Question

Snowflakes (雪花) seem like white stars falling from the sky. But they don't always look white. Sometimes they a1. to have other colours. Some are red, yellow, or black. There have been snowflakes of almost every shape. Think how it could seem to have these coming all a2. you.

Black snow came down in France one year. Another year grey snow f3. in Japan. Scientists f4. that such snow was mixed with ashes (灰).This made it seem dark. Red snow has come down in other countries. When it happened. It was mixed with red dust (灰塵).That is w5. it looked different. Most snow looks white, but it is really the colour of ice. It is ice that comes from snow clouds. Each snowflake begins with a small drop of water. More water forms around this drop. The way the water freezes gives the snowflake its shape.

No two snowflakes are of ever just the s6. size or shape. All the snowflakes start out (起初是) flat (扁平的) and have six s7.. Some snowflakes are broken when they hit the ground. O8. melt as they fall. When air is cold and dry, the falling snowflakes are small and hard. If the air is warm and w9., the snowflakes are big and soft.

Would you be s10. to see snowflakes as big as your head falling from the sky? It happened once in my country. It could happen again.

Answer 1