【多选题】下面有关主键的叙述错误的是( )。
D.
表中的主键的数据类型必须定义为自动编号或文本
【单选题】Tom often talks with his parents in Chinese when they ____ home.
【多选题】下面有关主键的叙述错误的是()。
D.
表中的主键的数据类型必须定义为自动编号或文本
【单选题】听力原文:W: Don't you think Tom is a good student? M: I'm told that he often dozes off in class. What does Tom often do in class?
A.
He listens to the teacher carefully.
C.
He talks with his deskmate.
【单选题】在财务分析中,最关心企业资本保值增值状况和盈利能力的利益主体是( )
【判断题】进入生产的第二个阶段的标志是MP开始下降
【简答题】选择适当的词组并用其适当的形式填空,每个词组只能使用一次。 download music at the weekend go online send emails make plans 1. My brother likes music and he often_____ from the Internet. 2. Tom often ______ and talks with ...
【单选题】Sometimes I can’t help wondering what’s the matter with Tom.I can’t stand it that he often_____ me and talks with the other students around him.
【单选题】Sometimes I can’t help wondering what’s the matter with Tom.I can’t stand it that he often_____ me and talks with the other students around him.