A-A+
It is a delight to fly at the Pole because the
问题详情
It is a delight to fly at the Pole because there
A.planes fly higher than at the equator
B.the eyes can reach about 4,000 meters
C.planes are clear of bad weather
D.planes fly more quickly than at the equator
参考答案
正确答案:C
解析:事实细节题。第一段最后两句提到热带上空不能确保不遇到坏天气,而北极上空的情况与之相反,所以选C。