问题
多项选择题
钾在人体的主要生理功能是()
A.参与细胞内的正常代谢
B.维持细胞内容量、离子、渗透压及酸碱平衡
C.维持神经肌肉的应激性
D.维持心肌的正常功能
E.以上都不是
答案
参考答案:A, B, C, D
钾在人体的主要生理功能是()
A.参与细胞内的正常代谢
B.维持细胞内容量、离子、渗透压及酸碱平衡
C.维持神经肌肉的应激性
D.维持心肌的正常功能
E.以上都不是
参考答案:A, B, C, D
任务型阅读(共5小题;每小题1 分,满分5 分) “低碳生活,从我做起!”请仔细阅读下列材料,找出以下五种“低碳”行为产生的直接效应。
小题1:Henry often recycles water to clean his room and water the flowers. 小题2:Daphne always turns off the lights and the computer as soon as she leaves her office. 小题3: Mr. White sometimes goes to work by bus or on foot instead of driving his car. 小题4: Li Lei usually uses QQ or e-mail to communicate with his friends instead of paper letters. 小题5:Miss Zhang never wears fur(皮草)clothes and she decides to eat less meat. |