Chọn câu trả lời đúng
10
VI. Read the text 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.
our food.
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.
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. chew
C. make us feel quite ill
3. A lot of people visit the dentist only when
A. their teeth grow properly
C. they have toothache
B. have good eyesight
D. be important
2. When food and germs collect food in a small crack. our teeth
A. become hard
D. but
D. junk food
D. mustn't
D. find
D. playing
B. send poison into the blood
D. begin to decay
B. they have holes in their teeth
D. they have brush their teeth
4. we ought to clean our teeth
A. once a day
C. between meals
5. We shouldn't eat too much
A. red meat
B. fresh fruit
C. fish
D. chocolate
VII. Put the words in the correct order to make correct sentences.
1. I/ do/ every day./ think/ we/ morning exercise/ should
2. You/junk food./so/ much/ eat/ shouldn't
3. How much/ do/ eat/ every week?/ fast food/ you
4. The dentist/me/ to/ told/ brush / teeth/my/ three times/ a day.
5. 1/am/to/ keep my/ health/ doing/ by/ trying/ exercise every day.
B. at least twice a day
D. before breakfast
VI. Read the text 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.
our food.
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.
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. chew
C. make us feel quite ill
3. A lot of people visit the dentist only when
A. their teeth grow properly
C. they have toothache
B. have good eyesight
D. be important
2. When food and germs collect food in a small crack. our teeth
A. become hard
D. but
D. junk food
D. mustn't
D. find
D. playing
B. send poison into the blood
D. begin to decay
B. they have holes in their teeth
D. they have brush their teeth
4. we ought to clean our teeth
A. once a day
C. between meals
5. We shouldn't eat too much
A. red meat
B. fresh fruit
C. fish
D. chocolate
VII. Put the words in the correct order to make correct sentences.
1. I/ do/ every day./ think/ we/ morning exercise/ should
2. You/junk food./so/ much/ eat/ shouldn't
3. How much/ do/ eat/ every week?/ fast food/ you
4. The dentist/me/ to/ told/ brush / teeth/my/ three times/ a day.
5. 1/am/to/ keep my/ health/ doing/ by/ trying/ exercise every day.
B. at least twice a day
D. before breakfast