患者男性，59岁，高血压病史4年余，近1月活动后有胸骨后闷痛感，休息可缓解。今因情绪

Quality and grade are not the same. A fundamental distinction is that ______ .

A) grade is a category assigned to products or services having the same functional use. but different technical characteristics
B) low quality may not be a problem; low grade is always a problem
C) determining and delivering the required levels of quality are not included in the responsibilities of the project manager and the project team
D) determining and delivering the required levels of grade are not included in the responsibilities of die project manager and the project team

小儿夏季热发病以6个月至3岁小儿最多。

竞争能力分析主要基于对( )进行分析评价。

A．行业结构
B．企业相对市场地位
C．企业内部要素
D．项目竞争结构

在中国会计发展过程中出现的记账方法中，（）既要登记来账方面，又要登记去账方面，属于单式记账法向复式记账法过渡。

A.四柱结算法

B.四柱清册

C.龙门账

D.四脚账

Terex3311E汽车的制动型式是怎样的？