高中英语Unit 13 Healthy eating--Period 2旧人教版第一册下

Unit 13 Healthy eating
Period 2
一、聚焦重点、难点
（一）重点
A.词汇用法
energy bar diet keep up with pace make a choice chemical balance fit function
B.句型结构
The same goes for “crash diets”that some companies say will make us lose weight fast.
The best way to do……..is………
Only in that way will we……..
C.难点
Only in that way will we……../ go for…….
二、剖析重点词汇、词组、句型
1.Choosing what to eat is no longer as easy as it once was.选择吃什么不像以前那么简单了。

no longer=not…….any longer不再，强调时间上的延续：
She could no longer go to school.她不能再上学了。

I found that he was no longer working there.我发现他不再在那儿上班了。

I can’t wait any longer.我不能再等了。

no more=not……any more强调次数或程度
He still smoked, but drank no more.他仍然抽烟，但不再喝酒了。

We saw him no more.我们不再看到他了。

You must not think about it any more.你不要再想这件事了。

2.Our eating habits have changed, as has our way of life.
as has our way of life中as为“就像”，相当于and our way of life has changed, too.
3.traditional diets传统饮食
diet某类饮食
This is a diet high in protein, low in carbohydrates.这是一种蛋白质含量高而碳水化合物含量低的饮食。

A balanced diet is necessary for good health.平衡饮食对健康的身体很有必要。

Proper diet and exercise are both important for health.合理饮食和运动对于身体健康很重要。

The Irish used to live on a diet of potatoes.爱尔兰人以前以吃土豆这种饮食为生。

The doctor ordered him a diet without sugar.医生要他不吃含糖的饮食。

He put me on a vegetable diet.他要吃蔬菜类。

be / go on diet节食
She is on diet because she wants to lose weight.她在节食因为她要减肥。

4.bar
n.(1)条，杆，棒
a bar of soap / chocolate一块肥皂/巧克力
double bars双杠
high-and-low bars高低杠
(2)妨碍，障碍物
Poor health may be a bar to success in life.身体不好阻碍他成功。

Poverty is not always a bar to happiness.贫穷并不总是幸福的障碍物。

(1)酒吧，（饮食）柜台
He opened a snack bar.他开了一个饮食店。

Vt.上闩
He barred all the windows and doors of his house.他把所有的门窗上了闩。

把…….关在屋里/外
He barred himself in.他把自己关在屋内。

She barred him out of her room.她把他关在她的房间外。

挡住（去路）
A high wall bars the way into the garden.一垛高高的墙挡住了去花园的路。

5.keep up with the high pace of modern life跟上现代生活的快节奏
(1)keep up with跟上，不落在……后面
She had to run to keep up with him.她得跑步才能跟上她。

We must keep up with the times.我们必须跟上时代的步伐。

了解（最新的发展等）
Do you find it hard to keep up with medical developments?你发现了解最新的医学上的发展很难吗？
The international situation changes so quickly nowadays that you can not keep up with it.
当今国际形势变化如此快以致于你了解不了最新情况。

Julie is one of those women who always keep up with the latest fashions. 朱莉是属于那些紧跟时尚的妇女。

维持联系
Do you still keep up with your old workmates?
你跟你的老同事还保持联系吗？
(2)pace n.
步子(CN)
Take one pace ( step) forward.往前一步。

If you advance one pace, I’ll shoot you.如果你再往前一步，我就毙了你。

速度,进度
I can’t walk at that pace.我不能以那个速度走。

The work progressed at a slow pace.这工作进展很慢。

I can’t keep up with the high pace of city life.我跟不上城市生活的快节奏。

keep pace with跟上
You’re walking much too fast for me. I can’t keep pace with you.
你走得太快了我跟不上你。

1.make a choice作出选择
We each had to make a choice.我们每人得作出选择。

choice n.
选择
It was a wise choice.这是个明智的选择。

Did she regret the choice she had made?她后悔作出的选择吗？
Be careful in your choice.谨慎作出选择。

He left his job of his own choice.他自愿离开他的工作。

(供)选择的人或东西
Our only choice was to go.我们的选择就是走。

This shop has a large choice of hats.这个店里有很多帽子可选择。

have no choice but to do……..没办法只好
I had no choice but to leave my job.我没办法只好离开我的工作。

There was no choice but to wait.没有办法只好等。

adj.精选的,高级的(食品)
The shop was selling choice apples.这个商店里卖精选苹果。

2.Stores offer all kinds of food.商店供应各种食物
offer
Vt.(1)拿……..出售,出(价)
offer sth. for money以多少钱出售某物; offer money for sth.出价多少买某物
The next morning we offered our boat for sale for 6 dollars.第二上午我们以6美元出售了我们的船。

I offered the house for $ 5000.我以5000美元出售了那房子。

(2)主动提出(要做)offer to do
He offered to lend me some books.他主动提出借给我一些书。

He offered to drive us to the airport.他主动提出开车送我们去机场。

(3)(主动)拿给,给予(同give)
He offered me a sandwich, but I refused politely.他主动给我一块三明治，但我拒绝了。

I was offered a job in his company.有人提供我在他公司上班。

May I offer you a cigar?可以给你抽支雪夹吗？
(4)提出,表示
He offered a suggestion.他提出了一个建议。

Have you any comments to offer?有没有意见要提的？
She had no excuses to offer.她提不出借口。

n. 表示(愿做某事或给予某物)(后接of / to do)/提出价格
Thank you for your kind offer of help / your offer to help me.
谢谢你提供的帮助。

I’ve had an offer of $ 8888 for that house.
他们开价8888美元要摸买这房子。

3.Some nutrients help build our body and make it stronger.有些营养品有
助于增强体质,使身体强壮.
help (to) do有助于……
Taking exercise every day helps to keep healthy.每天锻炼有助于身体健康。

Reading more helps to enlarge your vocabulary.多多阅读有助于增加词汇。

build (up) one’s body / health/ strength增强体质/体力
Exercise builds up the muscles.锻炼能增强肌肉。

Good food builds up the body.好的食物能增强体质。

He went on an ocean voyage and soon built up his health.他去海上旅行增强了体质。

4.keep our body functioning well使身体功能运转很好
keep…….doing使…….一直处于某状态
Don’t keep him standing in the rain all the time.别让他老站在雨里。

function
(1)n.作用,功能,职责
Her function was to help others.她的职责就是帮助别人。

What’s the true function of education?教育的作用是什么？
(2)Vi.起……..作用(与as连用)
Mary functioned as teacher.玛丽起了老师的作用。

This arm chair also functions as a day bed.这张扶手椅白天充当床。

运转,活动
The machine doesn’t function.这机器坏了。

My car isn’t functioning properly. 我的车不灵了。

5.energy n.
精力，动力，力气（UN）
The child is full of energy.这小孩精力充沛。

She is working with extraordinary energy.她干劲十足。

He is a man of great energy.他是个精力很充沛的人。

It took a lot of energy to move the furniture.搬这些家具花了很多力气。

能量（UN）
That scientist is working on atomic energy.这科学家在研究原子能。

The new power plant supplies energy for the entire city.这新的发电厂为全城提供能量。

adj. energetic富有活力的，精力充沛的
He is an energetic boy.他是个精力充沛的孩子。

I don’t feel energetic enough to rush about.我觉得精力不足于到处奔。

The old lady has an energetic mind.这老太太思想很活跃。

adv. energetically
6.Many people today make choices about their eating habits based on what
they believe.很多人根据他们的观念选择他们的饮食习惯。

base……on把……建立在……基础上
She always bases her opinion on the facts.她总是在事实基础上发表观点。

All action is based on judgement.所有的行为是建立在判断的基础上。

The book is based on a true story.这故事是建立在一个真实故事的基础上。

base n.基础，底座
It measures 400 square metres at the base.底部有400平方米。

They established their first revolutionary base there.他们在哪儿建了第一个革命根据地。

7.Eating habits become part of who we are.饮食习惯成了我们观念的一部分。

part of……的一部分
part of前面加a或不加a都可以，只是含义略有不同，part of sth.是“某物的一部分”，这个部分可大可小，可能超过一半或不到一半或仅占一份。

a part of sth.则是“某物的一小部分”。

a great part of和great part of含义完全相同，意为“一大部分”，但不一定达百分之五十以上。

如果达到半数以上，最好用the greater part of.
The Arctic is considered to be a part of the Atlantic.人们认为北冰洋是大西洋的一部分。

We are all part of one big family.我们都是大家庭的一员。

He spends (a) great part of his spare time studying law.他花了一大部分业余时间学法律。

The greater part of the surface of the earth is covered by water.地球表面的大部分被水覆盖。

8.chemical
(1)adj.化学的，用化学方法得到的
chemical change / chemical experiment / chemical factory化学变化/化学实验/化工厂
(2)化学制品，化学药品
There are some chemicals in it.里面有一些化学药品。

chemistry化学（科目）
a chemistry teacher / lesson / la
b / book化学老师/化学课/化学实验室/化学书
chemist化学家，药剂师
go to the chemist’s (shop)去药店
9.harmful有害的
be harmful to对某物/人有害的
Is an ant a good or harmful insect?蚂蚁是益虫还是害虫。

Is this harmful to animals?这对动物有害吗？
Smoking is harmful to your health.吸烟对身体有害。

harm n.危害，害处（UN）
I see no harm in what I did.我这样做我觉得没害处。

I’m sorry, I meant no harm to you.对不起，我没有伤害你的意思。

do sb. harm / do harm to sb.对……..有害
It won’t do him any harm to help others.帮助别人对他没害处。

Vt.损害，对…….有害处
I’ve never harmed anybody.我从来没伤害过谁。

harmless无害的
10.choose from / among从……..中挑选 choose between从两者中挑选choose sth.挑选某物
We have many recorders for you to choose among. Which one do you prefer? 我们这里有很多录音机可供你从中选择，你想要买哪个？
He had to choose between death and honour. 他得性命和荣誉中作出选择。

-------Have you chosen the player?
-------No, we have few to choose from.
你选好选手了吗？还没，没有几个可以从中选择的。

11.keep a balanced diet保持饮食的平衡
balanced为过去分词用作形容词“平衡的”。

balance
n. 平衡（UN）
He lost his balance and fell from the ladder.他失去平衡从梯子上摔了下来。

A small child has to learn to keep its balance before it can walk far.小孩子得学会保持平衡才能走得很远。

天平 He put it on the balance and weighed it.他把它放在天平上称一下。

Vt /Vi.保持平衡，使平衡
The dancer could balance on one toe.这舞蹈家能一脚趾踮地保持身体的平衡。

权衡考虑 He balanced the advantages and disadvantages.他权衡利弊。

12.include v. 包括（部分内容）
There are 12 units in this book, including a revision unit / a revision unit included.
这本书里有12个单元，包括一个复习单元。

We all went to visit the museum , including our teacher / our teacher included.
我们都去参观那博物馆了，包括老师。

Ten people dies in the accident , including the driver / the driver included. 十个人在事故中丧生，包括那司机。

include doing…….包括做……
Your job includes cleaning the room.你的工作包括打扫房间。

be included in（被）包括在里面/列在里面/收在里面
Please include me in your group.把我也列在你的组里。

He was included in the party.他北列在这组里。

That item isn’t included in the bill.这一项没列在帐单里。

I have included in your bill the cost of the cup you broke.我把你摔坏的那个杯子算在你的帐单里了。

13.in the right amounts以合适的数量
amount n.
(1)金额，一笔钱（UN）
Please pay the full amount.请付全款。

He owed me $100 but could only pay half that amount.他欠我100元但只能付我一半那么多。

(2)数量（和UN连用）
a large amount of+UN=a great deal of + UN （大量）, 作主语时谓语动词用单数。

Large amounts of + UN 作主语时，谓语动词用复数。

A large amount of money is needed to build the bridge.建这座桥需要大量的钱。

Large amounts of money were spent on the bridge.大量的钱被花在这条桥上。

Vi.达到（某数量），到…….之多（和to连用）
My income for that year amounted to $2000.我那年的收入达到2000美元。

The total cost of repairs amounted to 60 pounds.修理的全部费用达到60英镑。

14.go for…..也适用于，某人也如此
-----Tell them that they can knock off for half an hour.
-----Does that go for me, too?
告诉他们可以休息半小时。

那我是不是也可以休息半小时？
Your sister is a selfish girl------and that goes for you, too.
你妹妹是个很自私的女孩。

你也同样如此。

Listen carefully, because this goes for you all.认真听，因为这也同样适用于你们。

15.simply adv.
简单地，平易地
She answered him simply.她简单地回答了他。

Give the directions as simply as possible.尽量简单地说明一下。

简朴地，朴实地
We live very simply. We don’t have large meals or rich clothes.我们生活很俭朴。

我们不吃很丰盛的饭菜，不穿很昂贵的衣服。

She dress simply./ She is simply dressed.她穿衣很朴素。

简直（用来加强语气）
You simply ate nothing yesterday.你昨天简直什么都没吃。

It’s simply wonderful to see you!见到你真是太好了。

只是，仅仅
It is simply a question of time.那只是时间问题。

I simply wished to get first-hand information.我只是希望获得第一手资料。

I do it simply for money.我做这事只是为了钱。

adj. simple
简单的 He can speak in simple English.他能用简单的英语会话。

Here’s a simple way to make a cake.这里有一种简单的做蛋糕的方法。

朴实的，简朴的
They led a simple life.他们过着俭朴的生活。

He eats simple food and wears simple clothing.他吃简单的食物穿朴素的衣服。

Everything in the house was simple.屋里的一切都很简朴。

单纯的，纯真的
She was a simple and direct woman.她是个很纯真直率的女人。

天真的，头脑简单的，容易上当的
He’s not as simple as people think.他不像人们所想的那么简单。

16.exercise
Vt.运动
He exercises every morning.他每天早上锻炼。

I dieted and exercised, but I didn’t lose my weight.我又节食有锻炼，但没瘦掉。

You’re getting fatter and fatter. You should exercise more.你变得越来越胖了。

你该锻炼锻炼了。

Vt.训练，锻炼
He exercised his muscles every day.他每天锻炼肌肉。

n.运动（UN）
Taking exercise every day is good for your health.每天锻炼对身体有好处。

Exercise makes you strong.锻炼使你强壮。

We take physical exercise to keep ourselves fit.我们锻炼身体来保持身体健康。

操，体操，练习（CN）
She performed exercises to music.她随音乐表演体操。

She does morning exercises every day.她每天做操。

I have a lot of maths exercises to do today.我今天有很多数学练习要做。

17.The best way to do…….做某事的最好的方法
way后常用to do / of doing修饰，表示“……..的方法”
The best way of improving your spoken English is to practise speaking as much as possible.
提高口语的最佳办法就是多多练习。

Can you think of a better way to solve the problem?
你能想出解决这问题的更好的办法吗？
18.Only in that way will we be ready for the challenges and opportunities
in life.
只有这样我们才能准备好迎接生活中的挑战和抓住机会。

only加状语置句首时助动词需倒装：
We can do it well only in this way.
=Only in this way can we do it well.只有用这种方法我们才能把它做好。

I realized that I was worried only after you told me the news.
=Only after you told me the news did I realize that I was worried.只有当你告诉我这个消息后我才意识到我很着急。

You can succeed only by working hard.
=Only by working hard can you succeed.只有努力学习才能成功。

注意：only+主语时不需要倒装。

Only you can do it well.只有你才能把它做好。

Only she’s fit for the job.只有她适合这工作。

Suggested answers:
三、教与学师生互动
Step 1 Lead-in
Ask students to discuss these questions:
1.Which of the following gives you the most energy: banana, a soft drink,
a bar of chocolate?
2.How many meals do you eat every day? Which meal do you think is the most
important? Why?
3.Hoe much water do you drink every day?
4.What kind of snacks do you eat?
Step 2.Reading
I.Fast reading
Read the passage quickly and answer the following questions:
How do people make choices about what to buy and eat?
II.Careful reading
Read the passage carefully and answer the following questions:
1.How are traditional diets?
2.What kinds of nutrients help build our body and make us stronger? Where
can you get them?
3.Some people don’t have good eating habits, Why?
4.Should we buy some supplements to make ourselves stronger, healthier and
more beautiful? Why?
5.What’s the best way to make ourselves feel fine and well?
III.Explanation
Go through the passage and deal with some language points.
Step 3. Conclusion
Retell the passage.
Step 4.Conclusion
Finish the exercises in the workbook
Step 5 Discussion
1.Why do people go to fast food restaurants?
2.Why is it not good for you to eat too much sugar and fat?
3.Why are crash diets and supplements so popular?
4.What can we do to keep a balanced diet?
四、课堂跟踪反馈
I.选择
1.His uncle made a film______ his story in his childhood.
A. based on
B. was based on
C. basing on
D. to base on
2._______do you think_______for the job?
A. Whom, is fit
B. Who, is fit
C. Who, fits
D. Whom, fit
3.He offered ______ me, _______ is nice of him.
A.to help, it
B. to help, as
C. help, which
D. to help, which
2.After I walked so long a journey, I felt ______ tired, so I decided to
stop for a rest.
A. much too
B. too much
C. too many
D. not a bit
rge amounts of flour______needed to make such a large cake. Please go
and buy.
A.is
B. are
C. be
D. was
II.在横线上填上适当的情态动词：
1.-------Are you coming to the party?
-------I ______come, but I’m not sure.
2.I’d like to ask a question if I _______.
3.-----Might I ask you a question?
-----Yes, you _______. What is it?
4.You’d better go for yourself, ______ you?
5.It’s 8 o’clock. Mr. Smith ______ be here at any moment. Homework:
I.Review all the phrases and structures in the passage.
II.Preview the words and expressions in the next period.
Suggested answers:
四、I.ABDAB II. 1. may / might, may 2. may 3. may 4. hadn’t 5. ought to/ should。