2013
高考英语二轮阅读理解讲与练（答案）--地理（2） a the earth’s axis(轴) is an imaginary line that runs through the middle of the earth from the north pole to the south pole. the axis of the earth is tilted (倾斜) about 23.5 degrees. this tilt of the earth results in our seasons. in june, the northern hemisphere (半球) is tilted toward
