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Unit 7 Ways to be healthy单元复习清单及对应练习
一、重点短语
（一）健康生活方式相关
(1) keep healthy/fit 保持健康
(2) have a good eating habit 有一个好的饮食习惯
(3) eat fruit and vegetables 吃水果和蔬菜
(4) drink enough water 喝足够的水
(5) get enough sleep 获得足够的睡眠
(6) do exercise 做运动
(7) go for a walk 去散步
(8) take a walk 散步
(9) play sports 进行体育运动
(10) be good for 对……有好处
(11) be bad for 对……有害处
（二）疾病与健康问题相关
(1) have a cold 感冒
(2) have a fever 发烧
(3) have a headache 头疼
(4) have a stomachache 胃疼
(5) have a toothache 牙疼
(6) feel sick 感觉不舒服
(7) see a doctor 看医生
(8) take medicine 吃药
（三）其他相关
(1) stay away from 远离
(2) too much 太多（修饰不可数名词）
(3) too many 太多（修饰可数名词复数）
(4) instead of 代替；而不是
(5) in one's free time 在某人的空闲时间
(6) all day long 一整天
二、重点句型
(1) It's important to have a healthy lifestyle.（拥有健康的生活方式很重要。）
(2) We should eat more fruit and vegetables to keep healthy.（我们应该多吃水果和蔬菜来保持健康。）
(3) You'd better drink enough water every day.（你最好每天喝足够的水。）
(4) If you have a cold, you should see a doctor.（如果你感冒了，你应该去看医生。）
(5) I feel sick. What should I do （我感觉不舒服。我该怎么办？）
(6) Doing exercise is good for our health.（做运动对我们的健康有好处。）
(7) Staying up late is bad for your body.（熬夜对你的身体有害。）
三、语言点详解
（一）It作形式主语
(1) It + be + 形容词 + (for sb) + to do sth：It作形式主语，真正的主语是后面的不定式短语“to do sth”。例如：It's difficult for me to get up early.（对我来说早起很难。）
（二）should的用法
(1) should为情态动词，意为“应该”，后接动词原形。其否定形式为shouldn't，意为“不应该”。例如：We should study hard.（我们应该努力学习。）You shouldn't eat too much junk food.（你不应该吃太多垃圾食品。）
（三）had better的用法
(1) had better意为“最好”，后接动词原形，其否定形式为had better not。例如：You had better go home now.（你现在最好回家。）We had better not play games too long.（我们最好不要玩太长时间游戏。）
（四）动名词作主语
(1) 动名词（动词 -ing形式）可以作主语，谓语动词用单数形式。例如：Reading books is interesting.（读书很有趣。）Swimming is a good sport.（游泳是一项很好的运动。）
（五）too much、too many和much too的区别
(1) too much：意为“太多”，修饰不可数名词。例如：There is too much water in the glass.（杯子里有太多水。）
(2) too many：意为“太多”，修饰可数名词复数。例如：There are too many people in the park.（公园里有太多人。）
(3) much too：意为“太”，修饰形容词或副词。例如：It's much too hot today.（今天太热了。）
（六）instead和instead of的用法
(1) instead：副词，意为“代替；反而”，通常位于句末。例如：He didn't go to school. Instead, he stayed at home.（他没去上学。相反，他待在家里。）
(2) instead of：介词短语，意为“代替；而不是”，后接名词、代词或动名词。例如：I will go shopping instead of watching TV.（我将去购物而不是看电视。）
四、语法聚焦
（一）情态动词should
(1) should表示建议、劝告、责任等，没有人称和数的变化，后接动词原形。在一般疑问句中，将should提到主语前；在否定句中，在should后加not。例如：Should we clean the classroom （我们应该打扫教室吗？）We shouldn't waste water.（我们不应该浪费水。）
（二）动名词
(1) 动名词由动词原形加 -ing构成，它既有动词的特征，又有名词的特征。动名词在句中可以作主语、宾语、表语等。例如：
(2) 作主语：Running is good for your heart.（跑步对你的心脏有好处。）
(3) 作宾语：I like reading books.（我喜欢读书。）
(4) 作表语：My hobby is collecting stamps.（我的爱好是集邮。）
五、练习题
（一）单项选择
1. It's necessary ______ us ______ learn English well.
A. for; to B. of; to C. for; / D. of; /
2. You ______ eat too much junk food. It's bad for your health.
A. should B. shouldn't C. need D. needn't
3. ______ is a good way to relax.
A. Swim B. Swimming C. To swimming D. Swims
4. There is ______ milk in the bottle. You can drink it.
A. too much B. too many C. much too D. many too
5. I will go to the park ______ staying at home.
A. instead B. instead of C. because D. because of
（二）用所给词的适当形式填空
1. We should ______ (do) exercise every day.
2. It's important ______ (keep) healthy.
3. He likes ______ (play) football after school.
4. You'd better ______ (not watch) TV too long.
5. ______ (drink) enough water is good for us.
（三）根据汉语提示完成句子
1. 我们应该养成好的饮食习惯。
We should ______ a good ______ ______.
2. 吃太多肉对你不好。
Eating ______ ______ meat is ______ ______ you.
3. 你最好每天睡八小时。
You'd ______ ______ eight hours every day.
4. 他感冒了，应该去看医生。
He ______ ______ ______ and should ______ ______ ______.
5. 运动能帮助我们保持健康。
Doing exercise can help us ______ ______.
（四）句型转换
1. We should eat more vegetables.（改为一般疑问句）
______ we ______ more vegetables
2. It's good to drink milk every day.（改为同义句）
______ milk every day is good.
3. You should go to bed early.（改为否定句）
You ______ ______ to bed early.
4. He often plays computer games.（用instead of改写句子）
He often reads books ______ ______ ______ computer games.
（五）补全对话
A: Hi, Lucy. 1. ______
B: I usually go for a walk in my free time.
A: 2. ______
B: Because it can help me keep healthy. What about you
A: 3. ______
B: That's great. Do you often play basketball
A: 4. ______ I play it three times a week.
B: 5. ______
A: I play it with my classmates.
（一）单项选择
1. A
2. B
3. B
4. A
5. B
（二）用所给词的适当形式填空
1. do
2. to keep
3. playing
4. not watch
5. Drinking
（三）根据汉语提示完成句子
1. have; eating habit
2. too much; bad for
3. better sleep
4. has a cold; see a doctor
5. keep healthy
（四）句型转换
1. Should; eat
2. Drinking
3. shouldn't go
4. instead of playing
（五）补全对话
1. What do you usually do in your free time
2. Why do you like going for a walk
3. I usually play basketball.
4. Yes, I do.
5. Who do you play it with

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