【判断题】表中每列对应实体集的一个实体,也称为记录,每行代表一个属性,也称为字段
【单选题】某女,33岁,刷牙经常出血,临床诊断为牙龈炎,应建议她多长时间做一次洁治
【单选题】What does Peter do?()
A.
He's good at fixing things.
B.
He can speak good German.
C.
He does the washingup after supper
D.
He's a language teacher.
【单选题】某女,33岁,刷牙经常出血,临床诊断为牙龈炎,应建议她多长时间做一次洁治
【判断题】控制系统的控制过程品质主要取决于系统的结构和系统中各组成环节的特性()
【单选题】What does Peter like?
【单选题】What does Peter have?
A.
He has some bread and bananas.
B.
He has some orange juice and milk.
C.
He has some water and candy.
【单选题】在中华茶文化中,茶道精神是( )的核心。