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问题 填空题

在一条南北方向的平直公路上，有甲、乙、丙汽车依次向北行驶，甲车速度大于乙丙两车的速度，而乙丙两车速度相等，则以______为参照物三车均向北运动；以甲为参照物乙车向______运动，以______为参照物乙车静止．

答案

（1）以地面为参照物，三车相对于地面的位置都发生了变化，所以三车以地面为参照物都向北运动；

（2）甲车速度大，以甲车为参照物，乙车相对于甲车向南运动；乙丙两车速度相等，以丙车为参照物，乙车的位置没有发生变化，所以乙车是静止的．

故答案为：地面；南；丙车．

单项选择题

So it is today．Schedule disaster functional misfits,and system bugs all arise because the left hand doesn’t know what the right hand is doing．As work （31）, the several teams slowly change the functions,size, and speeds of their own programs, and they explicitly or implicitly （32） their assumptions aboutme inputs available and the uses to be made of the outputs.

For example, the implementer of a program-overlaying function may run into problems and reduce speed relying on statistics that show how （33） this function will arise in application programs．Mean-while back at the ranch, his neighbor may be designing a major part of the supervisor so that it criticallydepends upon the speed of this function．This change in speed itself becomes a major specificationchange, and it needs to be proclaimed abroad and weighed from a system point of view.

How, then, shall teams （34） with one another In as many ways as possible.

·Informally．Good telephone service and clear definition of intergroup dependencies will encourage the hundreds of calls upon which common interpretation of written documents depends.

·Meetings．Regular project meetings, with one team after another giving technical briefings, are （35）.Hundreds of minor misunderstandings get smoked out this way.

·Workbook．A formal project workbook must be started at the beginning.

（34）处填（）。

A．work

B．program

C．communicate

D．talk
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单项选择题 案例分析题

患者，男性，63岁。胸闷、气急2周。胸片示左侧大量胸腔积液，胸穿抽出血性胸腔积液1000ml。

进一步证实病因，最佳的检查方法是（）

A.胸片

B.胸部超声波检查

C.胸腔积液常规检查

D.胸腔积液脱落细胞检查

E.痰细胞学检查
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