2021年秋季西南科技大学网络教育高起专英语入学测试模拟题及答案4

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44.Snowflakes seem like white stars falling from the sky. But they don’t always look white. Sometimes they appear to have other colors. Some are red, green, yellow, or black. There have been snowflakes of almost every shape. Think how it would seem to have these coming down all around you. Wouldn’t they look pretty?

Black snow came down in France one year. Another year gray snow fell in Japan. It was found that such snow was mixed with ashes. This made it seem dark. Red snow has come down in other countries. When this happened, it was mixed with red dust. That’s why it looked different.

Most snow looks white, but it is really the color 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 ever just the same size or shape. All start out flat and have six sides. Some snowflakes are broken when they hit the ground.Others melt as they fall. When air is cold and dry, the falling snowflakes are small and hard.If the air is wet and warmer, 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 our country. It could occur again.

1)【单选题】Snowflakes are ______ according to the writer.

A.white stars B.white C.of all shapes D.pretty

答案：D

2)【单选题】Snowflakes come in different shapes as _______ different.

A.the ways they form are B.the speed they fall is

C.the weather is D.the ways the water freezes are

答案：C

3)【单选题】According to the passage, if the snowflakes are hard and small, the weather should be _____.

A.cold and wet B.dry and wet C.wet and warm D.cold and dry

答案：D

4)【单选题】We can infer from the last paragraph that very large snowflakes _________.

A.occur regularly B.will occur regularly

C.occur once a year D.doesn’t often occur

答案：D

5)【单选题】To snowflakes, which of the following statements is true?

A.Color snowflakes look so because they are mixed with dust of different colors.

B.Most snowflakes look white, and it is the color of ice.

C.Probably there are two snowflakes of the same size and shape.

D.Most snowflakes are made from water and dust.

答案：A

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