桔梗的应付规格是（）
A.南桔梗
B.北桔梗
C.苦桔梗
D.玉桔梗
E.桔梗片
参考答案：E
军团菌肺炎治疗首选
A．青霉素
B．红霉素
C．氯霉素
D．两性霉素
E．糖皮质激素
Only when ________ the tea-house ________ it was the same place he had been in last year. [ ]
A. he reached ; did he realize
B. did he reach ; did he realize
C. he reached ; realized he
D. he reached ; had he realized
