freepeople性欧美熟妇, 色戒完整版无删减158分钟hd, 无码精品国产vα在线观看DVD, 丰满少妇伦精品无码专区在线观看,艾栗栗与纹身男宾馆3p50分钟,国产AV片在线观看,黑人与美女高潮,18岁女RAPPERDISSSUBS,国产手机在机看影片

正文內(nèi)容

大氣污染英語(秀秀)(已修改)

2025-08-16 15:35 本頁面
 

【正文】 人與自然 大氣污染 09物電一班 09020229 范林秀 現(xiàn)在我們呼吸的空氣是被污染的。大氣為什么會被污染呢 ? 工廠和汽車的排煙是主要原因。隨著亞洲國家工業(yè)的迅速發(fā)展,人口增加,利用汽車的在增多,大氣污染成了深刻地問題。大氣污染不管有害于我們的健康,也是全球變暖的原因之一。環(huán)境問題需要我們每個人提高意識。下面讓我們看一下關(guān)于大氣污染的現(xiàn)狀和對策及造成大氣污染的原因。 Now the air we breathe is polluted. Why was the atmosphere pollution? Factories and automobile exhaust are the major reasons. With the rapid development of Asian country industry, the increase of population, the increasing, with auto in atmospheric pollution became profoundly problem. Air pollution whether harmful to our health, is also one of the reasons of global warming. Environmental problems need every one of us raise awareness. Let us see about the present situation of air pollution and countermeasures and cause air pollution causes. Air pollution causes Cars, factories and such exhaust smoke pollute the air, this kind of situation that air pollution. Atmospheric pollution material including nitrogen oxides (NOx), particle state substances (SPM) zooplankton, carbon dioxide (CO2), etc. These substances are causing global warming, acid rain, photochemical tuck reasons. If atmospheric pollution is the main reason of the cars, factories discharge of smoke artificial factors. Air pollution is with our daily life closely related environmental proble
點擊復(fù)制文檔內(nèi)容
環(huán)評公示相關(guān)推薦
文庫吧 www.dybbs8.com
公安備案圖鄂ICP備17016276號-1