完形填空。
The weather is different in different parts of the world.In some places it is 1 ,and in others it is humid.If the weather is too dry,the land will not be 2 for animals or plants(植物).In humid weather there may be too much 3 .The rivers may go over their sides.The 4 may take the bridge away.If the rivers go over their sides,a lot of people may not have enough food.If there is very dry weather for a long 5 ,the river beds may be dry.In some other parts of the world the weather may be very cold.There may be 6 .When it snows,the trees,the buildings and everything look 7 .In winter the days are short and the nights are long. 8 cold weather nights,when there are no clouds or winds,the 9 is very clear(晴朗的).And the moon and the stars are very beautiful.People may 10 their coats and go out for long walks.When they come back to their houses,they may be happy to have hot coffee and cakes by the fire(火).
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