题型:名词解释 As is known to all, the financial crisis firstly broke out in the United States,_____ the group of developed countries. A.belonging toB.belonged toC.belongs toD.is belonged to 查看答案
题型:名词解释 孕1产0,足月临产12小时,宫口开大6cm,产程缓慢,胎心140次/分,胎头矢状缝与坐骨棘间径一致,枕骨在母体右侧s。下列哪项诊断是正确的()A.右枕前位B.持续性右枕后位C.持续性左枕横径D.持续性右枕横位E.持续性左枕后位 查看答案