患者,女,21岁。因喉炎而服用磺胺药物,继见皮肤紫斑及血疱,灼热痒痛,口腔、阴部黏膜糜烂,伴有口干、大便干结、溲赤、舌红绛、苔薄、脉洪数。诊断为固定性红斑型药疹,内治应首选()
A. 萆薢渗湿汤
B. 萆薢渗湿汤合黄连解毒汤
C. 犀角地黄汤合黄连解毒汤
D. 清营汤
E. 增液汤合益胃汤
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开瓶后的乙醚加入下列哪种试剂后能较长时间存放( )
A. 对苯二酚
B. 乙醇
C. 硫酸亚铁
D. 1,2,3-苯三酚
According to the passage, bees are fitted for communal life by virtue of their ()
A. flexibility and initiative
B. intelligence and sensitivity
C. independence and endurance
D. instincts and form
The guides ______ the tourists together at the hotel gate.
A. accumulated
B. collected
C. assembled
D. resembled
70()
A. up
B. from
C. for
D. on