人教版必修三unit 2 Healthy eatingWarming up（共28张PPT）

(共28张PPT)
Unit 2
1.He is at home.
2.He must be at home.
3.He should be at home.
4.He ought to be at home.
5.He may be at home.
6.He might be at home.
7.He couldn't be at home.
8.He can't be at home.
9.He isn't be at home.
1.事实
1.事实
2.猜测(非常肯定)
3.常理推测(很可能)
4.很可能
5.仅仅可能而已
6.或许，非常不确定
7.很可能不在
8.一定不在
9.事实
Thinking
1.It's strange that he ________ have taken the books without the owner's permission.
2.You _______ be Carol. You haven't changed a bit after all these years.
3.Frank failed the job interview again. He ________________
(make) full preparations.
4.We _____________ finish it ahead of time, though it was such a tough task.
5.Harry is feeling much too uncomfortable.
He _______________(drink) too much at the party last night.
6.People ________ die without water or air.
7.The sign there reads, “No person ______ smoke here.”
Daily Check
should
must
should have made
were able to
must have drunk
will
shall
8.It was so noisy that we ________ hear ourselves speak.
9.In today's information age, the loss of data ________ cause
serious problems for a comany.
10.---What time is it?
---I have no idea. But just a minute, I _____ check it for you.
11._______ you be young and beautiful forever!
12.---Need I go there with you?
---Yes, you ________________. No,you _________.
13.---Must I finish the job tomorrow?
---No, you _______________________.Yes,you _________
14.She ran fast but she ____________________catch the bus.
couldn't
can
will
May
must/have to
couldn't / wasn't able to
needn't / don't have to
needn't
must
Modal Verbs
可能性：
必要性：
能力：
许可：
请求：
建议：
习惯：
猜测：

责备：
can/could may/might
must,will,should
can/could be able to
can/could may/might
can/could will/would
shall/should
will/would
must>may/might(肯) can (否/疑)
should(n't) / ought(n't)to
could
needn't
+have done
1.must 还译为“偏要,硬要”
2.was/were able to
过去成功做成某事
3.may 表示祝愿
5.shall(二/三人称)表允诺,威胁,警告,命令
6.would 现在/过去常常做某事
should ?按常理推测 ?竟然(用于虚拟)
本应该做某事，实际上没有做
本能够做某事，而实际上没有做
本没必要做某事，而实际上做了
4.could/would 表委婉请求
+do/be...(现)
+be doing (现在进)
+have done （过去)
1.Harry _______ have won the Physics competition easily yesterday, but he gave up.
2.I didn’t hear the phone. I _________________(be) asleep.
3. There’s no light on — they _______ be at home.
4.---May I smoke here?
? ---If you ________, choose a seat in the smoking section.
5.“The interest _______ be divided into five parts, according
to the agreement made by both sides,” declared the judge.
6. Why don’t you try on this dress? It (will/can) ________ look nice on you.
7. It’s a long time since we met last time. You(might/should)
__________ see us more often.
8. He was taken away by the police.
He _________________________ (mistake) for a robber.
Daily Check
could
must have been
can’t?
must
shall
will
should
must have been mistaken
9 ---Did you visit the famous museum?
---No, we __________________(visit) , but we spent too much time shopping.
10.Don't throw the bottles away. They _________________ (need) in the future.
11. ---Why ____ it rain now? I ____ go to the concert at 7.
---What a pity!
A. can, might not B. should, needn't?? C. must, can't?? D. need, mustn't
12. Looking at my determined face, the big boy ______ pick up the fight.
A. dares not?? ? B. dare not?????? C. doesn't dare?????D. dares not to
13.Jack, you ___ play with the knife; you _____ hurt yourself.
A. won’t; can’t? B. mustn’t; may??? C. shouldn’t; must ? D. can’t; should
could have visited?
might be needed
C
B
B
Unit 2
Healthy Eating
Warming up
What are the three essential elements for us human beings to survive on the earth?


water
air
food
1. Bread is the staff of life.
民以食为天。
2. You are what you eat.
吃什么食物变什么样。
3. An apple a day keeps the doctor
away.
一天一苹果，疾病远离我。
Here are some proverbs about food:
Do you know the English name of these food?
cucumber
eggplant
pepper
mushroom
peach
lemon
bean
pea
nut
mutton
fried potatoes
roast pork
mutton kebabs
How much do you know about food? Now do a survey.
1. Which food gives us energy the most rapidly?
A. cereal (谷物) B. meat
C. fruit and vegetable
2. Which food helps to build our bodies?
A. cereal B. meat C. fruit and vegetable
3. Which of the following is the most fattening?
A. brown bread B. boiled potato
C. salted peanut(咸味花生)
4. Which of the following can we get a lot of vitamins from?
A. cereal B. meat C. fruit and vegetable
5. People damage their health by eating too much ________.
A. cereal B. fatty food C. vegetables
6. Which of the following might be dangerous to our health?
A. salt B. tea C. milk
7. Vitamin C is good for you because it ______.
A. makes your hair grow
B. helps to fight colds
C. helps you to see in the dark
A healthy life is better than a wealthy life.
Everybody has to eat, but do you eat a healthy diet? Do you know that the food you eat helps you grow in different ways?
Food that provides energy
(energy-giving food)
Do you know that the food you eat helps you grow in different ways?

Food that helps grow bones and muscles
(body-building food)
Food that helps the body fight diseases
(protective foods):
noodles
rice
bread
potatoes
spaghetti
butter
Energy-giving Food
They are rich in starch (淀粉), ____ and _____. It provides us with _______.
fat
sugar
energy
meat
tofu
egg
milk
Body-building Food
They are rich in ________. It helps grow ______ and _______.
protein
bones
muscles
most vegetables
most fruit
Protective Food
They are rich in ______ and ________. It helps our body ____________.
fibre
vitamins
fight diseases
A healthy diet 健康膳食
energy-giving food能量食物
protective
food
保健食品　
+
+
body-building
food
健身食品　
Food that provides energy
Food that helps grow bones and muscles
Food that helps the body fight diseases




a little
some
plenty of
a lot of
fat, sugar
and oil
meat,milk
and eggs
fresh fruit and
vegetables
rice, bread, nuts and chocolate




Our bodies need ______ fat and sugar.
a little
Our bodies need _____ body-building food.
some
Our bodies need
________ protective food.
Our bodies need
_______ energy-giving food.
plenty of
a lot of
What we need?
food pyramid
1. Do you know what is healthy diet?
Healthy diet: a diet that is balanced and neither too rich in fat, sugar and salt nor too poor and lacking in essential nutrients.
2. Which one is healthier, the Chinese
food or Western food?
Western food: too much fat (meat, potato chips, cream, chocolate…) , too much sugar (cakes, soft drinks, sweets)
Chinese food: the healthier diet, green vegetables, low in sugar and rich in nutrients.
3.What will happen if you don’t have a balanced diet?
Free talk
How can we keep healthy both physically and mentally ?
1.regular exercise
2.a balanced diet
3. a good state of mind
a positive attitude to life
Homework
概要写作的总体注意事项
完整、清晰表达原文的主要内容，不能遗漏主要内容；
2. 尽可能遵循原文的逻辑顺序，不要随意打乱原文顺序；
3. 尽量使用自己的语言，不要只是用原文中的词句堆砌；
4. 各要点之间要有适当的衔接；
5. 各要点的表达要相对独立。