高血压病的诊断标准。
参考答案:
我国采用国际上统一的标准,即收缩压≥140mmHg和(或)舒张压≥90mmHg即诊断为高血压。
他们在农田、作坊里辛勤劳作,但却一无所有,连人身自由都没有。这些人的身份是[ ]
A.农民
B.奴隶
C.佃户
D.奴隶主
PDM includes four types of dependencies or precedence relationships:…(73). The completion of the successor activity depends upon the initiation of the predecessor activity.…
A.Finish-to-Start
B.Finish-to-Finish
C.Start-to-Start
D.Start-to-Finish