If the components ______ delivered earlier we might have been able to start work on time.
A. might have been
B. were
C. had been
D. were to
山东旅游景区调整门票价格,应当提前()进行公示。
A. 3个月
B. 2个月
C. 30天
D. 15天
《山东省旅游条例》规定,推行旅游服务标准化,涉及人身安全、卫生、健康等的旅游服务领域,依照有关法律、法规规定应当制定地方标准的,由()制定地方标准并组织实施。
A. 省人民政府
B. 省旅游行政管理部门
C. 省卫生行政管理部门
D. 省人民政府技术监督部门
旅行社国内旅游档案保存期最少为()年。
A. 1
B. 2
C. 3
D. 5