_____ Browns were having dinner when the telephone rang. [ ]
A. A
B. An
C. The
D. /
答案:C
给加粗字注音并解释。
(1)怀民亦未寝( )___________
(2)水中藻荇交横( )__________
下列()是Oracle superaggregate函数?
A.ROLLUP
B.VARIANCE
C.REGR_R2
D.RANK