An (71) service bus (ESB) acts as a shared messaging layer for connecting applications and other services throughout an enterprise computing infrastructure. It supplements its core (72) messaging backbone with intelligent tansformation and routing to ensure that messages are passed (73) . Services participate in the ESB using either Web Services messaging standards (74) the Java Message Service. ESBs are increasingly seen by users and analysts as core components in (75) IT.

（71）处填（）。

A．encapsulation

B．enterprise

C．extention

D．encode

皮影戏又称“灯影戏”，这门比京剧还要古老1000多年的表演艺术，将绘画、刻纸、说唱、戏曲等融为一体，被誉为中国传统文化的“活化石”。皮影戏的发展历程表明（）

①传统文化是一个民族历史文化成就的重要标志

②包容性是中华文化源远流长的重要原因

③各具特色的民族文化都是中华文化的瑰宝

④传统文化具有相对稳定性

A.①②

B.②③

C.①③

D.②④