大便秘结,欲便不得,腹痛连及两胁,得矢气或便后则舒,嗳气频作或喜叹息,苔薄腻、脉弦者可在基本方的基础上加()。
A. 曲池
B. 关元
C. 太冲
D. 合谷
E. 气海
罐壁焊缝严密性检查是在焊缝处刷一层白粉,待干燥后,于内壁涂上溶有蜡红的煤油,()小时后观察油罐外壁,未发现痕迹为合格。
A. 72
B. 48
C. 24
D. 12
患者,男,44岁。因血脂异常就诊。现症见形体肥胖,肢体困重,食少纳呆,腹胀纳呆,胸腹满闷,头晕神疲,大便溏薄,舌体胖,边有齿痕,苔白腻,脉滑。治疗应首选的方剂是()
A. 保和丸
B. 血府逐瘀汤
C. 丹栀逍遥散
D. 龙胆泻肝汤
E. 导痰汤
A site administrator is configuring Resource-level access control. Which of the following statements about Resource-level access control are true? Resource-level access control policies:()
A. are optional
B. are used to protect data beans
C. provide coarse-grained access control
D. never specify a relationshi