单项选择题

You may spend a long time in a bookshop because ______.

A．the books are very attractive
B．you have started reading an interesting book
C．it is raining outside
D．you have to make sure you don't buy a dull book as a present

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单项选择题

What kind of television is intended for small numbers of people

A．Broad-based TV.
B．Reconstructed TV.
C．Traditional TV.
D．Non-broadcast TV.