智慧职教: 1.S1:It,s 18:18. S2:18:18,OK. Q:What are they doing?
智慧职教: 1.S1:It,s 18:18. S2:18:18,OK. Q:What are they doing?
It’s been calculated that by the age of 18
It’s been calculated that by the age of 18
若要求查找“年龄大于18岁学生的学生号和姓名”，正确的SQL语句是( )。 A: SELECT S#，SNAME FROM S WHERE AGE＞18 B: SELECT S#，SNAME FROM S WHERE AGE＞=18 C: SELECT S#，SNAME FROM S WHERE AGE＞’18’ D: SELECT S#，SNAME FROM S WHERE AGE＞=’18’
若要求查找“年龄大于18岁学生的学生号和姓名”，正确的SQL语句是( )。 A: SELECT S#，SNAME FROM S WHERE AGE＞18 B: SELECT S#，SNAME FROM S WHERE AGE＞=18 C: SELECT S#，SNAME FROM S WHERE AGE＞’18’ D: SELECT S#，SNAME FROM S WHERE AGE＞=’18’
下列程序段的执行结果为（） A: S=3 B: S=18 C: S=6 D: S=9
下列程序段的执行结果为（） A: S=3 B: S=18 C: S=6 D: S=9
If you are over 18 and __________, it's completely safe to do the job.
If you are over 18 and __________, it's completely safe to do the job.
设S="Chinese dream my dream"，T="dream"，则index(S, T, 3 )的值为______。 A: 0 B: 9 C: 18 D: 9和18
设S="Chinese dream my dream"，T="dream"，则index(S, T, 3 )的值为______。 A: 0 B: 9 C: 18 D: 9和18
What is the theme of Shakespeare’s Sonnet 18? (2.2. 01:25-33)
What is the theme of Shakespeare’s Sonnet 18? (2.2. 01:25-33)
执行“printf（"%s%s%d"，"wei"，"rong"，18）；”语句后得到的输出结果为（）。
执行“printf（"%s%s%d"，"wei"，"rong"，18）；”语句后得到的输出结果为（）。
设S="Chinese dream my dream"，T="dream"，则index(S, T, 3 )的值为______。 A: 0 B: 9 C: 18 D: 9和18
设S="Chinese dream my dream"，T="dream"，则index(S, T, 3 )的值为______。 A: 0 B: 9 C: 18 D: 9和18
Underground water supplies about（） A: 80% of Australia’s water B: 48% of Australia’s water C: 18% of Australia’s water D: 80% of Australia’s water
Underground water supplies about（） A: 80% of Australia’s water B: 48% of Australia’s water C: 18% of Australia’s water D: 80% of Australia’s water