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【单选题】
PCM30/32路系统中，一帧信号中的话（）个时隙A.
32
B.
16
C.
30
D.
15
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举一反三
【简答题】A．T-shirts feel soft and wash well. B．T-shirts are smart and comfortable. C．T-shirts go well with trousers. D．T-shirts are suitable for evening wear.
【简答题】A．T- shirts feel soft and wash well. B．T- shirt are smarts and comfortable. C．T- shirts go well with trousers. D．T- shirts are suitable for evening wear.
【单选题】听力原文：M: I think I'll get one of those new T-shirts, you know, with the school's logo on both the front and back. W: You'll regret it. They are expensive, and I've heard the printing fades easily when ...
A.
The printing on her T-shirt has faded.
B.
It is not in fashion to have a logo on a T-shirt.
C.
She regrets having bought one of the T-shirts.
D.
It is not a good idea to buy the T-shirt.
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