在抢救CO中毒者进行输氧气时,可在氧气中加()%的CO2刺激呼吸中枢。
A、10
B、7.5
C、5
D、2.5
参考答案:C
男性,68岁滞有短暂性眩晕发作已2年,血压21.3/12.7kPa(160/95mmHg),神经系统与头部CT检查无异常发现。患者拒绝治疗,在其自然转归中,在判断预后时下述哪一项最不可能()
A.可能自行缓解
B.易发生脑梗死
C.经常眩晕发作
D.易发生心肌梗死
E.易发生脑静脉血栓形成
WebSQL is a SQL-like (1) language for extracting information from the web. Its capabilities for performing navigation of web (2) make it a useful tool for automating several web-related tasks that require the systematic processing of either all the links in a (3), all the pages that can be reached from a given URL through (4) that match a pattern, or a
combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (5) Interface.
5.见题干()
A. Router
B. Device
C. Computer
D. Gateway