单元同步阅读专练 一、完形填空。 The weather is not the same in many places.In some places it is always _1_， but in other places it is always wet.If(如果 ) the weather is too dry， the land(土地 ) is not _2_ for animals or plants.In wet weather there is too much _3_， and the water in river could _4_ crops(庄稼 ) away.So people wont have lots of _5_ to eat.In some other places the weather is very _6_ There is always lots of snow.When it snows， all things look _7_ In winter， days are short and _8_ are long.On cold winte
