第7题: [单项选择]正常枕先露分娩机转顺序的发生,下列哪项是正确的(其中下降贯穿于分娩全过程) A. 下降、俯屈、衔接、内旋转、仰伸、外旋转 B. 衔接、俯屈、内旋转、下降、仰伸、外旋转 C. 衔接、下降、内旋转、俯屈、仰伸、外旋转 D. 衔接、下降、俯屈、内旋转、仰伸、外旋转 E. 下降、衔接、内旋转、俯屈、仰伸、外旋转 参考答案:D
第9题: [单项选择]When navigating using DGPS(Differential Global Positioning System)you may expect your position to be accurate to within a radius of(). A. 10 meters B. 20 meters C. 50 meters D. 100 meters 参考答案:A