下列哪些药材具多环性同心环状排列的维管束
A.牛膝
B.何首乌
C.华山参
D.川牛膝
E.商陆
参考答案:A,D,E
患者,男性,55岁。有乙肝病史8年。近1个月来反复呕血、黑粪。B超示脾大。上消化道钡剂检查示:食管胃底静脉曲张。
如果该病人采取手术治疗,最适合的手术方式是().
A.脾切除术
B.脾腔分流术
C.远端脾肾分流术
D.肠腔分流术
E.贲门周围血管离断术
It is said that about 60% of housewives have a brand ________ before entering the store.[ ]
A. in mind
B. on sale
C. in possession
D. on purpose