What does Prof Cooper think of “working smarter”?

PROF是哪个单词的缩写(英文单词,小写)

中国大学MOOC: “Dear Prof Smith” is an appropriate greeting in a formal email.

“Dear Prof Smith” is an appropriate greeting in a formal email. A: 正确 B: 错误

Which is the appropriate time of preparing slides according to Prof Ho of Harvard University? </p></p>

Which of the following performance tools will work with optimized code and also provides source statement profiling？（） A:  prof B:  gprof C:  kprof D:  tprof

How are you ,Professor Li ? A: Fine ,thanks .And you ? B: Sorry,who are you ? C: That's very good. D: Yeah,I'm Prof Li.

Prof Jeffrey calls the unemployed graduates in India the "timepass" generation possibly because ______. A: they have been waiting for a job in vain B: they are hostile to the state C: they are manual labourer though they received higher education D: they spent too much time on their degrees

设有如下关系模式:student(NO, NAME , SEX ,BIRTHDAY, CLASS)teacher(NO,NAME,SEX,BIRTHDAY,PROF,DEPART) PROF为职称,DEPART为系别course(CNO, CNAME, TNO)score(NO, CNO, DEGREE) DEGREE 为成绩写出实现以下各题功能的SQL语句:(1)查询至少有2名男生的班号(2)查询每个学生的姓名和年龄;(3)查询学生中最大和最小的birthday日期值;(4)查询学生表的全部记录并按班号和年龄从大到小的顺序(5)查询男教师及其所上的课程;(6)查询最高分同学的学号,课程号和成绩;

学校教务管理数据库表结构信息如下： 学生信息表STUDENT( SNO VARCHAR(3) , SNAME VARCHAR(4) L,SSEX VARCHAR(2) , SBIRTHDAY DATETIME,CLASS VARCHAR(5)); 课程信息表COURSE(CNO VARCHAR(5) , CNAME VARCHAR(10) , TNO VARCHAR(10) ); 成绩信息表SCORE(SNO VARCHAR(3) , CNO VARCHAR(5) , DEGREE NUMERIC(10, 1) ); 教师信息表TEACHER(TNO VARCHAR(3), TNAME VARCHAR(4), TSEX VARCHAR(2) , TBIRTHDAY DATETIME, PROF VARCHAR(6), DEPART VARCHAR(10)); [br][/br] 查询至少有2名男生的班号。