题目

Having much difficulty physics, Andrew is to take up a computer career after graduation. A . learning; terrified B . learn; required C . learning; determined D . to learn; astonished 答案：C读图，下列说法正确的是（　　） A、目前的黄赤交角是66.5°B、图中角α是黄赤交角C、黄赤交角始终不变D、黄赤交角度数即是南北回归线的度数