在旅行中我们被导游领错了路．
Expression
1. be bad for 对…有坏处
2. source of energy 能量来源
3. go to extremes 走极端
4. a variety of 多种多样的
5. a balanced diet 平衡的饮食
6. lack of certain kinds of food 缺乏某种事物
7. heart attack 心脏病突发
8. need for sth. 对…的需求
9. decide on 对…做出决定
10. tell sth. from sth. 分辨
Difficult sentences
1．We also hear similar conflicting arguments about meat between vegetarians and meat-eater.
我们亦听到素食者和食肉者之间有关肉的类似的持不同观点的争论。
2．Are you easily influenced by one piece of advice today and then by another one tomorrow? 你是否容易今天被这条建议影响而明天又听信另一条？
3．Scientists have also told us that having too much of anything, including one’s favorite food, is equally dangerous.
科学家还告诉我们吃过量的东西，包括一个人最喜爱的食物，同样是危险的。
逗号内为插入语。
课件：chapter 6-4 ppt
[链接3]
说明：
这是有关均衡饮食的课文内容的拓展部分，教师可以设计多种教学活动来帮助学生整理知识点，这部分的内容可以是课本后的C Further thinking. 也可以是让学生表演他的个人饮食习惯 (performance) 。或通过对素食者的态度调查后，进行“支持和反对素食者”的辩论 (survey and debate) 。可以让同学上网查阅资料来介绍其它有益健康的食物 (surf)。也可让学生通过研究性学习写一篇如何保持身体健康，关注生命，热爱生活的作文(research work and composition)。本部分内容在处理的时候，要注意将教材为我所用，用活，用透。加以灵活改造，在课堂教学中强调在综合运用的基础上，提升学生综合运用语言功能的能力，并学会知识的迁移。
Task One
Further thinking (topic discussion)
Task Two
Presentation
Introduce one of your eating habits and illustrate its merits and demerits.
Task Three
Survey and debate
Debate
www.yf1234.com What do you think of vegetarianism ?
Divide the whole class into two different parts. One is in favor of vegetarianism, the other is against the point. The students should collect all the possible evidence in their own group, preparing for the debate.
In favor of against
Supporting ideas 1
2
3.
Conclusion
Task Four
Surf on the Internet to find many more foods which do good to the people’s health.
e.g.
有益健康的食物
Eating chocolates promotes good health - doctors (20xx/09/05)
Good news for chocoholics. The treat favored by millions not only tastes delicious but is healthy for you, American researchers said on Monday. Chocolate contains compounds called falconoid that can help maintain a healthy heart and good circulation and reduce blood clotting. The researchers found not only an increase in antioxidant capacity after chocolate consumption, but also modulation of certain compounds which affect blood vessels
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高一英语Food for thought教案3