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八下英语 Unit 2 Stay Healthy Section B 导学案
课型： 阅读课 | 主备： _________ | 班级： _________ | 姓名： _________
学习目标（Learning Goals）
1. 词汇达人：掌握核心词汇 balanced diet, energy, soft drink, avoid, plenty of。
2. 阅读策略：学会利用上下文语境猜词；学会跳读（Skimming）找主旨。
3. 生活应用：能分析自己的饮食习惯，并制定一份健康的饮食计划。
学习重难点（Key Points）
重点：理解并运用 “It's + adj. + to do sth.” 句型。
难点：区分 too much (修饰不可数名词) 与 too many (修饰可数名词)；enough 的用法。
课前预习（Self-study）
Task 1: 核心词汇自测
1. 软饮料（不含酒精）_________ 2. 均衡饮食 _________
2. 能量 _________ 4. 避免 _________
3. plenty of _________ 6. in fact _________
Task 2: 思维激活
看教材2a图片，判断正误（T/F）：
( ) Eating too much candy is good for our teeth.
( ) We should eat plenty of vegetables.
课中探究（Classroom Exploration）
Step 1: 读前热身 (Before Reading - 2a/2b)
讨论：What food do you eat every day (List 3 foods)
1. _________ 2. _________ 3. _________
预测：Read the title "Eat Well, Stay Healthy". What does the passage talk about
A. How to cook. B. Healthy eating habits. C. How to exercise.
Step 2: 速读寻宝 (While Reading - Fast Reading)
微技能：找主题句 (Topic Sentence)
快速阅读，将段落与大意连线。
Paragraph Main Idea
Para. 1 A. The harm of soft drinks and sweets.
Para. 2 B. Advice on keeping a balanced diet.
Para. 3 C. The importance of breakfast.
Para. 4 D. Eating three meals a day.
Step 3: 细读深究 (While Reading - Careful Reading)
微技能：细节捕捉
阅读第二段，完成表格。
Food Group Examples Function (作用)
Grains Rice, noodles Give us energy.
Fruit/Vegetables Apples, carrots Give us vitamins.
Protein Fish, eggs, meat Help us grow.
长难句剖析
1. It is important to eat a balanced diet.
结构： It 是形式主语，真正的主语是后面的 _________ (动词不定式/动名词)。
翻译： ___________________________
2. Eating too much sugar can cause tooth problems.
点拨： too much 后接 不可数 名词；too many 后接 可数 名词复数。
Step 4: 读后重构 (Post Reading - 2c/2d/2e)
活动：我是营养师
你的朋友Tom总是感到累，且爱吃薯片、喝可乐。请结合课文给他3条建议。
1. You should eat a _________ diet. (balanced / same)
2. You shouldn't drink too many _________ (soft drinks / fruits).
3. It is necessary to eat _________ (breakfast / dinner) every day.
当堂检测（Class Test）
(满分：10分)
Ⅰ. 用所给词的适当形式填空。(5分)
1. We need _________ (plenty) of sleep every night.
2. Running gives me a lot of _________ (energetic).
3. You should avoid _________ (eat) too much junk food.
4. It is important _________ (drink) enough water.
5. There are too _________ (many) people in the room.
Ⅱ. 单项选择。(5分)
1. It's necessary _________ breakfast every morning.
A. eat B. eats C. to eat D. eating
2. There is _________ water in the bottle. It's almost empty.
A. few B. little C. a few D. a little
3. We should eat _________ fruit, but _________ candy.
A. too much; too many B. plenty of; too much
C. too many; too much D. plenty of; too many
4. — How can I keep healthy
— You should stop eating junk food _________ getting fat.
A. from B. for C. to D. of
5. He didn't have _________ money to buy the book.
A. many B. enough C. quite D. lot
课后作业（Homework）
1. 必做题：背诵短语（a balanced diet, soft drink, plenty of, stop...from...）。
2. 选做题：调查家人的饮食习惯，用英语写一份 "Family Health Report"（60词左右）。
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参考答案与解析（Teacher's Edition）
课前预习
1. soft drink 2. balanced diet 3. energy 4. avoid 5. 大量 6. 事实上
2. F (糖果对牙齿有害) 8. T
课中探究
Step 2 速读
Para. 1 -> B
Para. 2 -> A
Para. 3 -> C
Para. 4 -> D
Step 3 细读
Energy; Vitamins; Grow
长难句剖析
1. 动词不定式 (to eat...)；翻译：保持饮食均衡是很重要的。
2. 不可数
Step 4 读后重构
1. balanced
2. soft drinks
3. breakfast
当堂检测
Ⅰ. 词汇
1. plenty (plenty of)
2. energy (give me energy 给我能量)
3. eating (avoid doing sth.)
4. to drink (It's + adj. + to do)
5. many (people 是可数名词)
Ⅱ. 单选
1. C (It's + adj. + to do sth.)
2. B (little 表否定，修饰不可数名词 water)
3. D (plenty of 修饰可数/不可数均可；candy 此处作可数名词，用 too many)
4. A (stop ... from doing 阻止...做...)
5. B (enough 修饰名词放在名词前)

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