雾霾的危害英语作文

时间：2021-08-04 20:26:42 英语作文我要投稿

雾霾的危害英语作文

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雾霾的危害英语作文

　　Our family is very large, PM2.5, PM10, PM50 and PM100, these are just the tip of the iceberg, my family has unlimited diameter is any micron members, and I was one of the most common members of the family - PM2.5, my diameter is only 2.5 microns, I only the world's smallest life - bacteria large diameter up to a few microns.

　　I first entered the nostrils of the human body, the nostrils of the hair can not stop me, I then entered the body's throat, throat than the nostrils in the hair was even smaller, but he still can not stop me, I entered the human blood, human blood Macrophages will take me as bacteria swallowed, and those choked macrophages will release a substance that can cause inflammation of cells and tissues.

　　We must not take me into the nose, so I am not good, if you swallow me, then I will be those relentless macrophages swallowed into the stomach. So that you are not good, when you suck me into the nose, your nose will be black, this one another black thing is one after another bacteria, so we do not put I and my brothers and sisters sucked into the nose.

　　People who are contaminated by me are listening to you: if my index is between 0 and 10, that is where the environment is very good in the world; if my index is between 11 and 50, the air Quality index is excellent, we can rest assured that the outdoor activities; if my index between 51 to 100, then we can also go out to activities; if my index between 101 to 200, then the air quality index for mild pollution We should reduce the physical exertion and outdoor activities; if my index between 201 ~ 250, then the air quality index for moderate pollution, the disease must not go out of activities; if my index in the 251 ~ 300 If you index between 301 ~ 500, then it is heavily polluted, there is a cold crowd can not go out, the general population should also be reduced to go out, so that everyone can stay in the car or stay at home;

　　So, we must keep fit, can not let me into your body!

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