Let’s stop working and________for an hour.[ ]
A.free
B.loosen
C.relax
D.dismiss
答案:C
— Fined $100! You know you _____ 100 km an hour, don't you?
— No, officer. I can't have been. This car doesn't do 80.[ ]
A. are driving
B. have driven
C. had driven
D. were driving
下列数据类型的字段能设置索引的有( )。
A.数值、货币、备注
B.数值、超级链接、OLE对象
C.数值、文本、货币
D.日期/时间、备注、文本