Unit 3 Food Matters 教案 外研版（2024）七年级下册

外研版英语2024七年级（下册）Unit 3 - Food Matters 教案讲义
1. 教学目标
1.1 知识目标
掌握与食物、饮食习惯和健康饮食相关的核心词汇：nutrition, healthy, junk food, energy, diet, balanced。
学习描述食物种类、饮食偏好及其对健康影响的短语和句型。
1.2 能力目标
能够用英语谈论自己的饮食习惯以及健康饮食的重要性。
能够表达自己对不同食物的看法，并提出饮食建议。
1.3 情感目标
引导学生关注饮食健康，培养科学饮食的观念。
鼓励学生尊重不同文化的饮食习惯和传统。
2. 教学重点与难点
2.1 教学重点
学习描述食物种类和饮食习惯的核心词汇及短语。
掌握描述健康饮食和提出建议的句型。
2.2 教学难点
理解并流畅表达不同食物对健康的影响。
能够运用一般现在时和情态动词提出饮食建议。
3. 教学内容详解
3.1 核心词汇与短语
3.1.1 核心词汇
nutrition (n.) 营养
例句：Good nutrition is important for growing children.
healthy (adj.) 健康的
例句：Eating vegetables and fruits is healthy.
junk food (n.) 垃圾食品
例句：Eating too much junk food is bad for your health.
energy (n.) 能量
例句：Food gives us the energy we need to work and play.
diet (n.) 饮食
例句：A balanced diet helps you stay fit and healthy.
balanced (adj.) 均衡的
例句：It’s important to have a balanced diet every day.
3.1.2 短语表达
be good for... 对……有好处
例句：Drinking water is good for your health.
cut down on 减少
例句：You should cut down on sugar to stay healthy.
a balanced diet 均衡的饮食
例句：A balanced diet includes fruits, vegetables, and protein.
high in... 含有高量的……
例句：Fast food is often high in fat and calories.
rich in... 富含……
例句：Fish is rich in protein.
3.2 核心句型与语法
3.2.1 谈论饮食习惯的句型
I like eating... because...
例句：I like eating fruits because they are sweet and healthy.
What do you usually eat for...
例句：What do you usually eat for breakfast → I usually eat bread and eggs.
Do you think... is healthy
回答：No, I don’t think so. Junk food is not healthy.
3.2.2 提建议的句型
You should eat more/less...
例句：You should eat more vegetables and less meat.
It’s better to...
例句：It’s better to avoid eating too much fried food.
Why don’t you try...
例句：Why don’t you try eating more fruits
3.2.3 使用情态动词的句型
We need to...
例句：We need to drink enough water every day.
You mustn’t...
例句：You mustn’t eat too much junk food.
4. 课文解析与情境对话
课文摘要
课文通过几名学生讨论他们的饮食习惯，分析了健康饮食的重要性：
讨论健康饮食：
A: What do you usually eat for lunch
B: I usually eat rice, vegetables, and chicken.
分析垃圾食品的影响：
A: Do you like eating burgers
B: Yes, but I try to eat less because they are not healthy.
提出建议：
A: How can I stay healthy
B: You should eat a balanced diet and drink more water.
5. 课堂练习设计
5.1 词汇与短语练习
填空题
选词填空：healthy, junk food, balanced, energy, cut down on
Eating too much ___ is bad for your health.
A ___ diet includes all the nutrients you need.
You need more ___ to do sports.
It’s important to eat ___ food every day.
You should ___ fried food to stay fit.
5.2 句型与语法练习
翻译句子
水果和蔬菜对健康有好处。
你晚餐通常吃什么？
我们应该减少糖的摄入。
快餐通常含有高量的脂肪和卡路里。
补全对话
A: ___ do you like eating for breakfast
B: I like eating bread and eggs. What about you
A: I usually eat fruits because they are ___.
6. 拓展阅读与写作
6.1 阅读短文
Healthy Eating
A healthy diet is very important. We should eat more fruits and vegetables because they are rich in vitamins and low in fat. Junk food, such as burgers and chips, is high in calories but low in nutrition. Drinking enough water and avoiding sugary drinks is also important. A balanced diet helps us stay strong and full of energy.
问题：
Why should we eat more fruits and vegetables
What’s wrong with junk food
How can a balanced diet help us
6.2 写作任务
题目：My Eating Habits
要求：用5-8句话描述你的饮食习惯，内容包括：
你喜欢和不喜欢吃的食物；
你认为哪些食物对健康有好处；
你对健康饮食的看法。
范例：
I like eating fruits and vegetables because they are healthy. I don’t like eating junk food because it is bad for my health. For breakfast, I usually eat bread and drink milk. I think a balanced diet is important. We should eat more healthy food and less fried food to stay fit.
7. 总结与学习建议
归类词汇：将食物分为健康类（healthy food）和垃圾食品（junk food），便于记忆。
模拟对话：用英语和同学讨论彼此的饮食习惯。
实际应用：记录自己一天的饮食并用英语描述，分析哪些部分需要改进。