英语课前演讲

2020-03-02 04:36:33 来源：范文大全收藏下载本文

Hello everyone! Today, my topic is environmental pollution.And the topic focuses on water pollution and air pollution.The contents of my topic include………….Ok first, let’s see the ……..from the picture we can know the water pollution is more severe in the eastern area, especially in the coastal area.

Air pollution.This is the picture about the water quality.According to the picture, 33.3% is Inferior to level 3

Particulate matterPM2.5 concentration distributionSerious pollution 严重污染

hazy weather