下列对结构类型变量不正确的定义是 A: struct teacher{ int num; int age; }teacher1; B: struct{ int num; int age; }teacher1,teacher2; C: struct{ int num; int age; }teacher D: struct teacher{ int num,age; }a;

以下代码需要加入什么内容才能让运行后的结果为：七七？（） A: print（teacher[1][3]） B: print（teacher[1][’山顶’][0]） C: print（teacher[1][’山顶’]） D: print（teacher[2][’山顶’][0]）

【单选题】假设已经定义好了一个类teacher,现在要定义类dteacher,它是从teacher保护派生的,定义正确的是()。 A. class teacher::teacher protected{…} B. class teacher::teacher public{…} C. class teacher:: protected teacher{…} D. class teacher::public teacher{…}

6 The students met their 'English teacher/English 'teacher on the street. A: 'English teacher B: English'teacher

__1__ The teacher is always nervous. __2__ The teacher is kind and patient. __3__ The teacher is nice-looking. __4__ The teacher is hard-working.

Mr. Li is ____ as Mr. Wang. A: a good teacher B: an as good teacher C: as good a teacher D: as a good teacher

以下新建对象的语句中,正确的一项是( )。 A: Teacher t; B: Teacher t=new<br/>Teacher (); C: Teacher (t)=new<br/>Teacher (); D: Teacher (t);

In front of the classroom______. A: is the table for the teacher B: B. the table is there for the teacher C: it is a table for the teacher D: D. has a table for the teacher

查看teacher表的表结构，语句为（） A: select * from teacher; B: show create table teacher; C: show table teacher; D: desc teacher;

Please fill the blanks of the following sentence from William Arthur Ward. The mediocre teacher ______. The good teacher _________. The superior teacher ____________. The great teacher _____________.