Fire can help people in many ways. Btu it can also be very harmful(有害的). Fire can keep your house (41) ,give light and cook fo

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问题     Fire can help people in many ways. Btu it can also be very harmful(有害的). Fire can keep your house  (41)  ,give light and cook food. But fire can burn things,  (42)  . Big fire can burn trees,houses, animals or people.
    Nobody knows how people began to use fire. But there are  (43)   interesting old stories about how a man or woman started a fire. One is  (44)   a man. The man  (45)   a very long time ago. He went up the sun and   46   fire down.
    Today people know how to make a fire with matches (火柴). Children sometimes like to play with  (47)  . But matches can be very dangerous. One match can burn  (48)  ,and then it could burn a house. A small fire can turn into a big fire very quickly. So you  (49)  be careful with matches.
    Be careful with fire,and it will  (50)   you. But if you aren’t careful with fire,it may hurt you.

选项 A、over
B、about
C、around

答案B

解析 考查介词辨义。over指”超过”:about指“关于.大约”;around指“大约,在…周围”。句子主语是one,指的是前文提到的story,空格后是a man,属于故事的内容,因此选介词about。
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