设CJ.DBF数据库有2条记录,内容如下: Record # XM EF 1 550.00 2 750.00 程序如下: SET TALK OFF USE CJ M->EF=0 DO WHILE.NOT.EOF() M->EF=M->EF+EF SKIP ENDDO ?M->EF RETURN 该程序执行的结果是
【简答题】Without facts, we cannot form. a worthwhile opinion for we need to have factual knowledge ________ our thinking. A) which to be based on B) which to base upon C) upon which to base D) to which to be b...