ckers during the spring festival. 20 boy and 20 girl students attended the discussion. as a result, 40% of them believe that setting off firecrackers certainly adds pleasure and joy to the festival. therefore, it is a wonderful tradition. but another 40% of the students think that setting off firecrackers causes air and noise pollution, and what’s more, it sometimes causes terrible accidents to us and to our property. the other 20 % have never thought about it or don’t care a bit. in my opinion, ……

　　                                                  yours truly,

　　                            &nbs

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