【多选题】下列属于开发专业技术人员信念潜能的方法是( )
【单选题】Nowadays, after the wedding white dress for brides from ordinary families ______ .
A.
was worn throughout the first year
C.
was ware once in a while
D.
was reserved for special purpose
【单选题】某大学研究人员希望估计大学一年级新生每月的生活支出,为此,观察了200名新生的月生活支出,发现他们每月生活支出为2100元。该研究人员感兴趣的变量是( )。
【单选题】Lucy found one of her friends had been ________ after she finished the invitations to her wedding party.
【单选题】下面哪个地方时世界上看日出、日落最美的地方?()
【单选题】第二代计算机的逻辑器件,采用的是( )。