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As she was exhausted B. If she was exhausted C. Exhausted though she was D. Now that she was exhausted
A. 视盘边缘 B. 黄斑中心凹周围 C. 玻璃体基底部 D. 玻璃体前表面 E. 玻璃体赤道部
A. 胎儿头皮在坐骨棘平面下1cm B. 胎儿头皮在坐骨结节上1cm C. 胎儿顶骨在坐骨结节上1cm D. 胎儿顶骨在坐骨棘平面下1cm E. 胎儿顶骨在坐骨棘平面上1cm