【判断题】长期的击打硬物表面会增加临近处骨骼的骨密度,同时肌肉和结缔组织会产生增生,这是硬气功的训练原理
【单选题】初产妇,24岁,38周妊娠临产,LOA,规律宫缩12小时,宫口开大4cm,S-1,未破膜,胎心位于左下腹,双顶径9.3cm,股骨长7.1cm,胎心132次/分,骨盆外测量各径线正常。若随后1小时,宫缩强度减弱20~30秒/次,间隔6~7分钟,产程达13小时,宫口开大5cm,胎膜已破,头S-1,矢状缝在2~8点处,此时诊断是()
【单选题】以太网无源光网络(EPON)是一种采用点到多点(P2MP)结构的单纤双向光接入网络其典型拓扑结构为()。
【单选题】*medium(pl media) n.
【简答题】无线以太网采用 ______ 拓扑结构。
【多选题】下面关于以太网的说法哪些是正确的?( )
【单选题】Which of the following statements is TRUE about the British media?
A.
They supply people with news, keeping them informed of what is happening in the world.
B.
They are mainly interested in making huge profits by publishing advertisements.
C.
They help little to shape British culture.
D.
They provide no side effect.