单项选择题
Liquorice Consists of the dried,unpeded roots and stolns,and contains not less than 4．0% of glycyrrhizinic acid．Which of the following is true（）
A．除去外皮的根 B．除去外皮的根茎 C．潮湿的根茎 D．不少于4．0%的甘草酸 E．低于4．0%的甘草酸
Foreign matter：Not more than 3% of stem with a diameter...
Foreign matter：Not more than 3% of stem with a diameter exceeding 5 mm．关于杂质的规定，以下正确的是：（）
A．药品杂质不得多于3% B．药品中长度多于5mm的茎不得多于3% C．药品中根茎量不得多于3% D．药品中直径超过5mm的茎不得多于3% E．药品中茎量不得多于3%
Bark about 0.2 to 0.8 mm thick occurring in closely pac...
Bark about 0.2 to 0.8 mm thick occurring in closely packed compound quills made up of single or double quills．Which of the following is not true（）
A．皮，厚0.2-0.8mm B．呈复卷状 C．可由单卷重叠成复卷状 D．可由双卷重叠成复卷状 E．可呈片状
Use 20g and distil at a rate of 2.5ml to 3.5ml Per minu...
Use 20g and distil at a rate of 2.5ml to 3.5ml Per minute for 5 hours．实验中蒸馏提取的速率是（）
A．每5小时2.5ml一3.5ml B．每小时2.5ml～3.5ml C．每5小时12.5ml-17.5ml D．每小时150ml--210ml E．以上均不对
