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46、 When I am a boss, I will no longer have to search for this thing．This sentence means __.
A． when I have power, I will have happiness
B． being a boss is more important than feeling happy
C． when I become a boss, I will never search for happiness
D． boss and this thing mean the same to boss and I

47、 What will make one man happy may not make another man happy．This sentence means __.
A． when one man feels happy, another man will feel sad
B． what will make one man happy may make another man happy also
C． different people hold different opinions about happiness
D． both A and B

48、 The right side of the brian __.
A． processes and puts into order the information which comes in
B． is usually better developed than the left side in western society
C． is usually not as well developed as the left side in western
D． is usually developed as well as the left side in western society

49、 The brain works much more efficiently when __.
A． both sides of the brain are used equally
B． the left side is fully developed
C． scientists work on it
D． the right side is fully developed

50、 Einstein and Russell died when
A． their brains could not function efficiently any more
B． the full development of both sides of their brain was achieved their bodies stopped working
C． they were very old
D．

51、根据以下资料，回答51-70题。 　　Like the body, the memory improves with use．Unlike the body, the memory can improve with age.
　　For many years, doctors have been studying the way the brain works．We all know that the brain has two sides, the left and the right．The right side controls the senses (seeing, hearing, feeling, tasting and smelling), and is the creative and imaginative side．The left side of the brain controls our logical thinking．It processes the information which comes in, and puts it into order．We call the left side the "educated" side of the brain and generally, in western societies, people have developed this side of the brain more than the right side.
　　Scientists believe that our brain will work much more efficiently if both the right side and the left side are developed equally．In many schools today, teachers try to educate the children in such a way that both sides of the brain are used．This can be done with logical subjects including mathematics and science as well as with creative subjects such as art and literature．The result achieved by students who are educated in this way is usually better than the result of students who are educated in a more traditional way．Traditional teaching tends to exercise the left side of the brain without paying very much attention to the development of the right side.
　　Great thinkers such as Bertand Russell, the philosopher, and Albert Einstein, the scientist, only in their work, but also in creative and imaginative activities．It was because of their many different interests in life that they were able to achieve the full development of both sides of their brain.
　　As long as Einstein and Russell lived, their brains functioned efficiently．It was their bodies, finally, which could not go on any longer. The left side of the brain controls
A． the senses
B． the right side
C． logical thinking
D． the action

52、根据以下资料，回答52-71题。 　　A hundred years ago, the game we now call football did not exist．American football started during a game between two colleges．The teams had got together to play what they called "football", but each team played by different rules．One team played what we now call soccer．The other played what we now call rugby (橄榄球) .
　　Both games had been invented a thousand years before．In the first kind of football game ever played, all the men from one village tried to kick a ball into another village．The men of the second village tried to kick the ball into the first．Hundreds of people joined in, running everywhere, running crops and knocking down fences．In time, people agreed on some rules to keep order, but many rules were left open to change．Different rules developed in different places.
　　When the two colleges met to play football, each followed its own rules．They mixed the games together and invented a new game．A hundred years 1.ater we call that game American football.
　　In what ways do you suppose the game we know now will have changed in another hundred years? When the two colleges first met to play "football", the players followed __.
A． the rules of soccer
B． the rules of rugby
C． different rules
D． college rules

53、 "Both games" at the beginning of the second paragraph refers to __.
A． soccer and rugby
B． American football and British football
C． two village ball games
D． two new football games

54、 What message can we get from the last paragraph ?
A． American football might develop in different place
B． American football is supposed to be changeabl
C． American football will have its own rule
D． American football might see changes in the years to com

55、 What does the passage mainly discuss ?
A． The changes of socce
B． The rules of rugb
C． Different village player
D． The birth of American footbal