----- Nội dung dịch tự động từ ảnh -----
and choose the correct answer.
KEEPING OUR TEETH HEALTHY
It's very important to have healthy teeth. Good teeth help us chew our food. They also help us look
nice. How does a tooth go bad? The decay begins in a little crack in the enamel covering of the tooth. This
happens after germs and bit of food have collected there. Then the decay slowly spreads inside to the tooth.
Eventually, poison goes into the blood, and we may feel quite ill.
How can we keep our teeth healthy? First, we ought to visit the dentist twice a year. He can fill the
small holes in our teeth before they destroy the teeth. He can examine our teeth to check that they are
growing in the right way.
Secondly, we should brush our teeth with a toothbrush and fluoride toothpaste at least twice a day
once after the breakfast and once before we go to bed. We can also use wooden toothpicks to clean between
our teeth after a meal.
our food.
B. have good eyesight
2. When food and germs collect food in a small crack, our teeth_
A. become hard
Thirdly, we should eat food that is good for our teeth and our body: milk, cheese, fish, brown bread,
potatoes, red rice, raw vegetables, and fresh fruits. Chocolates, sweets, biscuits and cakes are bad, especially
when we eat them between meals. They are harmful because they stick to our teeth and cause decay.
1. Good teeth help us_
A. be nice
C. begin to decay
3. A lot of people visit the dentist only when_
A. their teeth grow properly
C. they have toothache
4. we ought to clean our teeth_
A. once a day
5. We shouldn't eat too much
A. red meat
B. at least twice a day
we feel (10)
B. fresh fruit
C. chew D. be important
C. fish
B. send poison into the blood
D. make us feel quite ill
C. between meals
and weak.
B. they have holes in their teeth
D. they have brush their teeth
D. before breakfast
D. chocolate