如图所示的电路中，三只电流表的示数分别为I1、I2、I3，则下列关系正确的是 [

Stay awake！You should know that it________to sleep in class.[ ]

A．doesn’t permit  

B．is not permitted

C．will not be permitted  

D．was not permitted

可以区别脊髓压迫症和肌萎缩侧索硬化的体征是（）

A.传导束型感觉障碍

B.下肢的肌张力升高

C.手部肌肉萎缩无力

D.两下肢病理征阳性

E.下肢的腱反射亢进

病人，男性，68岁，因近日咳嗽、咳痰、气促明显，后又出现神志不清、发绀而入院。既往有肺气肿病史。动脉血气分析pH 7.31，PaO₂52mmHg，PaCO₂61mmHg，该病人可能出现了()。

A．肺心病

B．肺炎

C．左心衰竭

D．呼吸衰竭

E．肺癌

A preschool-aged child who is hospitalized with gastroenteritis has been NPO. The physician has written an order to advance the diet as tolerated. Which of the following food is the most appropriate for the first feeding the nurse should offer the child

A．Clear lemon carbonated beverage.

B．Toast.

C．Cooked cereal.

D．Ice cream shake.

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