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问题描述：

[单选] 为减少营养素的流失，一般蔬菜的初加工应先切后洗。
A．对 B．错
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上一篇：有硬毛、硬壳的家畜内脏和四肢一般采用热水烫洗法进行初步加工。 下一篇：发芽的土豆不可食用，因为其中含有皂素。

随机题目

使用二氧化碳灭火器时，注意事项分别是（）
医院范围内能吸烟吗（）
您被要求解释一名76岁患者的动脉血气，该患者因呼吸急促和低氧饱和度急性发作而入院治疗。 该测试在室内空气中进行，读数如下：pH 7．37，PO2 7．8，PCO2 4．1，HCO3 24，SO2 89％。 从这些动脉血气结果中选择最可能的临床解释：You are asked to interpret an arterial blood gas of a 76-year-old patient who was admitted to accident and emergency with an acute onset of breathlessness and low oxygen saturations． The test was taken on room air and read as follows: pH 7．37， PO2 7．8， PCO2 4．1， HCO3 24， SO2 89 per cent． Choose the most likely clinical interpretation from these arterial blood gas results:
您希望在一名67岁的患有COPD两年且未使用家庭氧气的患者中，通过室内空气获取以下哪些动脉血气结果？Which of the following arterial blood gas results， taken on room air， would you expect to see in a 67-year-old patient who has been suffering with COPD for two years and is not on home oxygen？
一名32岁的建筑工人在事故和紧急状态下处于窘迫状态。 他报告说在过去的两个星期内都遭受了胸痛，疼痛剧烈，只有在他移动重物时才会发生。 他有心血管疾病的家族病史，担心心脏病发作。 他的血气发现如下：pH = 7．47； PCO 2 = 3．3； PO2 = 15．3； 碳酸氢盐= 17．53。 最可能的诊断是：A 32-year-old builder presents in accident and emergency in a distressed state． He reports suffering from chest pain for the last 2 weeks， the pain is sharp and only occurs when he moves heavy objects． He has a family history of cardiovascular disease and is worried about a heart attack． His blood gas findings are as follows: pH = 7．47; PCO2 = 3．3; PO2 = 15．3; bicarbonate = 17．53． The most likely diagnosis is:
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