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3).Whenever someone offers you a cigarette, you should always say no.
4).Once you get into the habit of smoking, it’s not easy to give it up
【Learning approaches】教师点拨，学生自主学习，合作探究，掌握重点结构。
【导学过程】一、自主预习，认真准备。（英汉互译：）
1.对……有害处 ____________ 2.数以百万的______________
3.作为...的结果 ____________ 4.冒 险______________
5.鼓励某人做某事 _______________ 6.the second-hand smoke_________
7．get into the habit of__________ 8. give up _______
9. in public place ____________ 10. try doing sth _______________
二、自主探究，合作交流
(一)Discussion: (1).Why is smoking harmful?
(2).How should we stay healthy?
(二) Text learning(课文学习）
1.Listen to the tape and write T or F.
1). As a student, you should never smoke. ( )
2). Every year, thousands of people around the world die as a result of smoking.
( )
3). Smoking is only harmful to the smokers. ( )
4).Once you get into the habit of smoking, it’s easy to give it up. ( )
2. Read the text and finish the exercise1 in “Let’s Do It!”.
(三) Language points（合作探究，共同完成）:
1). Smoking is bad for your health .翻译：
同义句：
be bad for 的反义短语：
翻译：在太阳底下看书对眼睛不好。__________________________
2).Every year, millions of people around the world die as a result of smoking . 翻译：
A. 翻译下列两个句子总结millions 的用法
(我们每年种植数百万的树。We plant every year.
(他愿意支付200万。He was prepared to pay .
你能列举出和它用法相同的词吗？