Hamburger lovers will enjoy the unusual variations on their favorite sandwich and the

A．It designed some powerful slogan to stimulate consumers.

B．It used some scientific method to create some false images.

C．It invited a boy to eat the hamburger with hearty content.

D．It asked a family with kids to enjoy their hamburger happily.

The price elasticity of demand for hamburger is______.

A．the change in the quantity demanded of hamburger when hamburger increases by 30 pence per pound

B．the percentage increase in the quantity demanded of hamburger when the price of hamburger falls by 1 per cent per pound

C．the increase in the demand for hamburger when the price of hamburger falls by 10 per cent per pound

D．the decrease in the quantity demanded of hamburger when the price of hamburger falls by 1 per cent per pound

The new service is oriented towards ______.

A．non-mainstream music lovers

B．classic music lovers

C．symphonic music lovers

D．pop music lovers

Valentine is not only a day for lovers, but for friends and families.

A．Y

B．N

C．NG