当路由器接收的IP报文的TTL值等于0时，采取的策略是丢掉该分组，当路由器接收的IP报文的MTU大于该路由器的最大MTU时，采取的策略是向源路由器发出请求，减小其分组大小。
1、正确错误
暂无解析
“MylastDuchess”isapoemthatbestexemplifiesRobertBrowning’s().
Everyoneisexcitedbythenews,________________?
Weareinterestedintheweatherbecauseit_______ussodirectly—whatwewear,whatwedoandevenhowwefeel.
OxfordAdvancedLearnersDictionary’,3rdEdition(1980),isamongthebest-knownBritish______dictionaries.
―________finedayitistoday!
