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What is colour? Why do some of the things around us look red, others green, others blue?¡¡¡¡
Colours come from reflected£¨·´É䣩light. We can see colours because some of the things reflect light. Something is red, because it reflects most of the red light. In the same way, if something is green, it reflects most of the green light. If something reflects all light, it is white. If something doesn't reflect any light, it is black.¡¡¡¡
Some light is not reflected£¨²»±»·´É䣩. It is taken in£¨±»ÎüÊÕ£©and turned into heat£¨±ä³ÉÊ죩. If the colour is darker, it reflects less light, and takes in more light.(1) Colour is really ________.
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A £®something itself |
B £®the light around something |
|
C £®reflected light |
D £®your eyes |
(2) Something looks red because it ________.
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A £®reflects most of the red light |
B £®takes in most of the red light |
C £®reflects less red light |
D £®takes in only red light |
(3) Something looks black because it reflects ________.
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A £®most of the black |
B £®all light |
C £®many different colours |
D £®no light |
(4) When light is taken in, it is ________.
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A £®turned into heat |
B £®kept at once |
C £®reflected later |
D £®both B and C |
(5) In the sun, the warmest clothes must be ________.
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A £®white |
B £®yellow |
C £®dark-coloured |
D £®light-coloured |
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Emily
and Peter have lived next door to each other as long as they can remember. When
they were ___(1)___ children, they ___(2)___ play together. They were good
friends, though they sometimes fought over toys. ___(3)___ they grew older, they
seldom(ºÜÉÙ) played with each other. Emily preferred to be with girls and
Peter preferred to play with boys. When they were about fifteen years old, they
almost stopped ___(4)___ to each other, not because they disagreed with each
other, ___(5)___ because they belonged to different groups. Emily began to study
French and also enjoyed watching football games. Peter was only interested in
sports.
___(6)___
was football that brought Emily and Peter back together. One day, after Peter
went home, he looked into the window of Emily¡¯s living room and saw ___(7)___
she was watching a football game on TV. He walked up and knocked at the door.
Emily was ___(8)___ to see him, but asked him to come in and they watched the
___(9)___ of the game together. They are good friends again. They ___(10)___
have different ideas about things
sometimes, but they agree with each other that football is the world¡¯s best
game.
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