门头沟悦景湾现在价格:谁告诉我关于科学家的英语介绍,不要太难!

以下是介绍英国伟大的科学家和物理学家史蒂芬.霍金的
NO BOUNDARIES
imagine this:you are twenty-one years old and a promising graduate student at one of the top universities in the world.One day,your doctor tells you that you have an incurable disease and may not have more than twelve months to live.How would you feel?What would you do?Most of us would probably feel very sad and give up our dreams and hopesfor the future.Here is what Stwphen Hawking thought:
(There did not seem)much point in working on my PhD--I did not expect to survive that long>Yet towyears had gone by and I was ont that much worse.Infact things were going rather well for me and I had got engaged to a very nice girl, Jane Wilde.But in order to get married, I needed a job,and in order to get a job,I needed a PhD.
Instead of gining up. Hawking went on with his research,got his PhD and married Jane Nor did he let the disease stop him from living the kind of life he had always dreamt of. He continued his exploration of the universe and travelled around the world to give lectures.In 2002,Hawking visiter China and spoke to university students on Hangzhou and Beijing.As his disease has disabled him,Hawking has to sit in his now-famous whellchair and speak through a computer.He told the students about histheories and thoughts on some of the greatest questions:What is time,how did the universe begin,and what exactly sreblack holes?
Hawking became famous in the early 1970s, when he and American Roger Penrose made new discoveries about the Big Bang and blacd goles.Since then ,Hawking has continude to seek answers to questions about the nature of the universe.In 1988,he wrote A Brief History of Time, which quickly became a best-seller. Readers were pleased and surprised to find that a scientist could write about his word in a way that ordinary people could understand.
In the bood ,Hawking explains both what it means to be a scientist and how science words .He tells readers how discoveries are made and how they change the world.Science,according to Hawking is often misunderstood:people lften think that science is about "true"facts that never change. Scientists,on the other hand, hawking writes, know that their job is never finished and that even the best theory can turn out to be wrong .
A scientific theory is the result of the scientific method. Scientists look at the world and try to describe and explain what they see .First. they carefully observe what they are interested in .To explain what they gave seen,they build a theory about the way in which things gappen and the causes and effects.Finally, the scientists test the theory to see if it matches what they gave seen and if it can predict future enents. If what they are observing can be tested in a practical way ,scientist will use experiments.But if, lide Hawking, they are studying something that is too large or too diffcult to observe directly, they will use a model to test the theory.
People who listen to Hawking 's lectures sometimes find it difficult to understand him ,because his thoughts and ideas often seem as large as the universe he is trying to describe.The speech computer is not the problem.In fact, piople who hear it often say it sounds just likea guman voice.Hawking is happy with it ,too."The only trouble ,"says Hawking, who is British,"is that it gives me an American accent."
PS:打得有点急,可能有的词会打错,有不通顺的地方要仔细思考,这是高二年的课文,难度适中,生词不明白要勤查词典,衷心希望你能学好英语!
牛顿

Isaac Newton was born on December 25, 1642 (by the Julian calendar then in use; or January 4, 1643 by the current Gregorian calendar) in Woolsthorpe, near Grantham in Lincolnshire, England. He was born the same year Galileo died. Newton is clearly the most influential scientist who ever lived. His accomplishments in mathematics, optics, and physics laid the foundations for modern science and revolutionized the world.

Newton was educated at Trinity College, Cambridge where he lived from 1661 to 1696. During this period he produced the bulk of his work on mathematics. In 1696 he was appointed Master of the Royal Mint, and moved to London, where he resided until his death.

As mathematician, Newton invented integral calculus, and jointly with Leibnitz, differential calculus. He also calculated a formula for finding the velocity of sound in a gas which was later corrected by Laplace.

Newton made a huge impact on theoretical astronomy. He defined the laws of motion and universal gravitation which he used to predict precisely the motions of stars, and the planets around the sun. Using his discoveries in optics Newton constructed the first reflecting telescope.

Newton found science a hodgepodge of isolated facts and laws, capable of describing some phenomena, and predicting only a few. He left it with a unified system of laws, that could be applied to an enormous range of physical phenomena, and used to make exact predications. Newton published his works in two books, namely "Opticks" and "Principia."

Newton died in London on March 20, 1727 and was buried in Westminster Abbey, the first scientist to be accorded this honor. A review of an encyclopedia of science will reveal at least two to three times more references to Newton than any other individual scientist. A 18th century poem written about Sir Isaac Newton states it best:

“Nature and Nature's laws lay hid in night:
God said, Let Newton be! and all was light.

—Alexander Pope

Yao Ming 姚明的简介，我知道初三的课本有爱迪生的介绍

Position: C
Born: Sep 12, 1980
Height: 7-5 / 2,26
Weight: 296 lbs. / 134,3 kg.
From : China

2004-05
Statistics
PPG 18.3
RPG 8.40
APG 0.8
EFF + 20.60

Ranked third in NBA field goal percentage in 2004-05 with a .552 average
three-time NBA All-Star (2003-05)

Among NBA leaders, ranked seventh in field goal percentage, 13th in blocked shots per game and 15th rebounding average (2003-04)

Through 2003-04, has yet to miss a game in his NBA career
Named starting center for Western Conference All-Star team for second consecutive season (2004)
Ranks third in Rockets history in career blocked shots per game and eighth in career blocked shots
Has compiled 60 career double-doubles
Earned first-ever Western Conference Player of the Week honors on 3/8/04

Scored a career-high and Rockets individual season-high 41 points with 16 rebounds and a career-high seven assists vs. Atlanta on 2/22/04

Scored 22 points with a Rockets individual season-high and career-high 20 rebounds vs. Detroit on 12/6/03

Blocked a career-high seven shots vs. Miami on 11/11/03

Voted The Sporting News Rookie of the Year by NBA executives
Earned unanimous NBA All-Rookie First Team honors after averaging 13.5 points with 8.2 rebounds and 1.74 blocks in 82 games (2002-03)

Reached three blocks 26 times, as Houston held a 22-4 record in these contests (2002-03)

Started at center for the Western Conference in the 2003 NBA All-Star Game after ranking fourth overall in All-Star balloting with 1,286,324 votes
Named Western Conference Rookie of the Month for December 2002
Named Western Conference Rookie of the Month for February 2003

Posted the highest field goal percentage in NBA history over a six-game stretch, making 31-of-35 shot attempts for an accuracy of 88.6 percent from 11/9/02 - 11/21/02

Scored 20 points on a perfect nine-for-nine shooting against the LA Lakers on 11/17/02