Strayer discourages drivers from talking about business on cell phones while driving because_________.
A.they tend to forget the details of a conversation
B. both the driver and his agent happen to be driving
C. it might not be good for the driver's memory
D. the other passengers would overhear the conversation
第1题:
在SQL查询中,若要取得“学生”数据表中的所有记录和字段,其SQL语法为( )。
A.SELECT*FROM学生
B.SELECT姓名FROM学生
C.SELECT姓名FROM学生WHILE学号=02650
D.SELECT*FROM学生WHILE学号=02650
第2题:
( )operating systems are used for handheld devices such as smart-phones.
A.MobileB.DesktopC.NetworkD.Timesharing
第3题:
6. The teacher asked us to stop _________,but _________ the text.
A. to talk ;reading
B. to talk; to read
C. talking; reading .
D. talking; to read
第4题:
cell1是cell2的同频邻区,cell3也是cell2的同频邻区,但cell1和cell3不相邻。如果cell1和cell3的PCI相同,则认为cell1和cell3__。
第5题:
[A] on
[B] from
[C] at
[D] about
第6题: