鸡蛔虫病的诊断可用饱合盐水漂浮法集卵
参考答案:对
——Did Jack come back early last night?
——Yes. It was not yet eight o’clock _______ he arrived home.
A.before
B.when
C.that
D.until
癫痫持续状态是指癫痫发作持续时间
A.>10分钟B.>20分钟C.>30分钟D.>40分钟E.>50分钟