回肠的特点是管壁____、管径____、血管____、颜色较____、血管弓___、直血管___、有____淋巴结。
参考答案：薄、细、少、浅、多、短、集合
--It was 3 o’clock_______we arrived at the village.
--Oh，it was also at 3 o’clock______we arrived at the village.
A．when；when
B．that；when
C．that；that
D．when；that
肝硬化失代偿期病人常伴有贫血，原因为（）。
A．肝肿大
B．脾功能亢进
C．腹水
D．食管和胃底静脉曲张
E．痔核形成
