随着经济的发展，能源与环境成为人们日益关注的问题。
（1）下列不属于绿色能源的是____ .

（2）当空气受SO₂严重污染时，可通过飞机喷洒X粉末，使空气中的SO₂含量明显降低，该过程发生的反应是2X+2SO₂+O₂=2CaSO₄+2CO₂，X的化学式是____ ；
（3）我国自主研发的一种电动汽车使用的能源是新型锂电池。该电池的总反应可以表示为：Li+MnO₂=LiMnO₂，该反应的基本类型属于____ ；从化学角度看，与使用汽油的汽车相比其优点（举出一点即可）____ 。
（4）燃烧是人类最早利用的化学反应之一，火善用之为福，不善用之为祸。下面是一些常用的灭火方法：
①熄灭液化气灶火焰时，关闭阀门；②木材着火时，用泡沫灭火器灭火；
③油锅着火时，用锅盖盖灭；     ④熄灭酒精灯时，用灯帽盖灭；
⑤房屋着火时，用高压水枪灭火；  ⑥森林着火时，将大火蔓延线路前的一片树木砍掉。
请你从灭火原理角度，选择一种分类标准进行分类：
分类标准(1)____ ，包括事例(2)____  (填序号)。

    You may hear about earthquakes, but do you know what to do before, during and after an earthquake? Here is some advice for you:

    Before an earthquake

____All family members should know how to turn off gas, water and electricity and know useful telephone numbers (doctor, hospital, police, 119, etc.). Never put heavy things over beds.

    During an earthquake

    It's important for each of you to stay calm. If you are indoors, quickly move to a safe place in the room such as under a strong desk or a strong table.____ Stay away from windows, large mirrors, heavy furniture and so on. If you are cooking, turn off the gas.____ Move away from buildings, bridges and trees.

    After an earthquake

    ____ It's better to wait and leave when it is safe.

    Check around you and help the people who are in trouble. If your building is badly broken, you should leave it.____ If you can do it safely, turn off the gas. Then report it to the gas company.

A. It's necessary to prepare yourself and your family.

B. But earthquakes almost never kill people directly.

C. Earthquake is one of the most severe natural disasters.

D. The purpose is to protect yourself from falling objects.

E. If you arc outdoors, move to an open area like a playground.

F. Once the shaking has stopped, DO NOT run out of the building at once.

G. If you smell or hear a gas, get everyone outside and open windows and doors.

青少年沉迷手机游戏导致眼球某结构曲度过大而形成假性近视，该结构是（  ）