Students Begin to Smoke at a Younger Age SHANGHAI---- Almost one in four students aged between 12 and 14 have tried smoking, according to the results of a survey from the CATC . " Quite a number of boy students in my class smoke outside the school yard during lunch break," said Li Xiaolan, an English teacher from a high school in Shanghai. The survey also found that 39 percent of students took their first cigarette from their classmates. " It was quite common to smoke with my classmates at school,"said Zhou Guangrong,a 22- year-old university student from Guiyang, Guizhou province,who started smoking at the age of 12. Most of the student smokers buy cigarettes themselves." My middle and high schools were surrounded by cigarette shops when I was a student," said Liu Minghui who used to smoke two cigarettes per day in primary school and two packs per week in middle and high school. " We're keen to show that more teenagers are starting smoking much younger than before,and that we need to minimize  the number of young smokers," said Duan Jiali, an officer in CATC. He added that teachers and parents should set a good example for teenagers by not smoking in front of them at school or at home, which is the best way of stopping teenagers from smoking. The survey found that 39 percent of students took their first cigarette from   _  .
their parents their teachers their brothers their classmates