1、Lesson 4 Dont Smoke, Please!,Unit 1 Stay Healthy,1,Unit,Lesson 4：Dont Smoke, Please!,Key words millions of, as a result of, second-hand smoke, take a risk, get into the habit of, stay away from To understand: disease, lung, harm, breathe, cigarette,Key sentences: What should we do?,學習目標,Through the

2、study of the lesson can make the students learn that smoking is harmful to our health and stay away from cigarettes.,Does your father smoke? Do you think smoking is a bad habit？,Lead in,Ten years ago,Now,Smoking is bad for your health.,Smoking is harmful to our health.,It can cause diseases of the h

3、eart and lungs .,d zi:z,有害的,疾病,h:mful,l,肺,A,B,Pre-reading,Whenever someone offers you a cigarette， you should always say no. Dont take that risk.,siret,香煙,冒險,rsk,Everyone wants to live in a clean environment and breathe fresh air.,In many countries, smoking in public places is now against the law.,呼

4、吸,公共的,法律,bri:,pblk,l:,Listen to the tape and then answer 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. Once you get into the habit of smoking, its easy to give it up. ( ),T,F,F,Read the text in a low voice a

5、nd then choose the right main idea of the text (注：自己快速默讀，在文中劃出答案),A. Smoking is not harmful. B. We should encourage our family members to stop smoking. C. Stay away from cigarettes and you can live a long, healthy and happy life. D. Eat more fruits and vegetables, do more exercise, and form good hab

6、its.,The main idea of the text is_,C,While-reading,Scan and match: (跳讀連一連)（注：自己快速閱讀，然后連線）,Why is smoking harmful?,What should we do?,Smoking is bad for your health .,It can cause diseases of the heart and lungs .,Youre also harming the people around you with your second-hand smoke.,Smoking pollutes

7、the environment.,Never touch cigarettes.,Encourage them to stop smoking .,Eat more fruits and vegetables.,Read the text aloud carefully and then complete the information chart in groups.,health,diseases,pollutes,harmful,touch,topic,Encourage,vegetables,exercise,habits,second-hand smoke,Eating too mu

8、ch,be harmful to 對有害,Use the useful phrases to make a sentence.,Post-reading,get into the habit of 養成的習慣,Washing our hands before the meal,Reading books,stay away from 遠離,Cigarettes,Internet bars,Learn to be a reporter in groups.（兩個人一組編對話：一個扮演小記者 一個是中學生） A: Excuse me . May I ask you a question? B: O

9、K. A: Why is smoking harmful? B: Because Smoking is bad for your health /Smoking pollutes the environment/ It can cause diseases of the heart and lungs/ / Secondhand smoke is harmful to people who dont smoke.,A：What should we do？ B：Never touch cigarettes./ When somebody talks about smoking change th

10、e topic./ Encourage your family members to stop smoking. / Eat more fruits and vegetables, do more exercise, and form good habits.,Are you familiar with these sentences? They are from the books we have learned.,1. We should go to the hospital. 2. Whenever someone offers you a cigarette, you should a

11、lways say no. 3. but you should try explaining how important it is for their health.,Modal Verbshould 情態動詞 should,Grammar,Should 的用法：,1.用于第一人稱疑問句，表征詢意見。如： ShouldIopenthewindow?我可以開窗戶嗎？ 2.should表義務，可用于各種句式，通常指將來。如： Youshoulddowhatyourparentstellyou. 你應該照你父母的話去做事。 Heshoulddosomework,buthedoesntwantto.

12、 他應該做些工作，但是他不想做。 也可指現在。如： Youshouldntfeelsounhappyoversuchtrifles. 對這種小事，你不應該感到這么不高興。 Youshouldntbesittinginthesun. 你不應該坐在陽光下。,Should 的用法：,3.should表推測，暗含很大的可能。如： Its4:30.TheyshouldbeinNewYorkbynow. 現在是四點半，他們應該到達紐約了。 Threeweeksshouldsuffice. 三個星期應該足夠了。,Should 的用法：,4.should可在某些從句中，表虛擬語氣。如： Isuggesttha

13、tyoushouldstayhereasifnothinghadhappened. 我建議你應該待在這兒，好像什么事也沒有發生。 Shewasterrifiedlesttheyshouldgoontalkingabouther. 她感到害怕，唯恐他們再說她的事。 Ifheshoulddropin,givehimmymessage. 他若來訪，就將我的消息給他。,Should 的用法：,5.should表感情色彩，常用在以why,how開頭的疑問句中。如： Whyshouldntyouinvitehim? 為什么你不邀請他？ Idontseewhyweshouldntmakefriends. 我不明白為什么我們竟不能成為朋友。 HowshouldIknow?我怎么知道？,Posters,Make a poster that shows why smoking is bad for people.,No smoking ! Smoking is bad for your lungs and heart. Smoking is bad for your health. Smoking can hurt other people. It can ca