Sam _____ some knowledge of the computer just by watching others working on it.

A． brought up

B． looked up

C． picked up

D． set up

[名词解释] SAM现象（systolic anterior motion.SAM）

[名词解释] SAM

[单选题]A． ______ computer is a personal computer whose hardware is capable of using any or all of the following media in a program, text, graphics, video and animation.A．databaseB．multimediaC．networkD．mainframes

[单选题]Project（）Management is the Knowledge Area that employs the processes required to ensure timely and appropriate generation, collection, distribution, storage, retrieval，and ultimate disposition of project information．（） A．Integration B．Time C．Planning

[单选题]Project（）Management is the Knowledge Area that employs the processes required to ensure timely and appropriate generation, collection, distribution, storage,retrieval, and ultimate disposition ofproject information.A . IntegrationB . TimeC . Planning

[单选题]A computer virus is a computer program that is created to make and spread (72) of itself.(72) A．programsB．virusC．copiesD．files

[名词解释] SAM现象

[单选题,配伍题] SAM征（）A .二尖瓣脱垂B .二尖瓣狭窄C .大量心包积液D . D.肥厚型心肌病E .扩张型心肌病

[名词解释] SAM征

[单选题]Project(74)Management is the Knowledge Area that employs the processes required to ensure timely and appropriate generation, collection, distribution, storage, retrieval, and ultimate disposition of project information.A．IntegrationB．TimeC．PlanningD．