下列关于会计档案归档的说法有误的是()。A.各单位每年形成的会计档案，都应由会计机构

Communication along with information industry _____ an important part in modern times.[ ]

A. play

B. plays

C. have played

D. are playing

如图所示，平行线代表等势线，一个带正电、电量为10^-6C的微粒在电场中仅受电场力作用，当它从A点运动到B点时动能减少了10^-5J，已知A点的电势为-10V，则以下判断正确的是（　　）

A．微粒的运动轨迹如图中的虚线1所示

B．微粒的运动轨迹如图中的虚线2所示

C．B点电势为零

D．B点电势为-20V

文化冲击的含义是（）。

A.文化是发展变化的，是一个动态的过程

B.不同族群之间持久的直接交流，互相取长补短，发展出兼容彼此特性的新文化成分

C.本族内的文化创新

D.文化经过少数人或媒体的接触和散播，逐渐在更广泛的群体中扩散开

E.族群和个体在优势文化中接受同化，新文化与母体文化存在巨大差异，人们在调整过程中，身心适应中产生的各种体验，可能引发心身性障碍

Service ______ Architecture aims to provide a model for the creation of service components in a widerange of languages and a model for assembling service components into a business solution - activities which areat the heart of building applications using a ______ architecture.
Service Data Objects aims to provide consistent means of handling ______ within applications,whatever its source or ______ may be. SDO provides a way of unifying data handling for databases and forservices. SDO also has mechanisms for the handling of data while ______ from its source.

A. data B. command C. appliance D. component

试述经口气管内插管术的操作程序。