A. quest
B. strain
C. temptation
D. campaign
第1题:
A. many - to - one
B. one - to - one
C. one - to - many
D. many - to - many
第2题:
[A] acquire
[B] achieve
[C] obtain
[D] fulfill
第3题:
查询平均成绩良好,也就是≥80分的考生人数,查询语句就可以写成()。
A.WITH avgach (eeid,avgachieve) AS (SELECT eeid,AVG(achieve) FROM eeexam GROUP BY eeid ) SELECT COUNT(*) FROM avgach WHERE avgachieve>=80;#B.WITH avgach (eeid,avgachieve) (SELECT eeid,AVG(achieve) FROM eeexam GROUP BY eeid ) SELECT COUNT(*) FROM avgach WHERE avgachieve>=80;#C.SELECT COUNT(*) FROM (SELECT eeid,avg(achieve) FROM eeexam GROUP BY eeid )AS avgach (eeid,avgachieve) WHERE avgachieve>=80;#D.SELECT COUNT第4题:
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
第5题:
Each life jacket light that has a non-replaceable power source must be replaced ______.
A.every 6 months after initial installation
B.every 12 months after initial installation
C.every 24 months after initial installation
D.on or before the expiration date of the power source
第6题:
1. 显示1到31天的日期: int day = 1; do { printf("%dn", day); ______; } while (day <= 31);