男性,42岁,支气管哮喘急性发作,血气分析:PaCO2增高,提示()
A.出现呼吸性碱中毒
B.病情好转
C.病情恶化
D.出现心力衰竭
E.无临床意义
参考答案:C
He called another girl, ______ was more suitable for the position. [ ]
A. he believed
B. who he believed
C. he believed she
D. whom he believed
在风险控制措施计划中,()的措施是应努力降低风险,但应仔细测定并限定预防成本,并在规定的时间期限内实施降低风险的措施。
A.中度的风险
B.可容许的风险
C.重大的风险
D.不容许的风险