西安事变又叫[ ]
A.九一八事变
B.双十二事变
C.七七事变
D.八一三事变
答案:B
—_______Tom got _______new books?
—Yes, he ______got ______. [ ]
A. Has, any; has, some
B. Is, any; is some
C. Is, some; has, any
D. Has, some; is, any
下列可以指定建立无重复索引的字段类型是( )
A.备注型 B.超级链接型 C.文本型 D.OLE对象型