choose A or B which is closer in meaning to the given sentences
1:stop smoking or it's not good for both your health and the air
A:If you don't stop smoking,you will destroy your health àn the air we breathe
B:You wouldn't destroy your health and the air we bretheif you stopped smoking
2:Nuclear weapons research and develoyment leads to radioacrive contamination
A:Radioactive contamination may not happen more often if there aren't nuclear weapons research and develoyment
B:Radioactive contamination mightn't happen more often if there weren't nuclear weapons research and develoyment
3:The factory has to be responible for not treating their industrial sewage properly
A:This river wouldn't be polluted if that factory treated their industrial sewage properly
B:This river will be polluted if that factory doesn't treat industrial sewage properly
4:People throw trash everywhere.Maybe they need to be raised their awareness of visual ppollution
A:If people are more aware of visual pollution,they won't throw trash everywhere
B:If people were more aware of visual pollution,they wouldn't throw trash everywhere
5:The sale is persuading me to buy the product of filter from his company
A:If you didn''t use this filter,it wouldn't remove almost pollutants from your drinking water
B:If you use filter,it will help you remove almost pollutants from your drinking water
6:I think the mayor of this city should cut down the unnecessary light poles to save energy
A:I would cut down the unnecessary light poles if I were the mayor of this city
B:If I am responsible for this city's policy,I will cut down the unnecessary light poles