精选优质文档-倾情为你奉上高一英语阅读理解练习（2）A The sky usually looks light blue. But if you went to the top of the highest mountain， went to the top of the highest mountain， where there is less air between you and the sun to scatter the sunlight， the sky would be deep， dark blue. And if you rode in a rocket high above the earth， where there is no air at all to scatter the sunlight， the sky would be so dark that it would be black. Sometimes the sky doesnt look blue. At sunrise and sunset， the light fr
