单元制锅炉多采用()停炉。
A.滑参数
B.定参数
C.紧急
D.故障
参考答案:A
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
男,78岁。1天前突然失语伴右上肢活动无力进行性加重,但意识清楚,脑脊液检查无异常。最可能的诊断是
A.短暂性脑缺血发作B.脑血栓形成C.脑栓塞D.脑出血E.蛛网膜下腔出血