( )
A.1:2
B.1:1
C.2:1
D.1:4
答案:B
Adults are usually easy to ignore some common things __________little children tend to notice them. [ ]
A. when
B. while
C. as
D. though
利用数据访问页向导设计报表时,无法设置( )。
A.页中显示字段
B.页排序次序
C.页的数据源
D.在页中显示日期