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Unit 2 Food and Health 复习讲义
一、单元主题与词汇精讲
主题解读：本单元围绕“饮食与健康”展开，探讨健康饮食的重要性、食物营养成分及生活习惯对健康的影响，涉及营养学知识、饮食建议及疾病预防等话题。
核心词汇分类
食物类健康类行为类
vegetable (n.) 蔬菜 healthy (adj.) 健康的 balance (v./n.) 平衡
protein (n.) 蛋白质 diet (n.) 饮食 avoid (v.) 避免
vitamin (n.) 维生素 energy (n.) 能量 exercise (v./n.) 锻炼
例题1：
Q: ______ helps our body grow strong. We can get it from meat and beans.
A. Vitamin
B. Protein
C. Vegetable
解析：选B。蛋白质（protein）帮助身体强壮，肉类和豆类是主要来源。
高频短语
keep a balanced diet 保持均衡饮食
be good for health 对健康有益
plenty of 大量的
stay healthy 保持健康
junk food 垃圾食品
例题2：
Q: Eating ______ vegetables is important for our health.
A. a little
B. plenty of
C. a few
解析：选B。plenty of修饰不可数名词或复数名词（vegetables）。
二、语法专项突破
1. 可数名词与不可数名词
规则：
可数名词（有复数形式）：apple → apples, egg → eggs
不可数名词（无复数形式）：milk, bread, rice
量词搭配：a glass of milk, two pieces of bread
例题3：
Q: I need ______ to make a sandwich.
A. two breads
B. two slices of bread
C. two bread
解析：选B。bread不可数，需用量词“slices of”。
2. 情态动词should的用法
用法：提出健康建议，意为“应该”。
结构：主语 + should/shouldn’t + 动词原形
例句：
You should drink 8 glasses of water every day.
We shouldn’t eat too much fried food.
例题4：
Q: You ______ eat more fruits. They are rich in vitamins.
A. should
B. shouldn’t
C. must
解析：选A。根据后句“富含维生素”可知建议“应该吃”。
3. 祈使句（Imperative Sentences）
用法：表示建议或指令，用于健康指导。
结构：动词原形开头（否定句：Don’t + 动词原形）。
例句：
Wash your hands before meals.
Don’t stay up late.
例题5：
Q: ______ too much sugar! It’s bad for your teeth.
A. Eat
B. Don’t eat
C. Not eat
解析：选B。否定祈使句结构为“Don’t + 动词原形”。
三、句型与话题表达
1. 健康饮食建议
It’s important to eat breakfast every day.
Why not choose whole-grain bread instead of white bread
2. 描述饮食习惯
I prefer vegetables to fast food.
My mom cooks meals with less oil and salt.
例题6：
Q: —______ should I do to keep fit
—You should exercise regularly.
A. What
B. How
C. Why
解析：选A。What should I do询问具体建议。
四、题型解题技巧与例题
1. 完形填空：逻辑衔接法
技巧：
根据健康主题词汇（如balanced diet, avoid junk food）选择答案。
注意情态动词should的上下文建议。
例题7：
Q: We ______ (should/avoid) eating too much candy to protect our teeth.
A. should
B. avoid
C. shouldn’t
解析：选B。avoid doing sth.表示“避免做某事”。
2. 阅读理解：因果推理题
技巧：
定位表示因果关系的词（because, so, as a result）。
分析饮食行为与健康结果的关联。
例题8（根据短文）：
Q: Why is eating breakfast important
A. It provides energy for the day.
B. It makes us feel sleepy.
C. It helps us eat more snacks.
解析：定位原文“Breakfast gives us energy to start the day.”，选A。
3. 书面表达：健康饮食倡议书
题目：How to Keep a Healthy Diet
模板：
开头：A healthy diet is important for everyone. Here are some tips.
主体：First, eat... Second, avoid... Finally, remember to...
结尾：Let’s make healthy choices every day!
范文片段：
A healthy diet is important for everyone. Here are some tips. First, eat plenty of fruits and vegetables. Second, avoid junk food like chips and soda. Finally, remember to drink enough water. Let’s make healthy choices every day!
五、单元综合检测（含解析）
Part 1 单项选择
______ is necessary for strong bones. We can get it from milk.
A. Protein
B. Calcium
C. Vitamin C
解析：选B。钙（calcium）有助于骨骼健康，牛奶是主要来源。
Part 2 完成句子
You ______ (不应该) drink too much cola.
答案：shouldn’t
六、易错题专项训练
例题9：
Q: 改错：She should eats more vegetables.
答案：eats → eat
解析：情态动词should后接动词原形。
例题10：
Q: ______ (Wash) your hands before meals!
答案：Wash
解析：肯定祈使句以动词原形开头。
附：核心知识点思维导图
Unit 2 Food and Health
├─ 词汇
│ ├─ 食物类：vegetable, protein, vitamin
│ ├─ 健康类：healthy, diet, energy
│ └─ 行为类：balance, avoid, exercise
├─ 语法
│ ├─ 可数/不可数名词（量词搭配）
│ ├─ 情态动词should表建议
│ └─ 祈使句（健康指令）
└─ 题型技巧
├─ 完形填空（逻辑衔接）
├─ 阅读理解（因果推理）
└─ 书面表达（倡议书模板）
闯关训练
一、完形填空
阅读下面语篇，从各小题所给的A、B、C三个选项中，选出最佳选项。
Chinese people have many healthy lifestyles. Drinking hot water is one of them. I am a Chinese student, I have three foreign (外国的) friends and we like going out for 1 . We all know that in China, the waiter usually gives us hot water to drink, but my foreign friends don’t know it. So, one day, when we were 2 the food, a waiter gave four cups of hot water to us. One of my 3 started to wash his hands. Then he asked, “Why don't you use this small bottle of water to wash hands ” I said, “You know, Chinese people 4 drink hot water! ”
For Chinese people, drinking more hot water can make us 5 and strong. When we are ill, doctors 6 us to drink hot water. Our parents tell us not to eat too much ice cream. They think cold food is not good 7 our bodies. But in foreign countries, some people may not have the 8 of drinking hot water. Therefore, they find it interesting that many Chinese like 9 a cup with hot water in it. Next time when you go to a friend's home in America, don’t be surprised if he or she gives you a cup of 10 water. Foreigners wonder why Chinese people drink hot water as Chinese are wondering why foreign people drink cold water.
1．A．activity B．dinner C．trip
2．A．paying for B．waiting for C．looking for
3．A．friends B．waiters C．doctors
4．A．never B．seldom C．usually
5．A．clever B．happy C．healthy
6．A．ask B．hope C．choose
7．A．at B．for C．with
8．A．dream B．chance C．habit
9．A．taking B．buying C．picking
10．A．hot B．warm C．cold
二、单项选择
11．Nobody thought it was easy to finish so much work in ________.
A．two days’ time B．two-days time
C．two day’s time D．two days time
12．______ clever the boy is!
A．How B．What C．What a
13．—____________do you go to the cinema
—Once a month.
A．How long B．How far C．How often D．How much
14．—The news reported that the rainstorm was in the area last night.
—Yes. ______ bad weather it was!
A．What a B．How a C．What D．How
15． We have to finish the work now, _____
A．don’t we B．haven’t we C．have we D．do we
16． Nancy, sweep the classroom, _______
A．don’t you B．do you
C．will you D．doesn’t she
17．—______ is it from the village to your farm？
— About 10 minutes’ walk.
A．How often B．How soon C．How long D．How far
18．____ great picture! Who painted it
A．How B．What C．How a D．What a
19．Do you want to be healthy ________. Smiling can help you stay healthy.
A．Smile B．Smiling
C．To smile D．Smiled
20．—He didn’t go to the concert yesterday, did he
—______. He was busy studying for the tests all day.
A．No, he didn’t
B．Yes, he did
C．No, he did
D．Yes, he didn’t
三、阅读理解
Water is like a magic (神奇的) thing for your body. The more you drink, the better you feel! Here are some important facts about water.
21
Horie Water is like a super helper for our body. It keeps us going, just like how your favorite toy gives you energy (精力，活力) to play all day.
22
You don’t need to count glasses, just remember to drink when you’re thirsty (渴的). It’s like when you’re playing and feel hungry, you eat. The same thing, drink water when you’re dry inside your body. Your body has secret ways to say it needs water. If your mouth feels dry, you’re tired, or your pee (小便) is dark yellow, it’s time for a water break. Listen to your body, it knows best. 23
Sugary (含糖的) drinks might taste yummy, but they’re like candy for your tummy and not so great for your health. Water is like the superhero that keeps you strong and healthy without any added sugar. 24
Add (添加) a slice of fruit, like orange or strawberry, to your water. It’s like giving your water a fruity hug, making it tasty and exciting to drink. What’s more, it’s a cool science experiment in your cup! 25
Make drinking water a game! Carry a cool water bottle (瓶子) with you everywhere and try to finish it by the end of the day. Set little reminders or make it a fun challenge with friends. Staying hydrated can be a super fun adventure!
A．How to make water delicious
B．Why is water our best friend
C．How to drink water every day and everywhere
D．When do we need to drink water
E．Water or sugary drinks, which one is better
F．Who can drink more water
Billy Knight: I love eating. I always have a big breakfast. I have eggs, sausages (香肠) and a big glass of milk. I always eat sweets during the day. I usually eat hamburgers and chips for lunch. I don’t like vegetables. In the evening, I always have dinner at home. My mother cooks dinner. She often cooks meat and potatoes. I often drink a glass of orange juice before going to bed.
Olivia Smith: For breakfast, I drink milk and eat two pieces of bread. I have lunch in the canteen. I’m so lucky because the canteen always provides me with a lot of healthy and delicious food and drinks. I always have dinner with my parents. We often have light meals.
Julia and Brenda: We are twins. We love sweet candies, but our parents don’t allow us to eat them. They often say the candies are bad for our teeth. They want us to have healthy eating habits. We never eat junk food. We eat fruit, vegetables, fish and beef. We often drink juice, milk, water and tea. We never eat ice cream.
26．Billy doesn’t like ________.
A．hamburgers B．chips C．vegetables D．milk
27．What does the underlined word “canteen” mean in Chinese
A．食堂 B．快餐店 C．后厨 D．摊位
28．Julia and Brenda don’t drink ________.
A．juice B．milk C．water D．cola
试卷第1页，共3页
试卷第1页，共3页
参考答案
题号 1 2 3 4 5 6 7 8 9 10
答案 B B A C C A B C A C
题号 11 12 13 14 15 16 17 18 19 20
答案 A A C C A C D D A A
题号 21 22 23 24 25 26 27 28
答案 B D E A C C A D

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