WELLCOME TO OUR SCHOOL
CLASS 9A1
GAME
1. A SICK SOME CHILREN GET
2. IT HAS 9 LETTERS, BEGIN WITH LETTER “T”.
UNIT 10: HEALTH AND HYGIENE
A BAD TOOTHACHE
B3 + B4
Who is he?
He is Minh
2. Who is he talking to?
He is talking to Hoa.
3. What’s the matter with Minh?
He has a toothache.
4. Where is he going to ?
He is going to the dentist.
Minh is sitting in Dr Lai’surgery. Dr Lai is checking his teeth.
New words
Surgery (n)
Check (v)
Cavity (n)

Minh is sitting in Dr Lai’surgery. Dr Lai is checking his teeth. Dr Lai is kind. She smiles at Minh and says, “Don’t worry, Minh. You have one small cavity, but it isn’t serious. Your others are fine.”
Minh is very happy. Dr Lai fills the cavity in Minh’s tooth. She finishes in less than 10 minutes. Minh is very pleased. Then Dr Lai sits down and talk to Minh again.
“ How often do you brush your teeth, Minh?” she asks. Minh looks worried again.
“ Oh, I . . .Well, sometimes I forget to brush my teeth.”
“ Try not to forget,” Dr Lai says. “ Brushing your teeth is very important. Cleen teeth are healthy teeth!”
LISTEN AND READ
Now complete the story

Minh is very . . . . . . . . . . . . and Dr Lai notices this. She . . . . . . . . . . . at Minh and tells him not to worry. She explains one of his teeth has a . . . . . . . . . . . . . . He has to . . . . . . . . . . . .them regularly. After Dr Lai fills his tooth, Minh leasves. He is very . . . . . . . . . . . . . . . . .
nervous
smiles
brush
cavity
pleased
EXERCISE
GRAMMAR:
Minh has a bad toothache. He is going to a dentist.
Why does Minh go to the dentist?
Because he has a bad toothache.
Question word
Why: ask for reason
Answer: Because
Ex: Minh’s tooth hurts.
Why?
Because he has a cavity
EXERCISE
Tell some ways to take
care of your teeth.
Brush teeth after meals.
Use a good toothbrush.
Use good toothpaste.
Go to a dentist when having a toothache.
Do not eat much candy or cake.
Do not use an old toothbrush.
HOMEWORK
Read the passage again at home.
Write sentences to take care of your teeth.
Prepare Unit 11 (A1).
- New words.
- Read and listen.
- Number the sentences.
b. Nevous
See/dentist
Minh looks nervous.
Why?
Because he is seeing a dentist.
c. cavity/not serious
small
The cavity isn’t serious.
Why?
Because it’s very small.
d. Happy
Teeth/OK
Minh looks happy.
Why?
Because his teeth are OK.