英语网考B阅读理解题.doc

第二部分 阅读理解（ 1 ） Passage 1 Snowflakes look like white stars falling from the sky. But there have been times when snow has looked red, green, yellow, or black. There have been snowflakes of almost every color. Think how it would seem to have colored snowflakes coming down all around you. Black snow fell in France one year. Another year grey snow fell in Japan.It was found that the snow was mixed with ashes. This made it look dark. Red snow had come down in other countries. When this happened, the snow was mixed with red dust. Most snow looks white, but it is really the color of ice. Snow is ice that comes from snow cloud. Each snowflake begins with a small drop of frozen water. More water forms around this drop. The way the water freezes gives the snowflakes its shape. No two snowflakes are ever just the same size or shape. Sometimes the snowflakes are broken when they come down. Otber snowflakes melt as they fall. All snowflakes are flat and have six sides, if they are not broken or melted. When the air is cold and dry，e falling snowflakes are small and hard. If the air is wet and warm, the snowflakes are big and soft. Would you be surprised to see snowflakes as big as your head falling from the sky？It happened once in the United States. It could appen again. 雪花看起水像从天上掉下白色星星，但有好几次雪看起是红的，绿的，或黑的，几乎有所有颜色的雪花。想想看似乎着了色的雪花在围绕着你飘落。 有一年法国覆盖了黑色雪，有一年日下了灰色雪。检验雪发现雪混合了灰烬，这使它看起来发黑。红色的雪也已降临在其他国家，之所以这样是为雪混合了红色尘土。 多数雪看起来是白色的，但它其实是无色的。雪是由冰水转化的。每一个雪花是由下落的水结冻所构成的。水结冰时的方式赋予了雪花的形状。 没有两个雪花是永远一样的大小或形状。因为有的雪花下落的时候就被破坏或是被融化。所有的雪花是平的，有六个面，如果它们没被损坏或融化。当气寒冷，下落的雪花小而且硬。如果空气温暖潮湿，雪花又大又软。 像头一样大的雪花从天上掉落会你觉得惊讶吗？它发生在美国，并且能再次发生。 1. The first to paragraphs mainly tell us that sometimes snow has different colors. 文章第一二段是说雪有时候会有不同的颜色 AT B. F 2. No two snowflakes are just the same size, but all snowflakes are hard. 没有两片雪花是一样大的，但所有的雪花都是硬的。 AT B. F 3．Snowflakes begin wi cloud．雪花是由云变化来的。 AT B. F 4．The bigger the snowflakes are, the softer they are．