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下图为某两日昼半球示意图，读图回答下列问题。(36分) (1)请在图中画出太阳的直射光线。(6分) (2)下列叙述正确的是________。(6分) A．甲图中相同高度旗杆的影子①地比②地长 B．北京地区太阳从东北方向升起 C．从甲图到，地球的公转速度越来越快 D．两图中①地与③地的经度相同，地方时也相同 (3)描述甲图中北半球昼夜长短的纬度差异。(7分) (4)写出北京的日期和时间(北京时间)。(8分) (5)简述从甲图到的过程中，②地正午太阳高度的变化情况。(9分)
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