He is a college teacher of many years’ _______.
He is a college teacher of many years’ _______. D
teacher
I am so _____ that I cannot recall my old teacher’s name.
I am so _____ that I cannot recall my old teacher’s name. B
对于学生--选课--课程的三个关系：S(S#,SNAME,SEX,AGE)SC(S#,C#,GRADE)C(C#,CNAME,TEACHER)为了提高查询速度，对SC表创建唯一索引，应建___个组上。
对于学生--选课--课程的三个关系：S(S#,SNAME,SEX,AGE)SC(S#,C#,GRADE)C(C#,CNAME,TEACHER)为了提高查询速度，对SC表创建唯一索引，应建___个组上。A
The teacher asked the students to stop _____and _____to her.
The teacher asked the students to stop _____and _____to her.B
----We __________ an English exam. I’m not good at English. What should I do?----You can ask your teacher for help
----We __________ an English exam. I’m not good at English. What should I do?----You can ask your teacher for helpD
若有定义:struct teacher{ int num;char name[10];char sex;int age; }t1={2001,"Li Ming",'M',35};则下列（ ）对结构变量引用是正确的。
若有定义:struct teacher{ int num;char name[10];char sex;int age; }t1={2001,"Li Ming",'M',35};则下列（ ）对结构变量引用是正确的。C
He is a college teacher of many years’ _______.
He is a college teacher of many years’ _______. D
The children _____ happily in the classroom when the teacher came in.
The children \_\_\_\__ happily in the classroom when the teacher came in.
The teacher wrote his _____ in the margin of the composition.
The teacher wrote his \_\_\_\__ in the margin of the composition.