A. Useful expressions
1. diet n. sort of food that is usually eaten by a person or a community
The Chinese diet is considered to be the healthiest in the world.
2. change into
They eat different kinds of food which change into energy.
3. measure v. to find the size, length, volume, etc of something by comparing
with the standard unit.
The energy is measured in calories.
4. burn up -- use
While you are at school, or walking home, your body is burning up 100
calories an hour.
5. be rich, high /low, poor in
It is rich in fibre and low in sugar and fat.
Changde is rich in rice and fish.
6. take exercise 锻炼身体
7. put on / lose weight
They put on weight very easily.
8. in the form of 以 … 的形式/方式
Their diet contains a lot of fat in the form of potato crisps, potato chips, butter,
cream and chocolate.
他们的饮食中含有大量的脂肪, 这类含有脂肪的东西有: 炸土豆片，...
They eat a lot of sugar in the form of cakes, soft drinks, sweets and so on.
9. one person in ten
In some parts of Britain, one person in ten, by the age of thirty, has no teeth
left!
10. scores of = very many, a large number of
Scores of people went there in the first few days after its opening.
11. die from/of
As a result, many Westerners die at an early age from heart illness.
12. get/be not good/poor value for money 花钱不合算，划不(得)来，钱用
得不值
be是一种状态，其主语是物。 get是一种动作，其主语是人
"It is not good value for money," one person said.
I got good value for money at that snack bar/cafe counter(快餐店).
13. in future
And I advise you not to eat fruit that isn’t ripe in future.
14. pain
I've got a pain here/in my left leg. *This place/My left leg hurts badly.
B. Sentence patterns:
1. because of + n. 或 doing sth
Because of this, they put on weight very easily.
He didn’t come to school yesterday because of being ill. = *He didn’t come to
school yesterday because he was ill.
2. advise sb (not) to do sth
I advise you not to eat fruit that isn’t ripe in future.
3. had better (not) do sth
You’d better have a good rest.
You’d better not go there alone.
4. suggest that …
I suggest that you drink plenty of water and have a good rest.
5. Why not do …? = Why don’t you do …?