题目

 Although motor car has been with us for almost a century, I have never been able to drive __________American one. A. the ; an  B. was remained    C. a; the    D. the ; the 答案：A下图为地球某时刻太阳高度分布示意图，图中粗线为等太阳高度线。回答题。小题1:此时北京时间为（    ）A．7时        B．15时      C．17时     D．21时8. 若①②两点经度相同，②③两点纬度相同，则此刻的太阳高度（    ）A．①＜③     B．①=②      C．②=③     D．①＞②小题2:此日O点太阳的日变化图是（    ）