Everyone must have experiences of setting off fireworks and firecrackers（爆竹）during the Spring Festival, but this year, stricter  (1)   on fireworks and firecrackers have been made by many cities and provinces. Since air pollution is   (2)  more and more serious all over China, the government has taken action.

Different cities have taken   (3)   measures to prevent that. For example, Beijing has told citizens that if there is someone who   (4)   the rules again, setting off fireworks and firecrackers will be completely banned. Shanghai even asks people to write down their   (5)   names and addresses on their ID cards when they buy fireworks and firecrackers.

The more fireworks and firecrackers, the  (6)   serious the air pollution will be. Although many people are quite sure of it, tradition is still popular in some areas. People believe that fireworks and firecrackers are useful for  (7)  away evil spirits（恶魔）. And people  (8)  live and work in cities follow the tradition when they go back to their rural homes for the Spring Festival. In big cities, however, citizens are ready to give up the pleasure of setting off fireworks and firecrackers to   (9)   some fresh air.

All in all, people should think twice before they  (10)   a choice between practicing customs and enjoying a healthy life.