哮喘急性发作期应禁止使用下列哪种药物（）
A.肾上腺素
B.异丙托溴胺
C.喘定
D.地西泮
E.博利康尼
参考答案：A
Prices have been steadily in the past two years, which has had a great influence _ people's
daily life. [ ]
A. going down; of
B. rising; about
C. raising; with
D. going up; on
《钢结构工程施工质量验收规范》规定，吊车梁和吊车桁架的组装检查结果，不应有（）。
A.下挠
B.上挠
C.侧弯
D.扭曲
