2022英语周报第56期答案

低AB【分析】1、内环境稳态是指正常机体通过调节作用,使各个器官、系统协调活动,共同维持内环境相对稳定的状态;主要包括内环境的组成成分以及渗透压、温度、pH等理化特性处于相对稳定的状态;内环境稳态是机体进行正常生命活动的必要条件。2、调节机制:神经-体液-免疫调节网络。解】A、新冠肺炎患者肺部血管通透性增大,可导致血浆蛋白渗出,从而组织液渗透压相对升高,引起肺水肿,A正确;B水肿时,奇无肺重者容力出现吸机肉当呼吸收输时:,其肺扩张不,。氧气难细血管的气体交换,会导致血氧饱和度下降和无氧呼吸比例增强,引发机体酸碱平衡失调,B正确;C、神经细胞的静息电位是由钾离子通过协助扩散的方式外流引起的,将药物溶解在氯化钾溶液中静脉滴注,将导致血浆钾离子浓度过高,会导致神经细胞钾离子外流减少,静息电位绝对值减小,C错误;D、血浆肝酶含量高于正常值说明肝细胞膜的通透性增加,肝细胞可能受到一定程度的损伤,酶在细胞内、外,机体内、外均具有催化作用。D错误。故选AB。m41)小如如的h胎公烈柚

第一节短文改错Im glad to know you were learning Chineseanguage and culture. In your last e-mail you said youwanted to know anything about my family spirits.Well, there are many good qualities that have Abeenpassed from generation to generation in my family. Mparents lay emphasis on the importance of honestbravery, perseverance and diligence and they have setgood example for me. My family spirits have anunbelievable profound influence on me. I'm friendly toablyothers but always ready to help others. I always cheerandup and never stop chase my goal even though I meetacross difficultiesithOwing to those good qualities, I have made tgreat progress in my study.

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