单项选择题

What's the advantages of VCR 2

A．It can make high quality duplicates of prerecorded tapes easily.
B．It can let viewers watch a tape while simultaneously recording off the air.
C．It can duplicate prerecorded movies clearly.
D．Both A andB.

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单项选择题

According to the passage, the suitable word which can replace draw back is ______.

A．breakthrough
B．advantage
C．barrier
D．function

单项选择题

Hollywood began to cooperate with Go-video Company, because ______.

A．US consumers will have to pay rentals for duplicating movies
B．VCR 2 will be installed circuitry to prevent it from copying movies protected by antitheft coding
C．with the help of VCR 2, the movies are more popular '
D．Go-video company can copy movies without the permission of Holly wood studios