疮疡初起有脓头或成脓阶段敷箍围药,中留空隙,其主要目的是()
A.收束疮毒
B.防止毒邪扩散
C.截其余毒
D.以利脓毒外泄
E.消肿止痛
参考答案:D
They _____ 3000 English words by the end of next month. [ ]
A. learned
B. had learned
C. will learn
D. have learned
下列历史现象符合唐朝的有
①市和坊用围墙隔开②早市、夜市、草市③长途贩运贸易繁荣④出现了银行的雏形
A.①②
B.①④
C.①③
D.②③