题目内容：

阅读短文，将文中划线部分翻译成中文。（共6分，每小题2分）

1.It is said that about half of the people in China smoke. Many young boys and girls have the habit of smoking, though they are middle school students.

2.More and more people have come to realize how serious this problem is. But they are never bored with it.

3.Smoking causes many illnesses. The most serious illness caused by smoking is lung cancer. At the same time smoking is a waste of money. Besides, careless smokers may cause dangerous firs.