多项选择题
A.黄江黄城黄山黄河B.黄江长城黄山黄河C.长江长城黄山黄河D.长江长城长山长河
A.SELECT *FROM student LIMIT 3，0；B.SELECT *FROM student LIMIT 0，3；C.SELECT *FROM student LIMIT 1，3；D.SELECT *FROM student LIMIT 3；
A.ASCB.ORDER BYC.DESCD.LIMIT