学生成绩的关系模式为s(SNO,SNA,CN,SM),其中SNO表示学生的学号、SNA表示学生姓名、CN为学生所选课程号、SM为学生所选课程的成绩。从中选取选择了课程号为10081025课程的学生的学号、姓名和成绩,并按成绩由高到低进行排序。
SELECT SNO,SNA,SM
FROM S
WHERE (60)
(61) SM DESC;
(65)
A. CN='10081025'
B. CN=10081025
CN IN 10051025
D. CN ON'10051025'
Most home schoolers' opposition to public education stems from their ______.
A. concern with the cost involved
B. worry about the inefficiency of public schools
C. devotion to religion
D. respect fro the interests of individuals