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问题 填空题

按电动机的形式分类可分为（）。按结构特征及用途分类可分为（）。

答案

参考答案：单相交流罩极式、单相交流电容式及交直流两用的串激式电风扇；台扇、吊扇、落地扇、排气扇、箱式电扇

单项选择题

使用中的氧气瓶与乙炔气瓶应（）放置并固定起来，氧气瓶与乙炔气瓶的距离不得小于5m。

A.垂直

B.单独

C.横向

D.纵向
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单项选择题

The nurse discusses with the 4-year-old child and parents the plan of care that will be implemented when the child returns from the throat surgery. Which of the following interventions should the nurse emphasize（）

A. Need for frequent coughing.

B. Use of acetylsalicylic acid for pain, as needed.

C. Ability to have ice cream right after surgery.

D. Use of sips of clear liquids when awake and alert.
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