外部预警体系中的外部环境预警系统主要由( )及装备等物的因素变化预警构成。
A.法规变化
B.自然环境变化
C.企业内部技术工艺
D.企业资质
E.国家法律
参考答案:A,B,C,D
From the middle part to the end of the 18th century, in English literature () flourished. They were mostly stories of mystery and horror which take place in some haunted or dilapidated middle age castles.
患者丁某,女,70岁。呃逆不止,胸脘痞闷,舌淡苔白,脉沉迟。治宜选用()
A.橘皮竹茹汤
B.丁香柿蒂汤
C.旋覆代赭汤
D.吴茱萸汤
E.理中丸