【判断题】确定一篇文献是否为一次文献,主要根据其内容性质,只要是作者根据自己的科研成果而发表的原始创作,都属于一次文献。
【简答题】We had the greatest difficulty_________ getting here in time.
【单选题】We had the greatest difficulty ________getting here in time.
【单选题】It was he ______ we had the greatest faith.
【多选题】在实际业务中,班轮公司均按照班轮运价表的规定计收运费( )。