国家统计数据以()公布的数据为准。 ["国务院","国务院各部委","国家统计局","各级地方政府"]
按旅行距离来分,旅游活动分为远程旅游和近程旅游。
供应商管理的原则包括() ["合作性原则","互惠原则","目标一致性原则","持续改进原则"]
It is important for the teacher to show students how easy it is to understand something from authentic materials rather than how difficult it is to understand everything.()
根据《建筑施工门式钢管脚手架安全技术规范》(JGJ128―2000),在严格情况下,下列杆件除()外都可以拆除。 ["连墙件","模板支撑","加固杆件","栏杆"]
常用民族乐器的吹管乐器是()、()、()、()、()等五种。