_________(污染）air does harm to our health,it's necessary to keep air fresh and clean

_________(污染）air does harm to our health,it's necessary to keep air fresh and clean We all know __________（污染） air does harm to our health.It’s necessary to keep our air Nothing can live without air 同义句‍1.Nothing can live without air .（变为同义句） Nothing can live if __________ is _________ air . 根据句意及汉语填写正确的单词Students in my class like the open air _________（活动） CO对空气的污染,主要来自于_______,其次自_________等（填CO的化学性质） 大气污染包括（ ）污染,（）污染,（）污染,( )污染 the teather ________ us _________ birds.air _______ __________ __________ human beings1.老师把我们比作小鸟.2.空气对人类来说很重要.（七年级上册内容） are there__________people in the park?my father is going to Beijing by air tomorrow.（改为同义句）my father _________ __________ to Beijing tomorrow. air air air 初三英语填空(每空一词）1.Without air and water fish will______.2.He _________ up the football match because of his sore back.3.Lisa made great progress _________ her teacher's help. 《塞翁失马》选自《_________》,又名《_________》,是_________（朝代）_________ 相同感情色彩的词语!（1）清廉正直：_________,_________,_________,_________.(2)狼狈为奸：_________,_________,_________,_________. The morning air is so good _________.A to be breThe morning air is so good _________.A to be breathed B to breatheC breathing D being breathed John doe jane doe There is more and more air __(污染)in the big cities .填什么形式 pollution of water and air 怎么翻译,水污染和空气还是水和空气的污染