在录入过程中要随时进行保存操作的功能键是（）。
A.XWU：XB
B.XWU：XZ
C.XU：XB
D.XU：XZ
参考答案：B
— Can you guess ______ the MP4 player yesterday?
— Sorry, I've no idea about it.[ ]
A.how much did he pay for
B.how can he get
C.how much he paid for
D.how did he get
烫发时，卷杠排列方法有普通形、（）、砌砖形、S形和蛇仔形等5种。
A.人字形
B.扇形
C.竖直形
D.斜线形
