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If you are writing or studying, it makes much difference where the light comes from. People     use   46  and pens every day. They have to be very careful about the way of the light because the light shines on their work.
Every  47   gets its light either from daylight   48   the window   49   from the lamps or electricity,   50  no matter what kind of light it is, the way it shines towards our books or work is very important to the eyes.
Take a book and sit with your   51   toward the window, and try to read. Your shadow(影子) falls all over the page and makes it   52   for your eyes as if you were in a   53   room.
Now turn around and face the window. The page is   54   shadow again, while the bright light is in your eyes.
Try sitting with your   55  side toward the window. This is very good for   56   , but if you were writing, the shadow   57   fall across the page and bother you  58  .
There is another way – sit  59   your left side to the window. Now everything is perfect for writing as well.
Whatever kind of light is in the room, the rule about the right way to sit is   60   the same.

Long, long ago people made fire from lightening（閃電）. But they had to keep the fire burning, for they couldn’t start it again if there was no lightening. Later, they found out hitting two pieces of stone together could make a spark（火花）. Then spark could burn dry leaves. In this way they could make the fire again if it went out. Then people also learned to make a fire by rubbing（摩擦）. They made a hole in a piece of wood and put a smaller stick into the hole. They turned the stick again and again. After a few minutes they got a fire.

Years went by, people learned other ways to make a fire. Sometimes they used the heat from the sun. They held a piece of glass in the right way and made a piece of paper of fire.

About two centuries age, people began to make matches（火柴）. Matches brought people a quick and easy way to make fires. Today matches are still being used, but people have more new ways to make fires. One of them is use an electric fire starter. Of curse an electric fire starter is much more expensive than a box of matches. But it is very useful.

（  ）49. From the text we know that a spark can            .

A. burn any leaves.                 B. burn anything

C. burn dry leaves                  D. keep the fire burning

（  ）50. We can also get a fire by            .

A. making a hole in a big piece of wood

B. putting a smaller stick into the hole

C. turning the stick hard for a while

D. doing all the above in order

（  ）51. From the passage, we know that            .

A. electric fire starters are widely used            

B. some forest fires happen from lightening

C. today there are only two ways to make a fire           

D. people haven’t used matches since they had electric fire starters

Watson won his most important game and became Southern Chess Master in 1977. He was given the silver cup.

“It isn’t rightly mine,” he said, when he was holding the cup.” “It was won two years ago when I was on holiday in…”

“A family was staying at my hotel at that time. Mrs. Prig, the mother, was told that I played chess; and she begged me to give her young son a game. ‘He’s only ten.’ she said, ‘I’ve been told that he plays quite well. ‘

“Well, as you can guess, I wasn’t too happy. A player likes the opponent (對手) to play as well as he does. But it was holiday time and I agreed to play. We placed the board in the garden. The game began. I hoped it would be quick — and so it was.

“I soon knew that David Prig was no learner. After ten minutes his sister came outside and began to play tennis against a wall. The boy seemed to lose interest in our game. He moved a piece (棋子) without care. I gave my attention to the board.

“Call me when you are ready, Mr. Watson,” he said.

When I was ready? I looked up. He had gone off to play with his sister. I studied the board, and found I was driven into corner. So it went on with David: a quick move, then tennis, back to the board, then back to his sister. My difficult condition became impossible to change. I was beaten. Oh, so easily, by a ten-year-old chess player. He was the winner—in twenty-eight minutes.

“David Prig, a name to remember. I had a chance to use his game today, and it won this cup for me. To him, of course, it is only one of a hundred, or perhaps a thousand, winning games.” (from www.zkenglish.com)

(    )46. When Mr. Watson said, “It isn’t rightly mine. It was won …”, he meant ____ two years before.

A. he had played chess with a little boy for twenty-eight minutes

B. he had had a chance to take part in an important game

C. he had learned how to play chess from a child

D. he had learned a good game from a child

(    )47. Before the game, Mr. Watson was quite sure that _______.

A. the boy played as well as he did

B. he would be Southern Chess Master two years later

C. he could win the game easily

D. the boy would win the game quickly

(    )48. Why did David play tennis while he was playing chess with Watson?

Because he __________.

A. had no interest in playing chess with adults (成年人)

B. was not good at playing chess

C. liked playing tennis much better than playing chess

D. played chess much better than Watson

(    )49. From the story, we know that __________.

A. David Prig was the real winner

B. Mr. Watson was the real winner

C. neither of them was the real winner

D. both of them were the real winners

(    )50. Which of the following is NOT true?

A. Sometimes young children can beat adults in playing chess.

B. Watson thought he could win the game quickly, and so he did.

C. Watson learned something from David and won the silver cup.

D. Watson would never forget the name of the boy.

His talent and charm have made him the No.1Chinese classical artist in the world. And he played in the grand Beijing Olympic opening ceremony in 2008, watched by a TV audience of 5 billion.

　 Lang Lang, 26, is the first Chinese pianist to play with the world's top orchestras (管弦樂隊），making his first appearance at the Carnegie Hall in New York at 18, while still a student.

　 Lang's charm and fondness for sharp clothes make him a natural fit to represent China's new international image. According to the British newspaper the Times, "The Lang Lang effect" is responsible for driving 36 million Chinese children to learn the piano.

　 Now in China children are learning Chopin and Western orchestras are playing sold-out tours across Chinese cities. But can China ever introduce its own music to the West? Lang is trying. His cooperation（合作） with the London Symphony Orchestra this month includes a performance of Dragon Songs, an album of traditional Chinese classics.

Behind the international recognition, however, is a fascinating story of a gifted child. Lang grew up with his father's own musical ambition(抱負) and high expectations. It is not hard to imagine how boring it must be to practice the piano ever3r day. Lang said that he once hated his hands and the piano. He got his right hand hurt six years ago and had to rest. "That was the best month," he says. "I had a date. I saw a Broadway show and saw Britney Spears in concert."

46. What is the main reason why Lang Lang is the No.1 Chinese classical artist in the world?

　　 A. He played in the Beijing Olympic opening ceremony in 2008.

　 　 B. He usually plays with the world's top orchestras.

　　 C. He tries to introduce Chinese music to Western countries.

　　 D. He plays the piano so well and has a good international image.

47. Lang Lang is trying his best to ______ now.

　　 A. introduce China's own music to the West

B. play sold-out tours across Chinese cities

C. encourage children to learn the piano

D. prepare for a performance of Dragon songs

48. Which of the following about Lang Lang is true?

A. He didn't like sharp clothes at all.

B. He had a good rest and enjoyed himself because he got his right hand hurt. .

C. He has had a great musical ambition since his childhood. .

D. He first appeared in the Beijing Olympic Games in 2008.

49. From the last paragraph we can learn ______.

A. Lang didn't like playing the piano at all as a child

B. He was happy to practice the piano every day

C. His father's wish and expectations played an important role in his childhood

D. He hurt his hands six years ago