【单选题】The story implies that the author's mother was______.
【单选题】The author's mother prepared the following food EXCEPT:
【判断题】“节约蛋白质”就是少吃蛋白质,多摄入碳水化合物
【单选题】Why did the author's mother beat him?
A.
Because she saw him playing with the lead cowboy.
B.
Because his brother informed his mother of his stealing.
C.
Because he had been chasing his neighbor's cats.
D.
Because he left the house without having told his mother.
【单选题】通常,计算机显示器才用的颜色模型是( )
【单选题】删除学生表中专业zno为空的学生记录,正确的命令是
A.
delete * from student where zno is null
B.
delete from student where zno=null
C.
delete from student where zno is null
D.
delete from student where zno is 'null'
【单选题】Which of the following statements is TRUE?
A.
The author's mother died when he was only ten years old.
B.
The author's father died when he was six years old.
C.
The author and his family moved to Indiana in his eighth year.
D.
His grandfather was killed by Indians in a battl
【判断题】设 是单点集 上的拓扑 , 则 既是离散拓扑也是平庸拓扑.
【判断题】The author's mother had an operation.