The project life-cycle can be described as ( ).

A．project concept, project planning, project execution, and project close-out

B．project planning, work authorization,and project reporting

C．project planning, project control, project definition, WBS development , and project termination

D．project concept,project execution, and project reporting

恶心伴随症状的临床意义下列哪项正确（）

A.腹泻--十二指肠淤滞

B.呕吐物量大且有粪臭--幽门梗阻

C.眩晕--美尼尔综合征

D.右上腹痛及发热--食物中毒

E.头痛及喷射性呕吐--基底动脉供血不全