患儿,男,5岁。咳喘反复发作2年余。昨日突发咳喘,喉间痰鸣,声高息涌,张口抬肩,呼气延长。临床诊断最可能是
A.咳嗽B.感冒挟痰C.肺火喘嗽D.哮喘E.顿咳
参考答案:D
瞳孔对光反射中枢位于()
A.脊髓
B.延髓
C.脑桥
D.中脑
Tool for defining activities is()
A.Dependency Determination
B.Precedence Diagramming Method
C.Rolling Wave Planning
D.Schedule Network Templates