10. A. become B. turn C. develop D. grow
Question VII: Read the passage and choose the best answer (10p):
Man discovered fire many thousands years ago . The first time he saw
fire was probably when a tree was struck by lightning . He soon learned how
to make fire for himself . However man probably made his fire by rubbing
two sticks together.
Fire was very important to man . He needed fire to keep himself warm at
night . He used fire to cook his food . He used fire to frighten away enemies
and wild animals . In some parts of the world he used fire to signal messages.
Red Indians, for example , used fire to make smoke signals . In some other
countries people lit fires to warn their friends of danger.
Fire was very also used to give light . Before the invention of oil lamp,
men used burning sticks as torches . And before man discovered gas and
electricity , he hung small fires in wire baskets from posts to light the streets .
One man even used fire to tell the time . He invented a candle clock . He
made a candle that took exactly twelve hours to burn . Then he marked this
candle in twelve equal parts . He lit the candle and could tell the time by
counting the number of parts left of the burning candle . But the candle clock
did not always work well . If there was a wind blowing on the candle , the
flame burned too quickly .
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