题目内容
20.听第10段材料,回答第17至20题.17.Where is the White Sands?
A.In the City of Alamogordo.
B.Southeast of Mexico.
C. In the United states.
18.Why do some small animals become white in color?
A. To avoid being seen in the sand.
B. To eseape the bright sunlight.
C. To attract the visitors.
19.What may happen when people are walking in the White Sands?
A.Some unusual animals knock into them
B. They may get lost easily.
C They may get sunburnt.
20.What do we know about the White Sands Park?
A.It is one of the largest sand fields in the world.
B.There are always activities and guided walks in it.
C. More thans 5,000people visit it each year.
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