It is well known that smoking causes harmful side effects; however, we see thousands smoking. Not only the elderly, 1 ______ young people and children under 18 smoke, in order to show they 2 ______---maybe smoking is a 3 ______of being a grown-up. 4 ______, smoking has become a serious social problem. Our government has 5 ______ called on people to 6 ______ smoking. As a result, many have given up smoking. 7 ______ a lot more people are joining the ranks of smokers. 8 ______ it is far from enough to 9 ______ the matter to slogans(口号). 10 ______ is necessary is a campaign 11 ______ smoking. Firstly, I suggest regulations 12 ______ be made to forbid smoking in public places. In many cities smoking is not 13 ______ in cinemas or in theatres. Smokers have to abide by(服从)it, 14 ______ they'll be fined. Why can't we 15 ______ this as a good example to develop it in other public places 16 ______ on the trains, in the offices, hotels and so on? Secondly, I suggest stricter measures 17 ______ taken to impose a tax 18 ______ smokers for causing pollution. 19 ______ we'll continue the fight against smoking in the 20 ______ that one day smokers will fully realize the health ers they face.