文档介绍：Chapter Ten
Stomatology
口腔科
内容提纲
5
Homework
1
Lead-in Activity
2
Preparations
3
Practice
4
Presentation
1
Lead-in Activity— Students’ PPT Presentation
Task: Students’ are required to make a PPT by team work. In the team, one student needs to introduce the PPT in English, one needs to give the corresponding Chinese explanation, and the others have to answer questions from the class.
PPT
How to extract a tooth?
2
Preparations---Video
Task: Watch the following video, discuss with your group members about the process and method for extracting a tooth.
2
Preparations---New words
extract
vt. [iks’trækt] 提取； （费力地）拔出
n. [‘ekstrækt] 汁；提炼物； 浓缩物
. He tried to extract his pole from the mud.
他试图用力将杆子从泥中拔出来。
I would like to quote two extracts from the book.
我很想引用这本书的两段文字。
cavity [‘kæviti] n. 腔，洞； 蛀牙，龋洞
. I have a toothache because there is a cavity
in one of my teeth.
我牙疼，因为我的一颗牙齿上有个洞。
2
Preparations---New words
sterile [‘sterəl] ； 不生育的； 无菌的
. Medical tests showed that he was sterile.
医学检查表明他没有生育能力。
牙科医生给患者拔了几颗牙？
. The farmers turned the sterile land into
high fields.
农民们把不毛之地变成了高产田。
Antonym: fertile 肥沃的
Synonym: infertile 贫瘠的；unfertile 不肥沃的
take out v. 取出，除去； 拔掉
. How many teeth did the dentist take out?
. When you edit the tape you can take out the giggles.
你编辑录音时，可以把咯咯笑的部分删了。(去掉)
. Jessica's grandparents took her out for the day.
杰茜卡的祖父母带她出去玩了一天。（邀请…外出，带出去吃饭）
2
Preparations--- Fast Reading
What’s wrong with the patient’s tooth?
3. What should the patient do after extracting the tooth?
It has a big cavity and the pulp is exposed.
It is too bad to be filled any more. It should be extracted.
2. What diagnosis dose the doctor give?
Bite on the cotton ball for half an hour and don’t suck. Keep from eating and drinking for two hours.
2
Preparations---Dialogue
I. Dialogue: 1 Extracting a Tooth 拔牙
Doctor: Come in, please. What i