属于急性心肌梗死的主要原因是（） A.感染 B.冠状动脉痉挛 C.冠状动脉堵

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 （）, the several teams slowly change the functions, sizes, and speeds of their own programs, and they explicitly or implicitly （） their assumptions about the 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 （） this function will arise in application programs. Meanwhile, back at the ranch, his neighbor may be designing a major part of the supervisor so that it critically depends upon the speed of this function. This change in speed itself becomes a major specification change, and it needs to be proclaimed abroad and weighed from a system point of view. How, then, shall teams （） with one another In as many ways as possible. Informally. Good telephone service and a 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 riefings, are（）. Hundreds of minor misunderstandings get smoked out this way. Workbook. A formal project workbook must be started at the beginning.

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

A．worthless

B．valueless

C．useless

D．invaluable

患者男，28岁。近3年来，常反复发生精神兴奋，冲动，奔走高歌，无理吵闹，每次发作持续数分钟自行缓解，发作间歇期一如常人，对发作时的情况毫无记忆。其癫痫的发作类型是（）

A.局限性发作

B.失神小发作

C.大发作

D.癫痫持续状态

E.精神运动性发作

(四)根据下面文字资料，回答130～134题。

2000年，中国财政大幅度增加社会保障支出，仅中央财政就安排养老、失业、下岗职工基本生活保障和城镇居民最低生活保障等社会保障支出478亿元，比1999年增长86%。到2000年底，全国有10 408万职工参加失业保险，日平均领取失业保险金人数为188万人；有10 447万职工和 3 170万离退休人员参加了基本养老保险；有4 300万职工参加了基本医疗保险。

参加基本养老保险的有多少人（）。

A．10408万

B．10447万

C．3 170万

D．13 617万

对工程项目施工进度控制以实现施工合同约定的竣工日期为( )。

A．进度目标

B．总目标

C．具体目标

D．最终目标

为尽量发现病人，在制订筛选方法标准过程中，常采用

A．提高方法的灵敏度
B．提高方法的特异度
C．降低假阳性率
D．提高假阴性率
E．使假阴性率与假阳性率相等