【简答题】A.started B.conducted C.replaced D.proposed
【简答题】如果点P是线段AB的黄金分割点,且AP>PB,则下列命题, ①AB 2 =AP?PB, ②AP 2 =PB?AB, ③BP 2 =AP?AB, ④AP:AB=PB:AP, 其中正确的是______(填序号).
【多选题】旅游环境效应整体分析模型中的环境模块主要包括
【单选题】出于成本和安全的考虑,家庭路由器应选择以下哪种认证类型?
【简答题】A Department of Health spokesperson proposed that______.
【简答题】The two categories of meaning of language proposed by Wilkins are '______' and '______'.
【简答题】A.suggestions B.services C.systems D.regulations
【简答题】The flat tax was proposed by ______.