is harmful 等于哪个词

Now some middle school students smoke because they think smoking is an enjoyment.
In fact,smoking does harm to health especially to the teenagers. Doctors and scientists have found
that smoking may cause serious illnesses, such as heart troubles or cancers. More and more people in
the world have given up or have decided to get rid of smoking. We teenagers should stop doing such
silly things,too.
We students should make full use of time to study, and do things to benefit our homeland, our people
and ourselves. From now on, wo should form good habits.
答案不唯一

Now ,some young people from smoking ,they think that smoking is a enjoyment.In fact smoking is harmful to health,more dangerous for young people.After scientists and doctors was found smoking can caus...

Smoking is Harmful It has been estimated that smokers have made up half of the population in China. And the smokers are becoming younger and younger, even ineluding some middle school students. Nowadays more and more people have realized smoking can do harm to people'shealth. However, some people still enjoy smoking. Why? Because some of them think it is a kind of fashion, some think it is of GREat fun and others, think that smoking can refresh themselves. In fact, smoking is a bad habit. It can cause a lot of diseases. Meanwhile smoking is a waste of money. Besides, careless smokers may cause dangerous fires. Smoking is harmful and it is not only bad for smokers themselves, but also bad for non-smokers. Therefore, I hope all the smokers can give up smoking for themselves and also for the people around them.