheel is perhaps the greatest invention in history. After its invention, travelling became faster and more comfortable. A few thousand years ago, people started to use wheels on carriages. In the early 19th century, the first trains began to carry passengers. At the start of the 20th century, cars became popular. Without the wheel, we would not have these inventions.The telephoneAlexander Graham Bell invented one of the first practical telephones in 1876. Since then, people have been able to speak to each other over long distances. Today millions of people across the world own mobile phones. They allow people to keep in touch with each other anytime, anywhere.The light bulb Thomas Edison developed the first practical light bulb in 1879. Before the invention of the light bulb, people had to use oil lamps, gas lamps or candles to see at night. With light bulbs, people can do as many things in the evening as they can in the daytime. Can you imagine living without them伟大的发明伟大的发明改变世界。