HOC24
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Báo lỗi
Do you know what is the cause __________ pollution?
My mother has to measure blood __________ every month
__________ pollution is harmful or annoying level of noise, as from vehicles, industry activities, etc.
Parents should teach children not to __________ wastes on the road
I can’t hear your voice __________ I’m wearing an earplug
His grandfather made him __________ hard when he was small
This picture __________ the contamination of ground water.
Could you list some non-point source __________?
Scientists has just come up __________ a solution to hearing loss
If we dump a plastic into the ground, it __________ a long time to disappear.
Pollutions are harmful __________ human health
What would you do if a factory in your neighborhood __________ untreated water into the river?
__________ water resulted in the death of many aquatic animals.
Have you ever heard about the __________ of radioactive pollution?
__________ pollution is the increase of temperature caused by human activity.