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plane as a t_________________ centre. harity ravels roblems ured perations elp rateful eaching / training They teach l_______ doctors and nurses new s________ and k__________. They even can learn on v________. Then they can help m_____ people in their a_____. My uncle is an ORBIS d_______. He w_______ on a plane. He always f______ around the world, m_______ in poor countries. He operates on a lot of p_________. He also t________ some local doctors and nurses. His work is h______, but he is p______ that he can help s____ many people . ocal kills nowledge ideo ore reas octor orks lies ostly atients eaches ard roud o blind (adj.) , blindness (n.) tell us something about ________. should do something to help _____ people . blindness blind Let’s learn together : most (adj.) , mostly (adv.) There are many people at the theatre. ______of them are students . They are _________ students . Most mostly Do all the people have enough money for medical treatment ? No, many people do not have the money for medical treatment . = = Many people cannot afford the medical treatment . Many people cannot afford to pay for the medical treatment . afford sth. / afford to do sth. 我們買不起那臺電腦 .(2種 ) We cannot afford the puter . We cannot afford to buy the puter . What are the doctors doing ? They are operating on the patient. They are performing an operation. They are doing an operation. doctors and nurses e to their plane to learn about eye ____________(operate). used to do two or three ___________(operate) a day . is busy __________(operate) on the sick man . the plane, volunteer doctors perform ____________(operate). operations operations operating operations What is the