包装POP（PointofPurchaseAdvertising)广告是指商品的包装，具有促销和企业形象宣传的功能。（)

输入序列为ABC，要变为CBA，经过的栈操作为_______。

A．push，pop，push，pop，push，pop

B．push，push，push，pop，pop，pop

C．push，push，pop，pop，push，pop

D．push，pop，push，push，pop，pop

Charlie Gillett called pop music "the Sound of the City".()

He is not a pop fan and to him one pop song is very much like______.

A．the other

B．others

C．another

D．the others

Some companies are investing in planning and research to ______.

A．encourage the use of POP

B．cut the costs of POP

C．assess the benefits of POP

He is no pop fan and to him one pop song is very much like ______.

A．the other

B．others

C．another

D．the others

He is not a pop fan and to him one pop song is very much like______.

[A] the other

[B] others

[C] another

[D] the others

What is one of the problems facing POP agencies？

A．There is a shortage of retail space.

B．There are insufficient POP specialists.

C．There is not enough interest in the medium.

A.A.PUSH SI PUSH DI POP DI POP SI

B.B.PUSH SI PUSH DI POP DI POP SI 1

C.C.MOV AX,SI MOV SI,DI MOV DI,AX

D.D.MOV AX,SI 4 MOV BX,DI 2 XCHG BX,AX

For native speakers understanding English pop songs is__________.

＜/A