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Unit 1 Lesson 4
教学目标
1.能正确理解运用 correct. method.force. be sure. fill…with .cover..with.turn...upside down 等单词及短语的用法。
2.了解词汇及短语:experiment, jar, upside, pour, scientific, raincoat, pressure, conclude
教学重点
重点为(correct， method，force) 及 短 语(be sure,fill..with ,cover...with , turn...upside down).
教学难点
学习运用定语从句
教学过程
一、导入
Lead in
Talk about the questions
Do you know how to keep healthy
eat healthy foods　
do exercises
sleep enough　
no smoking
Do you know when World No Tobacco Day is
Do people in your family smoke If so, what do you advise them to do
二、新课讲解
Pre-reading
smoke v. 吸烟 n.烟
Smoking is bad for your health.→Smoking is harmful to our health.
be bad for = be harmful to对……有害
harmful adj. 有害的
harm v./n. 损害，伤害
Smoking makes people not breathe fresh air. And it can cause diseases of the heart and lungs.
breathe v. 呼吸 diseases n. 疾病 lungs n. 肺
In many countries, smoking in public places is now against the law.
public adj. 公共的 law n. 法律
Whenever someone offers you a cigarette， you should always say no.
Don’t take that risk.
Whenever someone conj. 无论何时 pron. 有人，某人
cigarette n. 香烟 take that risk冒险
Every year, millions of people around the world die as a result of smoking.
millions of 数以百万计的
as a result of由于，作为……的结果
get into the habit of养成……习惯
stay away from远离
三、课文呈现
Smoking is a bad habit. As a student, you should never smoke.
Why is smoking harmful
Smoking is bad for your health. It can cause diseases of the heart and lungs. Every year, millions of people around the world die as a result of smoking. That's terrible!
If you smoke, you harm yourself, but you're also harming the people around you with your second hand smoke.
Smoking pollutes the environment, too. Everyone wants to live in a clean environment and breathe fresh air. In many countries, smoking in public places is now against the law.
What should we do
Never touch cigarettes. Whenever someone offers you a cigarette, you should always say no. Don't take that risk.
When somebody talks about smoking, change the topic.
If your family members smoke, encourage them to stop smoking. It will be hard for them, but you should try explaining how important it is for their health.
Eat more fruits and vegetables, do more exercise, and form good habits.
Once you get into the habit of smoking, it's not easy to give it up. Stay away from cigarettes and you can live a long, healthy and happy life.
No smoking, please!
Let’s Do It!
PROJECT POSTERS AGAINST SMOKING
Many people smoke. Smoking is a bad habit! It causes cancer and heart disease. In 1988, the World Health Organization (WHO) decided to celebrate World No Tobacco Day (WNTD) on May 31 of each year to draw global attention to the negative effects of tobacco.
Let's help people stay healthy! In a small group, make a poster that shows why smoking is bad.
Present your posters to the class. Put them up on the bulletin board in your school!
四、摘要
Words:
smoke, risk
Phrases:
be harmful to ,as a result of
Sentences:
1) In many countries, smoking in public places is now against the law.
2) Never touch cigarettes.
3) If your family members smoke, encourage them to stop smoking.
4) Once you get into the habit of smoking, it’s not easy to give it up.
五、作业
1. Make a poster
2.Preview Unit 1-Lesson 5.

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