题目

焦亚硫酸钠（Na2S2O5）是一种常用的食品抗氧化剂，小金模仿化工生产，用如图装置来制取Na2S2O5 ． 已知：A中发生的反应为：H2SO4（浓）+Na2SO3═Na2SO4+SO2↑+H2OB中发生的反应为：Na2SO3+SO2═Na2S2O5 （1） 图中盛放浓硫酸的仪器名称是； （2） 写出C中发生反应的化学方程式； （3） 在实验过程中，滴加浓硫酸不宜过快，理由是． （4） 该实验开始滴加浓硫酸时，应先除尽装置内的空气，若忘记这一操作，新制取的Na2S2O5产品中会混有Na2SO阅读短文，并按要求完成下面小题。"Mirror, mirror on the wall, (1) what will I look like in ten years? Will I look pretty if I eat junk food and don't exercise?"To get the answers, you might need a special mirror. French scientists have invented(发明）(2) one . In this mirror, you won't see what see what you look like today. You will see what you'll look like in the future."The mirror looks just like the one in your bathroom, but with two differences." says Martin Ally, one of the scientists. First, it has a camera(照相机）to take your pictures. You also need to tell the mirror what you eat and how you exercise. Then, with that information, special software(软件）in it will create a future vision(形象）of you on the mirror.What can bad habits do to you in five or ten years? This mirror may just show you. If you don't want it to become real, give up your bad habits right now!【1】将文中画线句子译成汉语._____________________________________________________.【2】写出画线单词one指代内容____________________.【3】How many differences does the mirror have from a common mirror?_____________________________________________________.【4】Can people use the special mirror to help them keep healthy?_____________________________________________________.【5】画线词组 give up的意思是________.A.给予B.向上C.放弃D.屈服