题目内容

对于学生信息表:student(sno,sname,sex,age,dept),能够得到年龄在20~22岁之间的学生的姓名和学号的语句是( )。

A. SELECF FROM student WHERE age BETWEEN 20 AND 22
B. SELECT sname, sno FROM student WHERE age BETWEEN 20 AND 22
C. SELECT sname, sno FROM student WHERE age>=20
D. SELECT sname, sno FROM student WHERE age<=22

查看答案
更多问题

Here I want to try to give you an answer to the question: what personal qualities are (1) in a teacher Probably no two people would (2) exactly similar lists, but I think the following would be generally (3) . First, the teacher’ s personality should be pleasantly (4) and attractive. This does not rule out people who are physically (5) , or even ugly, because many such have great personal (6) . But it does rule out such types as the (7) , melancholy, frigid, sarcastic, frustrated, and over bearing: I would say too, that it (8) all of dull or purely negative personality. Secondly, it is not merely desirable (9) essential for a teacher to have a genuine (10) for sympathy -- a capacity to tune (11) to the minds and feelings of other people, especially, to the minds and feelings of children. (12) related with this is the capacity to be (13) --not, indeed, of what is wrong, but of the frailty and immaturity of human nature which (14) people, and again especially children, to make mistakes. Thirdly, I (15) it essential for a teacher to be both intellectually and morally honest. This does not mean being a saint. It means that he will be aware of his intellectual strength and (16) , and will have thought about and decided upon the moral principles by which his life shall be (17) . There is no contradiction in my going on to say that a teacher should be a (18) of an actor. That is part of the technique of teaching, which demands that every now and then a teacher should be able to (19) an act--to enliven a lesson, correct a fault, or (20) praise. Children, especially young children, live in a world that is rather larger than life. 15()

A. put across
B. put on
C. put up
D. put in for

纪念性建筑的要求设计使用年限为()年。

A. 20
B. 50
C. 70
D. 100

根据《建筑照明设计标准》的规定,对节约照明用电具体措施的叙述中,说法错误的是()。

A. 照明设计应选用效率高、利用系数高、配光合理、保持率高的灯具
B. 根据视觉作业要求,确定合理的照度标准值,并选择合适的照明方式
C. 公共场所和部位的照明采用高效光源、高效灯具和低损耗镇流器等附件,并采取其他节能控制措施,在有自然采光的区域设定时或光电控制
D. 室内表面尽可能采用深色装饰

下列关于进程控制的叙述中,不正确的是( )。

A. 进程控制是通过原语来实现的
B. 一个进程可以使用创建原语创建一个新的进程,前者尔为父进程,后者称为子进程
C. 创建一个进程的主要任务是建立原语
D. 撤销进程的实质是撤销PCB

答案查题题库