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问题 单项选择题

行股静脉穿刺置管时，其穿刺点定位为股动脉搏动的什么位置？ （）

A．内侧0.5～1 cm

B．内侧2.0～2.5 cm

C．外侧0.5～1 cm

D．外侧2.0～2.5 cm

答案

参考答案：A

单项选择题

WebSQL is a SQL-like (26) language for extracting information from the web. Its capabilities for performing navigation of web (27) make it a useful tool for automating several web-related tasks that require the systematic processing of either ail the links in a (28) , all the pages that can be reached from a given URL through (29) that match a’ pattern, or a combination of both. WebSQL also provides transparent access to index servers that can be queried via the Common (30) Interface.

（26）是（）

A.query

B.transaction

C.communication

D.programming
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判断题

水位变化不能直接推动水位轮码轮旋转时，先用右手拿住水位轮向右拉紧,左手将第一码轮组部件向左挪，同时使码轮组部件上的螺钉方向与水位轮上螺钉一致(轴端铣有平槽),最后上紧螺钉。
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