PING、TFTP、TELNET和OSPF都是基于TCP协议的应用程序
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新生儿期重要的护理措施是()
We_____knowledgefromourfamilies,schools,jobs,andthemassmedia.
Bothofmybrothersarenowmarried,soIhavetwo_____.
Howmanyformscanarticlesberoughlydividedinto?whatarethey?
Inordertobuyanewcar,youshouldatleast______onehundreddollarsaweek.