植物细胞培养有何特点？

— Hello, Sandy. This is Jack. What are you doing?

— I’m watching a match. It started at 7 p.m. and _____ on for another half an hour.

A．has been

B．was

C．had been

D．will be

下列各项中，属于会计基本职能的是( )。

A．会计预算与考核

B．会计预测与决策

C．会计分析与评价

D．会计核算与监督

—This physics problem is too difficult. Can you show me ____, please Wang Lin?

—Sure.[ ]

A. what to work it out

B. what to work out it

C. how to work it out

D. how to work out it

使用消毒液进行消毒，灭菌时,有轴节、带管腔的器械腔内应打开关节，充分注入消毒液。

患者，男性，56岁，主因消瘦、腹胀、食欲缺乏入院，病前曾有慢性肝病史。查体：皮肤、巩膜黄染，腹部膨隆，移动性浊音阳性，脾肋下可触及。

该患者首先要考虑的诊断是

A．原发性肝癌
B．肝硬化伴腹水
C．活动性肝病
D．肝脓肿
E．多囊肝