下列哪种疫苗接种途径为皮下注射?() ["A、百白破","B、卡介苗","C、麻疹疫苗","D、乙肝疫苗"]
通气/血流比值(ventilation/perfusion ratio)
按份共有人转让其共有财产份额时,其他共有人有() ["A、购买权","B、撤销权","C、在同等条件下的优先购买权","D、解约权"]
后电位
甲、乙共购了一间街面房,经营饮食。甲欲转移其份额。丙知道此事后支付甲5千元,欲购买。甲父知道此事后,也欲购买。乙也欲以5千元购买。依法甲的份额应转让给() ["A、丙","B、乙","C、甲父","D、丙或乙或甲"]
再生性钠泵