重大版 高中英语必修1 Unit 6 Healthy Diet知识点 课件（共54张）

课件54张PPT。But in order to stay healthy,adults can get a balanced diet by including several servings daily from the following main groups.
但是为了保持健康，成年人可以每天通过几餐从以下四大类食品中获得均衡的饮食。
(1) stay
1) link-v.维持；保持
He stayed single all his life.
I stayed awake throughout the stormy night.2)暂住，逗留
Let's stay at home this evening.
The doctor asked me to stay in bed.
【辨析】stay, live
stay表“暂时居住” ，live表“长期居住”。
We stayed three nights in Paris.
They have lived in the two-room apartment for ten years . 3)stay up 不睡觉，熬夜
It is the custom with the Chinese to stay up all night on the eve of the Lunar New Year
除夕守夜是中国人的风俗。
(2)get…from…从……获得……
The boy gets some money from his uncle .【归纳】
A.用get构成的常用短语有：
除夕守夜是中国人的风俗。
get sth. back取回某物
get down to +n. 开始认真对待，开始认真考虑
get on/off a bus 上／下车
get out of(a bad habit) 摆脱；改掉（坏习惯）
get over 克服（困难）
get through．（打电话时）打通；办完；花光
get to 到达 get together收集，积累
get up 起床 get along生活；相处；进展B.常与get构成的惯用法有：
get sb. doing/sth.
get sth. going
get sb. to do
get sth. done
get ready to do
get sth. +adj.2. Proteins are very important for building our bodies;they help us to build new cells as old ones die.对于我们身体的生长蛋白质是非常重要的，它们有助于在老细胞死亡的同时造出新细胞。
(1) as
1) conj. 当……之时
As I was walking down the street,a foreigner asked me the way to the station.
2)一边……一边……
He always sings songs as he is taking a bath.3)随着
As she grew older, she became more confident.
【归纳】as，when，while
A.可表示同时发生的事情。
As/When/While I was walking down the street I noticed a police car in front.
B.表延续性动作时最常用的是while。
He took a bath while I was preparing dinner.C.如果表示两个瞬间性动作或事件同时发生, 最常用as或just as也可用when。
Just as he caught the ball there was a tearing sound.
I thought of it just when you opened your mouth.
D.在表“一边……一边……”、“随着”时，最常用as。
She sang as she went along.
E.当某一行为正在进行或马上就要进行时，突然出现了另一行为，用when。常译为“就在那时”，“这时”。 I was doing my homework when he came.
I was (just) about to go out, when the telephone rang.(2) one, ones
one不定代词，代替前面出现过的名词,以避免重复。如替代的名词为复数，则用ones。one(s)前面可用冠词(如a green one, the one in the corner) ，若没有形容词，a/an就不与one连用。
I don't have a pen. Could you lend me one?
I didn't buy a calculator in the shop, for they only had expensive ones.
I'd like a big one with cream on. /I'd like one with cream on.【辨析】one(s)，the one(s)
one代替的是一个带不定冠词的可数名词，the one代替的则是一个带定冠词的可数名词。
The best job is one which uses your skills in doing something.
Don't tie it to that branch. Tie it to the one on the right.
This book is one(=a book) that is needed by every student of English.
这本书是每一个学习英语的人所需要的一本书。 This book is the one(=the book) that is needed by every student of English.
这本书就是每一个学习英语的人所需要的那本书。
【练习】
He has one blue pen and he needs a red ___
A. one B. once C. one’s D. ones
--Which jackets are yours?
--Let me see. ______in the hall closet.
A. What B. They are
C. The jackets D. The onesMr. Zhang gave the textbooks to all the pupils except___who had already taken them.
这本书就是每一个学习英语的人所需要的那本书。
A. the ones B. ones
C. some D. the others3. Carbohydrates are important to enable us to store energy--they provide fuel for the body.碳水化合物在我们身体储存能量方面至关重要，它们为我们的身体提供燃料。
(1) enable sb. to do... 促使……能做……
The coffee enabled me to keep awake during the exam.
Money from her aunt enabled Jane to buy the house.
(2)provide sb. with sth./provide sth. for sb. 提供
They provided food and clothes for the poor children. They provided the poor children with food and clothes.【辨析】provide that规定，provided/providing( that) 如果，只要（provided比providing用得更普遍些）
The agreement provides that the two sides shall meet once a month.
We’ll visit Europe next year, provided (providing) that we have the money.
You may go out providing ( that) you do your homework first.【练习】
① We’ll go to Paris for our holiday______it isn’ t too expensive.
A. except B. provided C. so far as D. unless
② You can borrow my tape-recorder____ your return
it to me tomorrow.
A. unless B. as soon as
C.until D. provided that 4. Fish,vegetables and milk contain most of the minerals we need.
我们所需的大部分矿物质都富含于鱼、蔬菜和牛奶中。
(1) contain vt./vi.包含……（在内）；包括……；能容纳
The jar contains sugar. （装有）
This book contains a lot of illustrations. （包含）
How much does this bottle contain? （能容纳）
【注意】contain不可用于进行式。类似的动词还有：have（有），like等。(2) most of..．大多数；大部分
Most of my friends are over thirty.
He used to spend most of his time in the library.
【辨析】most, most of
在most+名词结构中，名词是不定的，因此不能说most the students，most my students。在most
of+名词结构中，名词是定指的，它必定带有定冠词或物主代词等限定词。Most doctors don't smoke. /Most wine in this shop is imported.
She has read most of my books.
【归纳】类似的短语有：
some/most of us/them/you many of us/the +n
much/little of the+不可数名词【练习】
① -I like your furniture very much.
-Thank you. We bought_____in Denmark.
A. the most of them B. most of them
C. the more of it D. most of it
② _____Germans like to drink beer.
A. The most B. Most
C. Most of D. Most of the③ Most of _____boys in our class are interested in___biology.
A. /; / B. the; / C. /; the D. the; the
② _____foreign friends like to visit the Summer Palace in Beijing .
A. Most B.The most C.Mostly D.Most of5. Nutritional value depemts on what types of food you eat, not when you eat them. 营养价值取决于你吃什么类型的食物，而不是取决于你什么时候吃。
(1) value
1)n．价值；重要性
Such a magazine has little value except when you have time to kill.
We must realize the value of humor.
2)vt．评价；珍视
How do you value him as a writer?
I value your friendship very highly.
3) of value有价值的
This dictionary is of great value to students.【归纳】类似的用法有：
(be) of interest=(be) interesting
(be) of importance=(be) important
(be) of use=(be) useful
(be) of help=(be) helpful(2) depend on...依赖；依靠；取决于……
1) depend on+n．依赖，依靠
You can't depend on your parents forever.
He depended on his uncle for his school fees after his father's death.
2)depend on sb. to do sth. 指望某人做某事
You can't depend on him to be on time.
We can depend on him to help us out.
3)取决于……
Our success depends on whether everyone works hard or not.
Success depends on our efforts.
Carrying out our plan depends on when that sum of money will come to us.6. Eating nhard-boiled egg or an orange as a snack can contribute to a well-balanced diet.
作为零食，吃一个煮鸡蛋或橘子都有利于均衡饮
(1) as
1) prep.作为；以……资格
As your mother, I'Il decide.
He wants me to go with him as his secretary.
2) conj.如；像
Do as Romans do. （谚）人乡随俗。
Please try to write as I do.【辨析】as表“如；像”时是conj.，而like表“如；像”时是prep.。但在非正式英语中，有时也把like看作conj.。
Sam works like a bee. ( prep. )
Like every other student, Sara had difficulty with tenses. (prep. )
I can't sing like I used to. ( conj. )
Please try to write like I do. ( conj. )( 2 ) contribute to...
1)把……捐助给……（contribute为vt．）
He contributed a lot of money to the school.
2)有助于……（contribute为vi.）
A proper amount of exercise contributes to good health.7.It's widely believed that extra vitamins provide more energy.
人们普遍相信额外的维生素会提供更多能量。
【归纳】类似的结构有：．
It is said that...据说
It is said that he will go abroad to study.
It is expected that... 一般预料
It is expected that John will be back by ten.
It is thought that... 一般认为
It is thought that cancer is incurable.
It is reported that... 据报道
It is reported that the car accident took place sometime yesterday.
It is known that... 众所周知
It is known that infants don't know right from wrong.8. But taking more than what the body needs doesn‘t make it fun_ction better just like overfilling your
gas tank won’t make your car run better.
但如果超过身体所需，不会使身体更健康，因为就像给汽车油箱超额加油，并不会使你的车行驶得更好。
(1) taking more than the body needs为动名词词组作主语，代词it代替body, for引出从句表原因。 (2)在more than+从句结构中，more是much的比较级，引导一个状语从句，意思为“比……多”。
Mum, it’s unfair. She’s got more than I have.
【扩展】more than还可表“不只”，“不仅仅”。有时具有否定意义，可译作“并非；不是”。
We must consider more than the beginning of the motion.(不只，不仅仅)
Peace is much more than the absence of war.(不仅仅) A library is more than just a place where books are stored.
The noise is more than I could bear. （不是）
(3) fun_ction
1)n．作用
Some people don't realize the fun_ction of education.
2)vi．起作用
This machine is not functioning properly.(4) for
1) conj.因为=because
She's gone for a walk, for/because the rain has stopped.
She was angry, for she didn't know French.
2) prep.（表时间，距离）在……期间
We walked (for) two hours.
I studied( for) three years in California. (4) for
1) conj.因为=because
She's gone for a walk, for/because the rain has stopped.
She was angry, for she didn't know French.
2) prep.（表时间，距离）在……期间
We walked (for) two hours.
I studied( for) three years in California. 【注意】for在句中常省略，但在句首及否定句中不能省略。
For several years she lived apart from her parents.
We didn't see any house for miles.【练习】
①someone must have left the tap on,______ the water was still running.
A. therefore B. for C. however D. moreover
②We waited ____ for the bus.
A. for long time B.a long time C.some long time9.Proper weight alone doesn’t show whetherndiet is lacking in vitamins and minerals.
仅仅适当的体重并不能说明饮食中是否缺乏维生素和矿物质。
lack
1)n．缺乏
The project failed due to lack of money.
2)vt．缺乏
He lacks common sense.10.The scales make no distinction between the similar numbers of calories of a can of soda and two
eggs. 磅秤显示不出热量相等的一罐汽水和两个鸡蛋间的差别。
(1) distinction n．区别
1) make a/no distinction between...
Can you make a distinction between these two points of view?
The school makes no distinction between male students and female students.2)distinct adj.不同的 = different
Donkeys and horses are distinct animals.
3) distinguish v．区分
I couldn't distinguish( between) the twin brothers.(2)a can of soda 一罐汽水
【归纳】类似的用法有：
two cans of tomato juice 两罐西红柿汁
a bottle of water 一瓶水
a piece/slice of cake/bread 一块蛋糕／面包
a piece/slip of paper 一张纸
a (large) sum of money 一笔钱
a herd of cattle一群牛 a tube of toothpaste 一管牙膏
a pair of trousers 一条裤子
a cake of soap 一块肥皂11.If you cut out starchy foods, such as peas, potatoes, bread,and rice, you cut out very good sources of several vitamins,such as Vitamin B and Vitamin C, and other nutrition.
如果你减少淀粉类食物，如豌豆、土豆、面包以及米饭，你的食物中就少了好几种维生素，如维生素B、维生素C以及其他营养的好来源。
(1) cut out
1)停止
My father cut out alcohol on the doctor's advice.
2)剪下，从……剪下一块
He used to cut out an article from a newspaper.
3)删除
The editor cut out the first two chapters.
4)计划，安排
This task is cut out for the next week.【辨析】
cut down把……砍例；缩减 cut in插嘴
cut off砍掉；切断
The apple tree was dead, so he cut it down. （砍倒）
The car industry cut down production. （缩减）
The'moment I began to speak, he cut in. （插嘴）
Take care not to cut off the branches. （砍掉）
The floods have cut our supplies. （切断）(2) food，foods食物
物质名词属不可数名词，一般总是用作单数，如：food，paper，water, tea, coffee, fruit等。但当需要强调不同的种类时，有些物质名词就需要采用其复数形式，如：foods, wines, teas, coffees，fruits等。
Too many sweet foods may increase your weight.
This dish is made from four different fruits.(3) such as/such... as例如；诸如……此类的；像……这样的
He can speak several foreign languages, such as French, Japanese and Russian.
Such people as him shouldn't be allowed in here.
【注意】
such as, such... as+从句结构中, as是关系代词，as可作主语、宾语或表语；such…that...中, that是连词，引出结果状语从句，that有时可省略。
We had hoped to give a chance such as nobody else ever had.
They had such grapes as were never seen.
He is not such a fool as he looks.
But it' s such an important match, we can miss it.
He spoke for such a long time that people began to fall asleep.【练习】
①Keep away from such things_____will do you harm.
A. as B. that C. to which D. which
② It is such a difficult problem_____nobody can work out.
A. that B. as
C. so that D. which③It is_____day that I'd like to go on a picnic.
A. a such lovely B. such lovely a
C. so lovely D. such a lovely12.The simple truth is that you have to either eat fewer calories or use up more in order to lose weight.
事实上，要减肥你就必须要么少摄人热量，要么多消耗热量。
(1) that you have to... lose weight在句中作表语，称为表语从句，其中that为从属连词。在口语中，连词that常省略。此外，wh-词也常常引导表语从句。
The truth is( that) he was very shy.
The problem is where we can find a same one.
(2) use up用尽；用光
He has used up all his money.(3)in order to/so as to/to do sth． 为了……（表目的）
In order to make money they did anything.
I left home at seven so as to/in order to/ to be
there on time.
I worked hard in order for my son to go to hospital. (4) weight
1)n.重量
What is the weight of this gold coin?
It is fifty grams in weight.
Apples are sold by weight.
gain/increase/put on weight 增重；lose weight 减重
You' ve gained/increased/put on/lost weight, haven't you? 2) weigh vt./vi. 称……；称重；重
The man weighed the fish by hand.
How much does it weigh?
It weighs 6 pounds.