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Teaching plan:
Step1 Checking
Fill in the blanks according to the content of the interview .
something about blindness:
Blindness affects about _______around the world, mostly in _____ countries.
the work of ORBIS:
ORBIS uses a flying eye hospital to visit poor countries. On the plane, volunteer doctors____________. Local doctors and nurses can come to the plane to _________. We teach them _________.
Dr Ma’s work and his feeling:
The development of medicine:
Step2 Lead—in
Write down some of their answers on the Bb and ask :
Do you have some problems with them?
Step3 Learning
1. 80 per cent of these cases can be prevented or cured.
2. The plane is used as a training centre.
be used as be used to do
be used for doing be used to doing sth.
3. Many of our patients can’t afford to go to hospitals, so we have to go to them.句中的afford意思是 “买得起;
(有时间)做” 通常与can, could, be able to连用，多用于否定句和疑问句.
afford sth. afford to do sth.
4. Also, local doctors and nurses are invited on board to learn about eye operations.
on board 在飞机（船、火车）上
5. By training them, we hope to help more people.
句中的by是介词，意思是“通过某种方法、手段”，后接名词或者动词-ing形式。
Step4 Practice
Translate some phrases.
1. 全球约两亿八千五百万人
2. 这些案例中的百分之八十
3. 有钱医治 4. 一架飞行的眼科医院
5在飞机上 6. 志愿者医生