模板匹配理论

The de facto standard application program interface (API) for TCP/IP applications is the "sockets" interface. Although this API was developed for ___71___ in the early 1980s. it has also been implemented on a wide variety of non-Unix systems. TCP/IP ___72___ written using the sockets API have in the past enjoyed a high degree of portability and we would like the same ___73___ with IPv6 applications. But changes are required to the sockets API to support IPv6 and this memo describes thesechanges. These include a new socket address structure to carry IPv6 ___74___. new address conversion functions, and some new socket options. These extensions are designed to provide Access tothe basic IPv6 features required by TCP and UDP applications, including multicasting, while introducing a minimum of change into the system and providing complete ___75___ for existing IPv4 applications.

75（）

A．availability

B．compatibility

C．capability

D．reliability

粮食类食品应强化的氨基酸是（）。

A.色氨酸

B.苯丙氨酸

C.赖氨酸

D.含硫氨基酸

E.组氨酸

下列关于慢性抽动障碍的说法中错误的是（）

A.表现为简单的或复杂的发声抽动

B.表现为简单的或复杂的运动抽动

C.症状累及广泛

D.常累及上下肢及躯干

E.病程往往少于1年

EDI的基本特征包括（）。

A、使用数据库

B、数据自动处理

C、遵循一定的语法规则和国际标准

D、两个或多个企业或机构的计算机间的通信

什么是复纶？