低钠盐适合患有高血压、肾病、心脏病的患者服用，苹果酸钠盐（C₄H₅O₅Na）是低钠盐的一种。请回答：
（1）苹果酸钠盐的相对分子质量是              。
（2）苹果酸钠盐中各元素的质量比为C：H：O：Na=              。（写出计算过程）
（3）若某病人每天食用5．85g苹果酸钠盐，摄入钠元素多少克?          （计算结果保留一位小数）

低钠盐适合患有高血压、肾病、心脏病的患者服用，苹果酸钠盐(C₄H₅O₅Na)是低钠盐的一种。苹果酸钠盐的摩尔质量是            ，钠元素的质量分数为          (精确到0.1%)；苹果酸钠盐中各元素的质量比为C:H:O:Na=        ；5.85g苹果酸钠的物质的量是    mol，若某病人每天食用5．85g苹果酸钠盐，比食用相同质量的食盐(NaCl)少摄入钠元素    克。

“低碳生活”已成为时下流行的生活方式。作为学生，我们要积极倡导，身体力行。下面是一份关于“低碳生活”的调查问卷，请你根据问卷内容及自己的生活实际，写一篇英语短文，谈谈你对“低碳生活”的认识及你的做法。
要求：1. 文章内容符合题意，包含表格所提供的信息；
2. 文中不得出现考生的真实姓名、校名、地名；
3. 词数90左右（文章开头已给出，不计入总词数）。

The Low-carbon Lifestyle
How do you go to school?	A. By bike(  ) B. By bus(   ) C. On foot(  )D. By car(  )
Which do you prefer?	A. Soft drinks(  ) B. Boiled water(  )
How often do you use air-conditioners?	A. Often(  ) B. Sometimes(  ) C. Never(  )
Do you know the three Rs?	A. Yes(  ) B. No(  ) If you know the three Rs, say something about them.
Your opinions:

 
Now the low-carbon lifestyle is becoming popular among people. As a student, ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

“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.          　▲　

“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(循环利用) 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 (代替)driving his car.
【小题4】Li Lei usually uses QQ or emails to communicate with his friends instead of paper letters.
【小题5】Miss Zhang never wears fur(皮草) clothes and she decided to eat less meat.