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B—ISDN在低层采用了X．25协议。( )
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Billy is a doctor.
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Big Bang实施战略是较为有指导意义的实施战略。
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BGP使用UDP协议传输报文。（ ）
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Beth needs to collect the mail once a week.
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Beth is going to look after the man’s house.
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Beth is allowed to enjoy the swimming pool and the car.
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Beth has to feed and walk the dog twice a day.
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Besides WWW sites, we can find many other resources, such as FTP, Telnet, E-mail.
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Besides the purpose of gaining and maintaining total control over someone, domestic abuse may be used for some other purposes.
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