肝脏最基本的结构单位是()
A.肝细胞索
B.肝叶
C.肝小叶
D.肝窦
E.肝段
参考答案:C
The football match was _____ and we all felt _____.[ ]
A.exciting, exciting
B. excited, excited
C. excited, exciting
D. exciting, excited
神经衰弱最主要的症状是()
A.腹痛
B. 情绪易烦恼
C.易疲劳
D.头痛头晕
E.肌肉酸痛