云南省2023届九年级期中综合评估[2L]数学试题 答案

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短文改错：Hello,everyone!It is my honor to deliver a speech on keeping air clean.As is know to us,we humansknowncan't live without air,just as fish can't live without water.However,the World Health Organization has re-cently announced a shocked study about the air we breathe.It has found that almost everyone on the earthshockingbreathe unhealthy air.The data is rough from 600 cities in 117 countries.The study shows that mostly of thebreathesroughlymostworld's people breathe the air that it breaks WHO air quality limits.As a result,million of people die everymillionsyear because A pollution-related diseases.Therefore,it was important for us to take action to solve theof1Senvironment problems and keep the air clean.environmental

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