【简答题】If there are 1200 articles published in a journal from 2017 to 2018,these articles received totally 3600 citations(sum of number of times cited )in 2019, the impact factor of the journal in 2019 shoul...
【简答题】The biggest festival 1______ the Chinese calendar is the New Year. The date 2_____ the New Year depends 3______ the moon so it changes every year, but it is always 4_____ January or February. 5_____ C...
【判断题】Decentralized production is favored if differences between countries in factor costs have a substantial impact on the costs of manufacturing in various countries.
【单选题】If we conduct factor analysis for investigating the impact of sustainability in performance of hotels, what data about hotel companies is the least relevant?